basecamp.com B

24 hours
100.00%
7 days
100.00%
30 days
100.00%
IPv4 / IPv6
4 0
SSL Certificate
48d
Security Headers
1/6
Status Badges

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Badge Markdown HTML
Status [![Status](https://updown.website/badge/basecamp.com/status.svg)](https://updown.website/site/basecamp.com/) <a href="https://updown.website/site/basecamp.com/"><img src="https://updown.website/badge/basecamp.com/status.svg" alt="Status"></a>
Uptime [![Uptime](https://updown.website/badge/basecamp.com/uptime.svg)](https://updown.website/site/basecamp.com/) <a href="https://updown.website/site/basecamp.com/"><img src="https://updown.website/badge/basecamp.com/uptime.svg" alt="Uptime"></a>
Response Time [![Response Time](https://updown.website/badge/basecamp.com/response-time.svg)](https://updown.website/site/basecamp.com/) <a href="https://updown.website/site/basecamp.com/"><img src="https://updown.website/badge/basecamp.com/response-time.svg" alt="Response Time"></a>
SSL [![SSL](https://updown.website/badge/basecamp.com/ssl.svg)](https://updown.website/site/basecamp.com/) <a href="https://updown.website/site/basecamp.com/"><img src="https://updown.website/badge/basecamp.com/ssl.svg" alt="SSL"></a>
Performance [![Performance](https://updown.website/badge/basecamp.com/cwv.svg)](https://updown.website/site/basecamp.com/) <a href="https://updown.website/site/basecamp.com/"><img src="https://updown.website/badge/basecamp.com/cwv.svg" alt="Performance"></a>
Accessibility [![Accessibility](https://updown.website/badge/basecamp.com/cwv.svg?category=accessibility)](https://updown.website/site/basecamp.com/) <a href="https://updown.website/site/basecamp.com/"><img src="https://updown.website/badge/basecamp.com/cwv.svg?category=accessibility" alt="Accessibility"></a>
SEO [![SEO](https://updown.website/badge/basecamp.com/cwv.svg?category=seo)](https://updown.website/site/basecamp.com/) <a href="https://updown.website/site/basecamp.com/"><img src="https://updown.website/badge/basecamp.com/cwv.svg?category=seo" alt="SEO"></a>
Security Headers [![Security Headers](https://updown.website/badge/basecamp.com/security-headers.svg)](https://updown.website/site/basecamp.com/) <a href="https://updown.website/site/basecamp.com/"><img src="https://updown.website/badge/basecamp.com/security-headers.svg" alt="Security Headers"></a>
Uptime 24h [![Uptime 24h](https://updown.website/badge/basecamp.com/uptime.svg?period=24h)](https://updown.website/site/basecamp.com/) <a href="https://updown.website/site/basecamp.com/"><img src="https://updown.website/badge/basecamp.com/uptime.svg?period=24h" alt="Uptime 24h"></a>
Incidents [![Incidents](https://updown.website/badge/basecamp.com/incidents.svg)](https://updown.website/site/basecamp.com/) <a href="https://updown.website/site/basecamp.com/"><img src="https://updown.website/badge/basecamp.com/incidents.svg" alt="Incidents"></a>
IPv4/IPv6 [![IPv4/IPv6](https://updown.website/badge/basecamp.com/ipv46.svg)](https://updown.website/site/basecamp.com/) <a href="https://updown.website/site/basecamp.com/"><img src="https://updown.website/badge/basecamp.com/ipv46.svg" alt="IPv4/IPv6"></a>
Site Health (24 h)
HTTP Response DNS Lookup Ping Up Down Reports Incident
Monitoring
Recent HTTP Checks (24 h)
Total Checks
9
Success Rate
100%
Avg Response
2427 ms
Min / Max
123 / 8170 ms
Recent Checks
15:06 11:49
Time Status Code Response Agent Error
11:49:02 UP 200 498 ms prod-local
09:11:29 UP 200 303 ms prod-local
06:46:12 UP 200 123 ms prod-local
04:47:14 UP 200 526 ms prod-local
01:50:49 UP 200 516 ms prod-local
23:47:54 UP 200 5177 ms prod-local
19:23:32 UP 200 8170 ms prod-local
16:58:35 UP 200 5447 ms prod-local
15:06:42 UP 200 1084 ms prod-local
Incident History

No incidents recorded — all clear!

Community
0
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Mail Server (SMTP) Checks
3 checked
Status MX Host Port IP EHLO STARTTLS TLS Works TLS Ver Open Relay Auth Reverse DNS Banner Latency Checked
mx2.basecamp.com 25 204.62.115.211 10007.7 ms 16 hours, 15 minutes ago
mx2.basecamp.com 465 204.62.115.211 10002.7 ms 16 hours, 15 minutes ago
mx2.basecamp.com 587 204.62.115.211 10002.7 ms 16 hours, 15 minutes ago
Service Checks (Banner Grab)
9 up 3 down
Status Port Service Version IP Banner Latency Checked
80 http cloudflare 104.18.14.58 HTTP/1.1 301 Moved Permanently Date: Wed, 22 Apr 2026 04:54:13 GMT Connection… 2.7 ms 7 hours ago
443 https 104.18.14.58 505.4 ms 7 hours ago
2082 cpanel 104.18.14.58 2004.4 ms 7 hours ago
2083 cpanel-ssl 104.18.14.58 2004.4 ms 7 hours ago
2086 whm 104.18.14.58 2004.3 ms 7 hours ago
2087 whm-ssl 104.18.14.58 2004.4 ms 7 hours ago
8080 http cloudflare 104.18.14.58 HTTP/1.1 301 Moved Permanently Date: Wed, 22 Apr 2026 04:54:15 GMT Connection… 3.4 ms 7 hours ago
8443 https-alt 104.18.14.58 504.0 ms 7 hours ago
8880 cddbp-alt 104.18.14.58 2004.0 ms 7 hours ago
Security
SSL / TLS Certificate
48
days left
Valid
Mar 12, 2026 Jun 10, 2026
Issued → Expires
Subject commonName=basecamp.com
Issuer countryName=US, organizationName=Google Trust Services, commonName=WE1
Valid From 2026-03-12 00:25
Expires 2026-06-10 01:25
Serial Number 8260DE2FD623130713118CA39B3283B3
SHA-256 Fingerprint a3:dc:ed:f1:28:3e:71:1c:9e:18:63:44:f4:48:02:c2:51:c7:2a:b5:0e:c0:3c:ea:5f:74:d0:40:43:f6:62:87
Subject Alt Names basecamp.com *.basecamp.com
Last Checked 2026-04-22 11:49:02
Latest HTTP Response Details
Final URL https://basecamp.com/
Status Code 200
Response Time 498 ms
Content Size 67 KB (66.8 KB)
Content Type text/html
Server cloudflare
TLS Version TLSv1.3
TLS Cipher TLS_AES_256_GCM_SHA384
Redirects 0
Checked 2026-04-22 11:49:02
Security Headers 1/6
Header Status Value
Strict-Transport-Security Missing
Content-Security-Policy Missing
X-Frame-Options Present SAMEORIGIN
X-Content-Type-Options Missing
Referrer-Policy Missing
Permissions-Policy Missing
Email Security Posture
MX Records
SPF
Details v=spf1 include:_spf.basecamp.com include:servers.mcsv.net -all
DMARC
Details v=DMARC1; p=quarantine; adkim=r; aspf=r; ri=3600; sp=quarantine; fo=1;
BIMI
MTA-STS
Strong
Overall
DNS & Network
DNS Intelligence (24h)
Avg Resolution
8.0 ms
Min / Max
3.0 / 27.1 ms
Record Types
6
Lookups (24h)
63
DNS Records
A
104.18.14.58 104.18.15.58
297s 5.4ms
MX
10 mx1.basecamp.com
10 mx2.basecamp.com
3600s 8.8ms
NS
seamus.ns.cloudflare.com tina.ns.cloudflare.com
80928s 4.1ms
TXT
SPF (1)
v=spf1 include:_spf.basecamp.com include:servers.mcsv.net -all
Domain Verification (5)
google-site-verification=w-WUrrtkx2vDc--zrb0hxs4rDolhvqkW1Fj-muAr-YM
atlassian-domain-verification=jDcnbDUp4Eqr8vcG6rwzJC/AiL4ryyQCoTDiAKj… atlassian-domain-verification=jDcnbDUp4Eqr8vcG6rwzJC/AiL4ryyQCoTDiAKjKnP7rzlvnA4akV4QxvGnUaMS8
1password-site-verification=KFPOHERRZBGW7L3YPQHGBWHYGA
ZOOM_verify_m3iG61YFQ6WjpVxQFErO5w
google-site-verification=hpEwalR-8wi_nPf7uplZO5rjptEVj6gENHyy58ULIz4
TXT Record (1)
MS=3DB9BFF0E232F4C87086BE490FC2D6A8337B46C8
299s 7.3ms
SOA
Primary NS
seamus.ns.cloudflare.com
Admin
dns@cloudflare.com
Serial: 2401921730 Refresh: 2h Retry: 40m Expire: 7d Min TTL: 1m
60s 4.1ms
CAA
Flag Tag Value
0 issue letsencrypt.org
0 issue ssl.com
0 issue amazon.com
0 iodef mailto:sysadmins@37signals.com
0 issue comodoca.com
0 issue pki.goog; cansignhttpexchanges=yes
0 issuewild pki.goog; cansignhttpexchanges=yes
0 issuewild comodoca.com
0 issuewild letsencrypt.org
0 issuewild digicert.com; cansignhttpexchanges=yes
0 issue digicert.com; cansignhttpexchanges=yes
0 issuewild ssl.com
59s 11.7ms
DNS Propagation Consistent
Resolver IPs Returned Response Time Status
Quad9 104.18.14.58 104.18.15.58 2.62ms
Google 104.18.14.58 104.18.15.58 17.43ms
AdGuard 104.18.14.58 104.18.15.58 19.06ms
OpenDNS 104.18.14.58 104.18.15.58 1.42ms
Cloudflare 104.18.14.58 104.18.15.58 3.56ms
WHOIS / Domain Registration
Registrar
Cloudflare, Inc.
Registrant Organization
DATA REDACTED
Created
1994-07-30
Updated
2025-04-30
Expires
2026-07-29
Name Servers (WHOIS)
seamus.ns.cloudflare.com tina.ns.cloudflare.com
Domain Status
clientDeleteProhibited clientTransferProhibited clientUpdateProhibited serverDeleteProhibited serverTransferProhibited serverUpdateProhibited
DNSSEC
Unsigned
Country
US
WHOIS Last Checked
2026-04-21 19:23
Resolution Time (A/AAAA recent)
01:50 11:49
Time Type Values TTL Resolution Nameserver
11:49:01 CAA 0 issue "letsencrypt.org" 0 issue "ssl.com" 0 issue "amazon.com" 0 iodef "mailto:sysadmins@37signals.com" 0 issue "comodoca.com" 0 issue "pki.goog; cansignhttpexchanges=yes" 0 issuewild "pki.goog; cansignhttpexchanges=yes" 0 issuewild "comodoca.com" 0 issuewild "letsencrypt.org" 0 issuewild "digicert.com; cansignhttpexchanges=yes" 0 issue "digicert.com; cansignhttpexchanges=yes" 0 issuewild "ssl.com" 59s 11.7 ms 10.89.0.1
11:49:01 SOA seamus.ns.cloudflare.com dns.cloudflare.com 2401921730 10000 2400 604800 60 60s 4.1 ms 10.89.0.1
11:49:01 TXT
7 records google-site-verification=w-WUrrtkx2vDc--zrb0hxs4r…
google-site-verification=w-WUrrtkx2vDc--zrb0hxs4rDolhvqkW1Fj-muAr-YM v=spf1 include:_spf.basecamp.com include:servers.mcsv.net -all atlassian-domain-verification=jDcnbDUp4Eqr8vcG6rwzJC/AiL4ryyQCoTDiAKjKnP7rzlvnA4akV4QxvGnUaMS8 1password-site-verification=KFPOHERRZBGW7L3YPQHGBWHYGA ZOOM_verify_m3iG61YFQ6WjpVxQFErO5w MS=3DB9BFF0E232F4C87086BE490FC2D6A8337B46C8 google-site-verification=hpEwalR-8wi_nPf7uplZO5rjptEVj6gENHyy58ULIz4
299s 7.3 ms 10.89.0.1
11:49:01 NS seamus.ns.cloudflare.com tina.ns.cloudflare.com 80928s 4.1 ms 10.89.0.1
11:49:01 MX 10 mx1.basecamp.com 10 mx2.basecamp.com 3600s 8.8 ms 10.89.0.1
11:49:01 AAAA 3.5 ms
11:49:01 A 104.18.14.58 104.18.15.58 297s 5.4 ms 10.89.0.1
09:11:29 CAA 0 issuewild "comodoca.com" 0 issue "letsencrypt.org" 0 issuewild "ssl.com" 0 issue "amazon.com" 0 issue "ssl.com" 0 issue "pki.goog; cansignhttpexchanges=yes" 0 issuewild "pki.goog; cansignhttpexchanges=yes" 0 iodef "mailto:sysadmins@37signals.com" 0 issuewild "letsencrypt.org" 0 issue "comodoca.com" 0 issuewild "digicert.com; cansignhttpexchanges=yes" 0 issue "digicert.com; cansignhttpexchanges=yes" 59s 8.0 ms 10.89.0.1
09:11:29 SOA seamus.ns.cloudflare.com dns.cloudflare.com 2401921730 10000 2400 604800 60 60s 3.7 ms 10.89.0.1
09:11:29 TXT
7 records v=spf1 include:_spf.basecamp.com include:servers.…
v=spf1 include:_spf.basecamp.com include:servers.mcsv.net -all google-site-verification=w-WUrrtkx2vDc--zrb0hxs4rDolhvqkW1Fj-muAr-YM 1password-site-verification=KFPOHERRZBGW7L3YPQHGBWHYGA MS=3DB9BFF0E232F4C87086BE490FC2D6A8337B46C8 atlassian-domain-verification=jDcnbDUp4Eqr8vcG6rwzJC/AiL4ryyQCoTDiAKjKnP7rzlvnA4akV4QxvGnUaMS8 ZOOM_verify_m3iG61YFQ6WjpVxQFErO5w google-site-verification=hpEwalR-8wi_nPf7uplZO5rjptEVj6gENHyy58ULIz4
299s 9.3 ms 10.89.0.1
09:11:29 NS seamus.ns.cloudflare.com tina.ns.cloudflare.com 86400s 4.7 ms 10.89.0.1
09:11:29 MX 10 mx1.basecamp.com 10 mx2.basecamp.com 3600s 6.0 ms 10.89.0.1
09:11:29 AAAA 4.2 ms
09:11:29 A 104.18.15.58 104.18.14.58 247s 4.0 ms 10.89.0.1
06:46:12 CAA 0 issuewild "pki.goog; cansignhttpexchanges=yes" 0 issue "comodoca.com" 0 issue "digicert.com; cansignhttpexchanges=yes" 0 issue "amazon.com" 0 issue "ssl.com" 0 issue "pki.goog; cansignhttpexchanges=yes" 0 issuewild "digicert.com; cansignhttpexchanges=yes" 0 iodef "mailto:sysadmins@37signals.com" 0 issue "letsencrypt.org" 0 issuewild "letsencrypt.org" 0 issuewild "ssl.com" 0 issuewild "comodoca.com" 59s 12.7 ms 10.89.0.1
06:46:12 SOA seamus.ns.cloudflare.com dns.cloudflare.com 2401921730 10000 2400 604800 60 60s 6.4 ms 10.89.0.1
06:46:12 TXT
7 records google-site-verification=w-WUrrtkx2vDc--zrb0hxs4r…
google-site-verification=w-WUrrtkx2vDc--zrb0hxs4rDolhvqkW1Fj-muAr-YM 1password-site-verification=KFPOHERRZBGW7L3YPQHGBWHYGA v=spf1 include:_spf.basecamp.com include:servers.mcsv.net -all google-site-verification=hpEwalR-8wi_nPf7uplZO5rjptEVj6gENHyy58ULIz4 MS=3DB9BFF0E232F4C87086BE490FC2D6A8337B46C8 ZOOM_verify_m3iG61YFQ6WjpVxQFErO5w atlassian-domain-verification=jDcnbDUp4Eqr8vcG6rwzJC/AiL4ryyQCoTDiAKjKnP7rzlvnA4akV4QxvGnUaMS8
299s 12.4 ms 10.89.0.1
06:46:12 NS tina.ns.cloudflare.com seamus.ns.cloudflare.com 54s 1.6 ms 10.89.0.1
06:46:12 MX 10 mx1.basecamp.com 10 mx2.basecamp.com 3600s 5.1 ms 10.89.0.1
06:46:12 AAAA 5.0 ms
06:46:12 A 104.18.14.58 104.18.15.58 59s 5.5 ms 10.89.0.1
04:47:13 CAA 0 issue "amazon.com" 0 issue "letsencrypt.org" 0 issuewild "letsencrypt.org" 0 issuewild "pki.goog; cansignhttpexchanges=yes" 0 issuewild "comodoca.com" 0 issue "comodoca.com" 0 issue "digicert.com; cansignhttpexchanges=yes" 0 issue "ssl.com" 0 issuewild "digicert.com; cansignhttpexchanges=yes" 0 issuewild "ssl.com" 0 issue "pki.goog; cansignhttpexchanges=yes" 0 iodef "mailto:sysadmins@37signals.com" 59s 8.3 ms 10.89.0.1
04:47:13 SOA seamus.ns.cloudflare.com dns.cloudflare.com 2401921730 10000 2400 604800 60 60s 4.8 ms 10.89.0.1
04:47:13 TXT
7 records MS=3DB9BFF0E232F4C87086BE490FC2D6A8337B46C8
MS=3DB9BFF0E232F4C87086BE490FC2D6A8337B46C8 v=spf1 include:_spf.basecamp.com include:servers.mcsv.net -all ZOOM_verify_m3iG61YFQ6WjpVxQFErO5w atlassian-domain-verification=jDcnbDUp4Eqr8vcG6rwzJC/AiL4ryyQCoTDiAKjKnP7rzlvnA4akV4QxvGnUaMS8 google-site-verification=hpEwalR-8wi_nPf7uplZO5rjptEVj6gENHyy58ULIz4 google-site-verification=w-WUrrtkx2vDc--zrb0hxs4rDolhvqkW1Fj-muAr-YM 1password-site-verification=KFPOHERRZBGW7L3YPQHGBWHYGA
299s 7.8 ms 10.89.0.1
04:47:13 NS seamus.ns.cloudflare.com tina.ns.cloudflare.com 86400s 4.4 ms 10.89.0.1
04:47:13 MX 10 mx1.basecamp.com 10 mx2.basecamp.com 3600s 6.5 ms 10.89.0.1
04:47:13 AAAA 6.1 ms
04:47:13 A 104.18.14.58 104.18.15.58 140s 4.3 ms 10.89.0.1
01:50:48 CAA 0 issuewild "ssl.com" 0 iodef "mailto:sysadmins@37signals.com" 0 issue "letsencrypt.org" 0 issuewild "comodoca.com" 0 issuewild "letsencrypt.org" 0 issuewild "pki.goog; cansignhttpexchanges=yes" 0 issue "pki.goog; cansignhttpexchanges=yes" 0 issue "ssl.com" 0 issue "amazon.com" 0 issue "comodoca.com" 0 issuewild "digicert.com; cansignhttpexchanges=yes" 0 issue "digicert.com; cansignhttpexchanges=yes" 59s 19.9 ms 10.89.0.1
01:50:48 SOA seamus.ns.cloudflare.com dns.cloudflare.com 2401921730 10000 2400 604800 60 60s 17.0 ms 10.89.0.1
01:50:48 TXT
7 records 1password-site-verification=KFPOHERRZBGW7L3YPQHGB…
1password-site-verification=KFPOHERRZBGW7L3YPQHGBWHYGA google-site-verification=w-WUrrtkx2vDc--zrb0hxs4rDolhvqkW1Fj-muAr-YM google-site-verification=hpEwalR-8wi_nPf7uplZO5rjptEVj6gENHyy58ULIz4 MS=3DB9BFF0E232F4C87086BE490FC2D6A8337B46C8 ZOOM_verify_m3iG61YFQ6WjpVxQFErO5w atlassian-domain-verification=jDcnbDUp4Eqr8vcG6rwzJC/AiL4ryyQCoTDiAKjKnP7rzlvnA4akV4QxvGnUaMS8 v=spf1 include:_spf.basecamp.com include:servers.mcsv.net -all
299s 20.2 ms 10.89.0.1
01:50:48 NS seamus.ns.cloudflare.com tina.ns.cloudflare.com 21600s 18.5 ms 10.89.0.1
01:50:48 MX 10 mx2.basecamp.com 10 mx1.basecamp.com 740s 13.4 ms 10.89.0.1
01:50:48 AAAA 14.8 ms
01:50:48 A 104.18.15.58 104.18.14.58 300s 18.0 ms 10.89.0.1
23:47:53 CAA 0 issue "amazon.com" 0 issuewild "letsencrypt.org" 0 issuewild "ssl.com" 0 issue "pki.goog; cansignhttpexchanges=yes" 0 issue "digicert.com; cansignhttpexchanges=yes" 0 issue "ssl.com" 0 issue "comodoca.com" 0 issuewild "pki.goog; cansignhttpexchanges=yes" 0 issue "letsencrypt.org" 0 issuewild "digicert.com; cansignhttpexchanges=yes" 0 issuewild "comodoca.com" 0 iodef "mailto:sysadmins@37signals.com" 59s 7.4 ms 10.89.0.1
23:47:53 SOA seamus.ns.cloudflare.com dns.cloudflare.com 2401921730 10000 2400 604800 60 60s 5.2 ms 10.89.0.1
23:47:53 TXT
7 records MS=3DB9BFF0E232F4C87086BE490FC2D6A8337B46C8
MS=3DB9BFF0E232F4C87086BE490FC2D6A8337B46C8 atlassian-domain-verification=jDcnbDUp4Eqr8vcG6rwzJC/AiL4ryyQCoTDiAKjKnP7rzlvnA4akV4QxvGnUaMS8 google-site-verification=w-WUrrtkx2vDc--zrb0hxs4rDolhvqkW1Fj-muAr-YM v=spf1 include:_spf.basecamp.com include:servers.mcsv.net -all 1password-site-verification=KFPOHERRZBGW7L3YPQHGBWHYGA ZOOM_verify_m3iG61YFQ6WjpVxQFErO5w google-site-verification=hpEwalR-8wi_nPf7uplZO5rjptEVj6gENHyy58ULIz4
299s 6.2 ms 10.89.0.1
23:47:53 NS seamus.ns.cloudflare.com tina.ns.cloudflare.com 83147s 3.5 ms 10.89.0.1
23:47:53 MX 10 mx1.basecamp.com 10 mx2.basecamp.com 3600s 8.3 ms 10.89.0.1
23:47:53 AAAA 3.6 ms
23:47:53 A 104.18.14.58 104.18.15.58 7s 4.7 ms 10.89.0.1
19:23:31 CAA 0 issue "comodoca.com" 0 issuewild "pki.goog; cansignhttpexchanges=yes" 0 issuewild "digicert.com; cansignhttpexchanges=yes" 0 issue "ssl.com" 0 issue "digicert.com; cansignhttpexchanges=yes" 0 issuewild "comodoca.com" 0 iodef "mailto:sysadmins@37signals.com" 0 issue "amazon.com" 0 issuewild "letsencrypt.org" 0 issue "letsencrypt.org" 0 issue "pki.goog; cansignhttpexchanges=yes" 0 issuewild "ssl.com" 59s 8.7 ms 10.89.0.1
19:23:31 SOA seamus.ns.cloudflare.com dns.cloudflare.com 2401921730 10000 2400 604800 60 60s 4.3 ms 10.89.0.1
19:23:31 TXT
7 records google-site-verification=hpEwalR-8wi_nPf7uplZO5rj…
google-site-verification=hpEwalR-8wi_nPf7uplZO5rjptEVj6gENHyy58ULIz4 1password-site-verification=KFPOHERRZBGW7L3YPQHGBWHYGA ZOOM_verify_m3iG61YFQ6WjpVxQFErO5w google-site-verification=w-WUrrtkx2vDc--zrb0hxs4rDolhvqkW1Fj-muAr-YM atlassian-domain-verification=jDcnbDUp4Eqr8vcG6rwzJC/AiL4ryyQCoTDiAKjKnP7rzlvnA4akV4QxvGnUaMS8 MS=3DB9BFF0E232F4C87086BE490FC2D6A8337B46C8 v=spf1 include:_spf.basecamp.com include:servers.mcsv.net -all
299s 7.2 ms 10.89.0.1
19:23:31 NS seamus.ns.cloudflare.com tina.ns.cloudflare.com 86400s 4.4 ms 10.89.0.1
19:23:31 MX 10 mx1.basecamp.com 10 mx2.basecamp.com 3600s 8.4 ms 10.89.0.1
19:23:31 AAAA 3.6 ms
19:23:31 A 104.18.15.58 104.18.14.58 91s 3.0 ms 10.89.0.1
16:58:34 CAA 0 issue "digicert.com; cansignhttpexchanges=yes" 0 issue "ssl.com" 0 issue "letsencrypt.org" 0 issue "comodoca.com" 0 issuewild "pki.goog; cansignhttpexchanges=yes" 0 issuewild "digicert.com; cansignhttpexchanges=yes" 0 issue "amazon.com" 0 issuewild "letsencrypt.org" 0 issuewild "ssl.com" 0 issuewild "comodoca.com" 0 iodef "mailto:sysadmins@37signals.com" 0 issue "pki.goog; cansignhttpexchanges=yes" 59s 10.5 ms 10.89.0.1
Open Ports 9
Open Ports
9
IPs Scanned
9
Port Protocol Service IP Address Status Latency Banner
80 TCP http 104.18.14.58 Open 113.2 ms
443 TCP https 104.18.14.58 Open 2.6 ms
2082 TCP cpanel 104.18.14.58 Open 4.2 ms
2083 TCP cpanel-ssl 104.18.14.58 Open 2.8 ms
2086 TCP whm 104.18.14.58 Open 2.9 ms
2087 TCP whm-ssl 104.18.14.58 Open 2.4 ms
8080 TCP http-alt 104.18.14.58 Open 2.1 ms
8443 TCP https-alt 104.18.14.58 Open 3.3 ms
8880 TCP cddbp-alt 104.18.14.58 Open 4.0 ms
Active IP Addresses
IP Address Version Reverse DNS CIDR Country City ASN Reputation First Seen Last DNS Hits Misses Uptime % Avg Latency
104.18.15.58 IPv4 104.18.15.0/24 AS13335 Cloudflare, Inc. Clean 2026-04-19 18:16 2026-04-22 11:49 9 0 100.0% 3.9 ms
104.18.14.58 IPv4 104.18.14.0/24 AS13335 Cloudflare, Inc. Clean 2026-04-19 18:16 2026-04-22 11:49 9 0 100.0% 4.2 ms
204.62.114.211 IPv4 mx1.basecamp.com 2026-04-19 20:39 2026-04-19 20:39 0 0
204.62.115.211 IPv4 mx2.basecamp.com 2026-04-19 20:39 2026-04-19 20:39 0 0
Technology
Technology Stack 14 detected
HTTP/2
HTTP/3 (QUIC)
14
Technologies
CDN 1
CF-Ray header present
CSS 1
new.css
70%
new.css classless
DNS 1
NS record: seamus.ns.cloudflare.com
Email 2
SPF include: v=spf1 include:_spf.basecamp.com include:servers.mcsv.net -all
SPF Record
85%
TXT SPF: v=spf1 include:_spf.basecamp.com include:servers.mcsv.net -all
Productivity 1
Basecamp embed
SEO 2
JSON-LD structured data
Schema.org structured data
Security 1
TXT verification: 1password-site-verification=KFPOHERRZBGW7L3YPQHGBWHYGA
Social 2
Open Graph meta tags
Twitter Card meta
Verification 3
TXT verification: atlassian-domain-verification=jDcnbDUp4Eqr8vcG6rwzJC/AiL4ryyQ…
TXT verification: google-site-verification=w-WUrrtkx2vDc--zrb0hxs4rDolhvqkW1Fj-…
TXT verification: MS=3DB9BFF0E232F4C87086BE490FC2D6A8337B46C8
Technology Provider 1 tech · 1 sites

This domain provides technology used by other monitored sites.

Discovery
Crawl Configuration
robots.txt Sitemap · 199 URLs
robots.txt 2 disallow · 1 allow · 1 agent
User-Agent Directive Path / Value
* Allow /
* Disallow /demos/
* Disallow /humans.txt
* Sitemap https://basecamp.com/sitemap.xml
User-agent: *
Allow: /
Disallow: /demos/
Disallow: /humans.txt
Sitemap: https://basecamp.com/sitemap.xml
Sitemap
199
URLs
Sitemap Accessible
Standard
Discovered Sub-domains 11
Wordlist Brute-force 11
Subdomain Source Status Code Response IPs Last Checked
3.basecamp.com Wordlist Brute-force UP 200 190 ms 2 days, 9 hours ago
api.basecamp.com Wordlist Brute-force DOWN 526 192 ms 2 days, 9 hours ago
app.basecamp.com Wordlist Brute-force UP 403 54 ms 2 days, 9 hours ago
help.basecamp.com Wordlist Brute-force UP 200 126 ms 2 days, 9 hours ago
mx1.basecamp.com Wordlist Brute-force TIMEOUT 2 days, 9 hours ago
mx2.basecamp.com Wordlist Brute-force TIMEOUT 2 days, 9 hours ago
search.basecamp.com Wordlist Brute-force UP 404 133 ms 2 days, 9 hours ago
status.basecamp.com Wordlist Brute-force UP 200 416 ms 2 days, 9 hours ago
storage.basecamp.com Wordlist Brute-force UP 403 61 ms 2 days, 9 hours ago
upload.basecamp.com Wordlist Brute-force UP 404 104 ms 2 days, 9 hours ago
www.basecamp.com Wordlist Brute-force UP 200 204 ms 2 days, 9 hours ago