craigslist.org
24 hours
100.00%
7 days
100.00%
30 days
100.00%
IPv4 / IPv6
1
0
SSL Certificate
295d
Security Headers
2/6
Badges:
Response Time & Availability (24h)
SSL / TLS Certificate
295
days left
Valid
Dec 31, 2025
Jan 31, 2027
Issued → Expires
| Subject | countryName=US, stateOrProvinceName=California, localityName=San Francisco, organizationName=Craigslist, Inc., commonName=craigslist.org |
|---|---|
| Issuer | countryName=US, organizationName=DigiCert Inc, commonName=DigiCert Global G3 TLS ECC SHA384 2020 CA1 |
| Valid From | 2025-12-31 00:00 |
| Expires | 2027-01-31 23:59 |
| Serial Number | 060A22BC424F50C2478352D62B7494BA |
| SHA-256 Fingerprint | 4a:6c:d6:c2:82:c8:8b:d0:a0:ae:10:54:a6:32:8a:92:8f:0d:67:2c:ad:0b:bd:c4:06:1f:e7:ac:05:b9:01:f1 |
| Subject Alt Names | craigslist.org cl.com craigslist.ca craigslist.com craigslist.net *.cl.com *.craigslist.ca *.craigslist.com *.craigslist.net *.craigslist.org |
| Last Checked | 2026-04-11 22:31:44 |
Latest HTTP Response Details
| Final URL | https://boston.craigslist.org/ |
|---|---|
| Status Code | 200 |
| Response Time | 454 ms |
| Content Size | 60 KB (60.4 KB) |
| Content Type | text/html; charset=UTF-8 |
| Server | — |
| TLS Version | TLSv1.2 |
|---|---|
| TLS Cipher | ECDHE-ECDSA-AES256-GCM-SHA384 |
| Redirects | 3 |
|
|
| Checked | 2026-04-11 22:31:43 |
Security Headers
2/6
| Header | Status | Value |
|---|---|---|
Strict-Transport-Security |
Present | max-age=63072000 |
Content-Security-Policy |
Present | base-uri 'self' https://hcaptcha.com https://*.hcaptcha.com; child-src https://*.craigslist.org; connect-src https://*.craigslist.org https://hcaptcha.com https://*.hcaptcha.com; font-src data:; form-action https://*.craigslist.org; frame-ancestors https://*.craigslist.org; frame-src https://*.craigslist.org https://craigslist.org https://hcaptcha.com https://*.hcaptcha.com; media-src data:; object-src 'none'; script-src 'unsafe-inline' 'unsafe-eval' https://*.craigslist.org https://hcaptcha.com https://*.hcaptcha.com; style-src 'unsafe-inline' https://*.craigslist.org https://hcaptcha.com https://*.hcaptcha.com |
X-Frame-Options |
Missing | — |
X-Content-Type-Options |
Missing | — |
Referrer-Policy |
Missing | — |
Permissions-Policy |
Missing | — |
DNS Intelligence (24h)
Avg Resolution
5.1 ms
Min / Max
3.6
/
8.0 ms
Record Types
7
Lookups (24h)
24
DNS Records
A
208.82.237.129
220s
4.6ms
MX
| 10 | mxicorpa.craigslist.org |
300s
16.3ms
NS
ns9a.craigslist.org
ns2a.craigslist.org
ns2f.craigslist.org
ns9f.craigslist.org
ns1a.craigslist.org
ns1f.craigslist.org
3600s
17.7ms
TXT
SPF
(1)
v=spf1 ip4:208.82.237.96/29 ip4:208.82.237.104/31 ip4:208.82.238.96/2…
v=spf1 ip4:208.82.237.96/29 ip4:208.82.237.104/31 ip4:208.82.238.96/29 ip4:208.82.238.104/31 -all
Domain Verification
(4)
yahoo-verification-key=MNHB1iJdRroJaPWyM/RsqcQKxzztspsTjcxwztW5ynQ=
abuseipdb-verification=sTNSJHO8
cisco-ci-domain-verification=49705dd0c370cf0b94605d2e2f8909106fd1e406…
cisco-ci-domain-verification=49705dd0c370cf0b94605d2e2f8909106fd1e4062475d3c0d36b3e4272451dc3
google-site-verification=o1PSo3G__Mi-abG-RR0Y_Ow2reaDoRqaBKzMQf2QDLE
300s
14.7ms
SOA
Primary NS
ns1f.craigslist.org
Admin
hostmaster@craigslist.org
Serial: 2026022304
Refresh: 3h
Retry: 30m
Expire: 28d
Min TTL: 5m
300s
18.6ms
CAA
| Flag | Tag | Value |
|---|---|---|
| 0 | issue | digicert.com |
| 0 | iodef | mailto:security@craigslist.org |
300s
16.3ms
PTR
www.craigslist.org
3600s
445.8ms
Email Security Posture
MX Records
SPF
Details
v=spf1 ip4:208.82.237.96/29 ip4:208.82.237.104/31 ip4:208.82.238.96/29 ip4:208.82.238.104/31 -all
DMARC
Details
v=DMARC1; p=quarantine; pct=100; rua=mailto:ruarua@craigslist.org; ruf=mailto:rufruf@craigslist.org,mailto:craigslist-dmarc@datafeeds.phishlabs.com;
BIMI
MTA-STS
Strong
Overall
DNS Propagation Consistent
| Resolver | IPs Returned | Response Time | Status |
|---|---|---|---|
| Quad9 |
208.82.237.129
|
13.7ms | |
208.82.237.129
|
13.65ms | ||
| AdGuard |
208.82.237.129
|
78.87ms | |
| OpenDNS |
208.82.237.129
|
78.39ms | |
| Cloudflare |
208.82.237.129
|
3.85ms |
WHOIS / Domain Registration
Registrar
MarkMonitor Inc.
Created
1997-09-11
Updated
2024-08-14
Expires
2026-09-10
Name Servers (WHOIS)
ns1a.craigslist.org
ns2a.craigslist.org
ns1f.craigslist.org
ns2f.craigslist.org
ns9a.craigslist.org
ns9f.craigslist.org
Domain Status
clientDeleteProhibited
serverDeleteProhibited
clientTransferProhibited
serverTransferProhibited
clientUpdateProhibited
serverUpdateProhibited
DNSSEC
Unsigned
WHOIS Last Checked
2026-04-11 22:31
Resolution Time (A/AAAA recent)
20:09
22:31
| Time | Type | Values | TTL | Resolution | Nameserver |
|---|---|---|---|---|---|
| 22:31:43 | PTR |
208.82.237.129
|
3600s | 445.8 ms | — |
| 22:31:43 | CAA |
0 issue "digicert.com"
0 iodef "mailto:security@craigslist.org"
|
300s | 16.3 ms | 10.89.0.1 |
| 22:31:43 | SOA |
ns1f.craigslist.org hostmaster.craigslist.org 2026022304 10800 1800 2419200 300
|
300s | 18.6 ms | 10.89.0.1 |
| 22:31:43 | TXT |
5 records
|
300s | 14.7 ms | 10.89.0.1 |
| 22:31:43 | NS |
ns9a.craigslist.org
ns2a.craigslist.org
ns2f.craigslist.org
ns9f.craigslist.org
ns1a.craigslist.org
ns1f.craigslist.org
|
3600s | 17.7 ms | 10.89.0.1 |
| 22:31:43 | MX |
10 mxicorpa.craigslist.org
|
300s | 16.3 ms | 10.89.0.1 |
| 22:31:43 | AAAA | — | — | 4.7 ms | — |
| 22:31:43 | A |
208.82.237.129
|
220s | 4.6 ms | 10.89.0.1 |
| 21:14:31 | PTR |
208.82.237.129
|
3600s | 88.3 ms | — |
| 21:14:31 | CAA |
0 iodef "mailto:security@craigslist.org"
0 issue "digicert.com"
|
300s | 16.5 ms | 10.89.0.1 |
| 21:14:31 | SOA |
ns1f.craigslist.org hostmaster.craigslist.org 2026022304 10800 1800 2419200 300
|
300s | 15.8 ms | 10.89.0.1 |
| 21:14:31 | TXT |
5 records
|
300s | 15.2 ms | 10.89.0.1 |
| 21:14:31 | NS |
ns9f.craigslist.org
ns1a.craigslist.org
ns1f.craigslist.org
ns2a.craigslist.org
ns9a.craigslist.org
ns2f.craigslist.org
|
3255s | 5.7 ms | 10.89.0.1 |
| 21:14:31 | MX |
10 mxicorpa.craigslist.org
|
300s | 17.1 ms | 10.89.0.1 |
| 21:14:31 | AAAA | — | — | 5.9 ms | — |
| 21:14:31 | A |
208.82.237.129
|
205s | 8.0 ms | 10.89.0.1 |
| 20:09:34 | PTR |
208.82.237.129
|
3600s | 69.9 ms | — |
| 20:09:34 | CAA |
0 issue "digicert.com"
0 iodef "mailto:security@craigslist.org"
|
300s | 17.6 ms | 10.89.0.1 |
| 20:09:34 | SOA |
ns1f.craigslist.org hostmaster.craigslist.org 2026022304 10800 1800 2419200 300
|
300s | 15.3 ms | 10.89.0.1 |
| 20:09:34 | TXT |
5 records
|
300s | 16.0 ms | 10.89.0.1 |
| 20:09:34 | NS |
ns1f.craigslist.org
ns9a.craigslist.org
ns9f.craigslist.org
ns1a.craigslist.org
ns2a.craigslist.org
ns2f.craigslist.org
|
3600s | 16.6 ms | 10.89.0.1 |
| 20:09:34 | MX |
10 mxicorpa.craigslist.org
|
300s | 16.0 ms | 10.89.0.1 |
| 20:09:34 | AAAA | — | — | 3.6 ms | — |
| 20:09:34 | A |
208.82.237.129
|
243s | 3.7 ms | 10.89.0.1 |
Open Ports
2
Open Ports
2
IPs Scanned
2
| Port | Protocol | Service | IP Address | Status | Latency | Banner |
|---|---|---|---|---|---|---|
80 |
TCP | http | 208.82.237.129 |
Open | 13.1 ms | — |
443 |
TCP | https | 208.82.237.129 |
Open | 13.1 ms | — |
Lighthouse Report
16 minutes ago
Mobile viewport
20
Performance
84
Accessibility
100
Best Practices
100
SEO
● 90–100 Good
● 50–89 Needs Work
● 0–49 Poor
Core Web Vitals:
Failed
LCP
9805 ms
Poor
TBT
2933 ms
Poor
CLS
0.265
Poor
FCP
3635 ms
Poor
SI
6027 ms
Poor
TTFB
16 ms
Good
| Score | Audit | Category |
|---|---|---|
| 0 |
Largest Contentful Paint
9.8 s
|
performance |
| 0 |
Max Potential First Input Delay
2,630 ms
|
performance |
| 0 |
Avoid multiple page redirects
Est savings of 2,310 ms
|
performance |
| 0 |
Minimize main-thread work
8.8 s
|
performance |
| 0 |
Reduce JavaScript execution time
4.9 s
|
performance |
| 0 |
Largest Contentful Paint element
9,810 ms
|
performance |
| 0 |
Avoid large layout shifts
1 layout shift found
|
performance |
| 0 |
Missing source maps for large first-party JavaScript
|
best-practices |
| 0 |
`<html>` element does not have a `[lang]` attribute
|
accessibility |
| 0 |
Links do not have a discernible name
|
accessibility |
| 0 |
Eliminate render-blocking resources
Est savings of 160 ms
|
performance |
| 0 |
Reduce unused CSS
Est savings of 65 KiB
|
performance |
| 0 |
Reduce unused JavaScript
Est savings of 276 KiB
|
performance |
| 0 |
Avoid an excessive DOM size
1,855 elements
|
performance |
| 0 |
Use HTTP/2
7 requests not served via HTTP/2
|
performance |
| 0 |
Layout shift culprits
|
performance |
| 0 |
Document request latency
Est savings of 310 ms
|
performance |
| 0 |
Forced reflow
|
performance |
| 0 |
Network dependency tree
|
performance |
| 0 |
Render blocking requests
Est savings of 160 ms
|
performance |
| 3 |
Total Blocking Time
2,930 ms
|
performance |
| 28 |
Time to Interactive
9.8 s
|
performance |
| 31 |
First Contentful Paint
3.6 s
|
performance |
| 46 |
Speed Index
6.0 s
|
performance |
| 46 |
Cumulative Layout Shift
0.265
|
performance |
| 50 |
Serve static assets with an efficient cache policy
5 resources found
|
performance |
| 50 |
Defer offscreen images
Est savings of 20 KiB
|
performance |
| 50 |
Serve images in next-gen formats
Est savings of 16 KiB
|
performance |
| 50 |
Use efficient cache lifetimes
Est savings of 8 KiB
|
performance |
Desktop viewport
64
Performance
74
Accessibility
100
Best Practices
100
SEO
● 90–100 Good
● 50–89 Needs Work
● 0–49 Poor
Core Web Vitals:
Failed
LCP
1107 ms
Good
TBT
186 ms
Good
CLS
1.169
Poor
FCP
1094 ms
Good
SI
1644 ms
Good
TTFB
16 ms
Good
| Score | Audit | Category |
|---|---|---|
| 0 |
Avoid multiple page redirects
Est savings of 670 ms
|
performance |
| 0 |
Avoid large layout shifts
2 layout shifts found
|
performance |
| 0 |
Missing source maps for large first-party JavaScript
|
best-practices |
| 0 |
Background and foreground colors do not have a sufficient contrast ratio.
|
accessibility |
| 0 |
Heading elements are not in a sequentially-descending order
|
accessibility |
| 0 |
`<html>` element does not have a `[lang]` attribute
|
accessibility |
| 0 |
Select elements do not have associated label elements.
|
accessibility |
| 0 |
Touch targets do not have sufficient size or spacing.
|
accessibility |
| 0 |
Eliminate render-blocking resources
Est savings of 120 ms
|
performance |
| 0 |
Layout shift culprits
|
performance |
| 0 |
Document request latency
Est savings of 180 ms
|
performance |
| 0 |
Forced reflow
|
performance |
| 0 |
Network dependency tree
|
performance |
| 1 |
Cumulative Layout Shift
1.169
|
performance |
| 50 |
Max Potential First Input Delay
250 ms
|
performance |
| 50 |
Serve static assets with an efficient cache policy
4 resources found
|
performance |
| 50 |
Reduce unused CSS
Est savings of 66 KiB
|
performance |
| 50 |
Reduce unused JavaScript
Est savings of 283 KiB
|
performance |
| 50 |
Avoid an excessive DOM size
1,503 elements
|
performance |
| 50 |
Render blocking requests
|
performance |
| 77 |
Speed Index
1.6 s
|
performance |
| 81 |
First Contentful Paint
1.1 s
|
performance |
| 83 |
Total Blocking Time
190 ms
|
performance |
Technology Stack
9 detected
HTTP/2
HTTP/3 (QUIC)
9
Technologies
Email
1
SPF Record
TXT SPF: v=spf1 ip4:208.82.237.96/29 ip4:208.82.237.104/31 ip4:208.82.238.96/29…
SEO
2
JSON-LD
JSON-LD structured data
Schema.org Markup
Schema.org structured data
Security
3
CSP
Content-Security-Policy present
HSTS
HSTS header present
X-Frame-Options
Security header present
Social
2
Open Graph
Open Graph meta tags
Twitter Cards
Twitter Card meta
Verification
1
Google Search Console
TXT verification: google-site-verification=o1PSo3G__Mi-abG-RR0Y_Ow2reaDoRqaBKzM…
Crawl Configuration
robots.txt
No sitemap
robots.txt 7 disallow · 0 allow · 1 agent
| User-Agent | Directive | Path / Value |
|---|---|---|
*
|
Disallow |
/reply
|
*
|
Disallow |
/fb/
|
*
|
Disallow |
/suggest
|
*
|
Disallow |
/flag
|
*
|
Disallow |
/mf
|
*
|
Disallow |
/mailflag
|
*
|
Disallow |
/eaf
|
User-agent: * Disallow: /reply Disallow: /fb/ Disallow: /suggest Disallow: /flag Disallow: /mf Disallow: /mailflag Disallow: /eaf
Sitemap
No sitemap discovered.
Checked /robots.txt, /sitemap.xml, and /sitemap_index.xml
Active IP Addresses
| IP Address | Version | Reverse DNS | CIDR | Country | City | ASN | First Seen | Last DNS | Hits | Misses | Uptime % | Avg Latency |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
208.82.237.129 |
IPv4 |
www.craigslist.org
|
208.82.237.0/24
|
US | San Francisco | AS22414 Craigslist, Inc. | 2026-04-11 20:09 | 2026-04-11 22:31 | 3 | 0 | 100.0% | 14.0 ms |
Discovered Sub-domains
125
Wordlist Brute-force
12
Link Scan
79
Certificate Transparency
34
1.
accounts.craigslist.org
2.
api.craigslist.org
3.
blog.craigslist.org
4.
dc.craigslist.org
5.
geo.craigslist.org
6.
images.craigslist.org
7.
mail.craigslist.org
8.
map.craigslist.org
9.
mobile.craigslist.org
10.
secure.craigslist.org
11.
smtp.craigslist.org
12.
www.craigslist.org
albany.craigslist.org
32 minutes ago
allentown.craigslist.org
32 minutes ago
atlanta.craigslist.org
32 minutes ago
auckland.craigslist.org
32 minutes ago
austin.craigslist.org
32 minutes ago
bangalore.craigslist.org
32 minutes ago
berlin.craigslist.org
32 minutes ago
binghamton.craigslist.org
32 minutes ago
boston.craigslist.org
32 minutes ago
calgary.craigslist.org
32 minutes ago
capecod.craigslist.org
32 minutes ago
catskills.craigslist.org
32 minutes ago
chicago.craigslist.org
32 minutes ago
cnj.craigslist.org
32 minutes ago
dallas.craigslist.org
32 minutes ago
denver.craigslist.org
32 minutes ago
detroit.craigslist.org
32 minutes ago
edmonton.craigslist.org
32 minutes ago
forums.craigslist.org
32 minutes ago
glensfalls.craigslist.org
32 minutes ago
halifax.craigslist.org
32 minutes ago
hartford.craigslist.org
32 minutes ago
houston.craigslist.org
32 minutes ago
hudsonvalley.craigslist.org
32 minutes ago
jerseyshore.craigslist.org
32 minutes ago
lasvegas.craigslist.org
32 minutes ago
longisland.craigslist.org
32 minutes ago
losangeles.craigslist.org
32 minutes ago
madrid.craigslist.org
32 minutes ago
maine.craigslist.org
32 minutes ago
manila.craigslist.org
32 minutes ago
mexicocity.craigslist.org
32 minutes ago
miami.craigslist.org
32 minutes ago
minneapolis.craigslist.org
32 minutes ago
montreal.craigslist.org
32 minutes ago
moscow.craigslist.org
32 minutes ago
newhaven.craigslist.org
32 minutes ago
newjersey.craigslist.org
32 minutes ago
newlondon.craigslist.org
32 minutes ago
newyork.craigslist.org
32 minutes ago
nh.craigslist.org
32 minutes ago
nwct.craigslist.org
32 minutes ago
oneonta.craigslist.org
32 minutes ago
orangecounty.craigslist.org
32 minutes ago
ottawa.craigslist.org
32 minutes ago
paris.craigslist.org
32 minutes ago
philadelphia.craigslist.org
32 minutes ago
phoenix.craigslist.org
32 minutes ago
plattsburgh.craigslist.org
32 minutes ago
poconos.craigslist.org
32 minutes ago
portland.craigslist.org
32 minutes ago
potsdam.craigslist.org
32 minutes ago
providence.craigslist.org
32 minutes ago
raleigh.craigslist.org
32 minutes ago
rio.craigslist.org
32 minutes ago
rome.craigslist.org
32 minutes ago
sacramento.craigslist.org
32 minutes ago
sandiego.craigslist.org
32 minutes ago
saskatoon.craigslist.org
32 minutes ago
scranton.craigslist.org
32 minutes ago
seattle.craigslist.org
32 minutes ago
sfbay.craigslist.org
32 minutes ago
shanghai.craigslist.org
32 minutes ago
singapore.craigslist.org
32 minutes ago
southcoast.craigslist.org
32 minutes ago
sydney.craigslist.org
32 minutes ago
syracuse.craigslist.org
32 minutes ago
telaviv.craigslist.org
32 minutes ago
tokyo.craigslist.org
32 minutes ago
toronto.craigslist.org
32 minutes ago
utica.craigslist.org
32 minutes ago
vancouver.craigslist.org
32 minutes ago
vermont.craigslist.org
32 minutes ago
victoria.craigslist.org
32 minutes ago
washingtondc.craigslist.org
32 minutes ago
westernmass.craigslist.org
32 minutes ago
winnipeg.craigslist.org
32 minutes ago
worcester.craigslist.org
32 minutes ago
zurich.craigslist.org
32 minutes ago
auth1a.int.craigslist.org
32 minutes ago
auth1f.int.craigslist.org
32 minutes ago
bapi.craigslist.org
32 minutes ago
ccard-api-200paul.craigslist.org
32 minutes ago
ccard-api-ashburn.craigslist.org
32 minutes ago
home.craigslist.org
32 minutes ago
int.craigslist.org
32 minutes ago
mta-sts.alerts.craigslist.org
32 minutes ago
mta-sts.comm.craigslist.org
32 minutes ago
mta-sts.event.craigslist.org
32 minutes ago
mta-sts.gigs.craigslist.org
32 minutes ago
mta-sts.hous.craigslist.org
32 minutes ago
mta-sts.job.craigslist.org
32 minutes ago
mta-sts.reply.craigslist.org
32 minutes ago
mta-sts.res.craigslist.org
32 minutes ago
mta-sts.sale.craigslist.org
32 minutes ago
mta-sts.serv.craigslist.org
32 minutes ago
mxi.craigslist.org
32 minutes ago
mxia.craigslist.org
32 minutes ago
mxicorp.craigslist.org
32 minutes ago
mxicorpa.craigslist.org
32 minutes ago
mxicorpf.craigslist.org
32 minutes ago
mxif.craigslist.org
32 minutes ago
outbound.200paul.craigslist.org
32 minutes ago
outbound.ashburn.craigslist.org
32 minutes ago
outbound.craigslist.org
32 minutes ago
outbound.int.craigslist.org
32 minutes ago
post.craigslist.org
32 minutes ago
remote.craigslist.org
32 minutes ago
team.craigslist.org
32 minutes ago
wapi.craigslist.org
32 minutes ago
www.auth1a.int.craigslist.org
32 minutes ago
www.auth1f.int.craigslist.org
32 minutes ago
www.smtp.craigslist.org
32 minutes ago
Recent HTTP Checks (24 h)
Total Checks
3
Success Rate
100%
Avg Response
467 ms
Min / Max
448
/
498 ms
Recent Checks
20:09
22:31
| Time | Status | Code | Response | Agent | Error |
|---|---|---|---|---|---|
| 22:31:43 | UP | 200 | 454 ms | prod-local | — |
| 21:14:31 | UP | 200 | 498 ms | prod-local | — |
| 20:09:35 | UP | 200 | 448 ms | prod-local | — |
Incident History
No incidents recorded — all clear!