developer.apple.com A+

24 hours
100.00%
7 days
100.00%
30 days
100.00%
IPv4 / IPv6
18 14
SSL Certificate
62d
Security Headers
0/6
Status Badges

Click any snippet to copy. Use Markdown for GitHub READMEs, HTML for websites.
Badge Markdown HTML
Status [![Status](https://updown.website/badge/developer.apple.com/status.svg)](https://updown.website/site/developer.apple.com/) <a href="https://updown.website/site/developer.apple.com/"><img src="https://updown.website/badge/developer.apple.com/status.svg" alt="Status"></a>
Uptime [![Uptime](https://updown.website/badge/developer.apple.com/uptime.svg)](https://updown.website/site/developer.apple.com/) <a href="https://updown.website/site/developer.apple.com/"><img src="https://updown.website/badge/developer.apple.com/uptime.svg" alt="Uptime"></a>
Response Time [![Response Time](https://updown.website/badge/developer.apple.com/response-time.svg)](https://updown.website/site/developer.apple.com/) <a href="https://updown.website/site/developer.apple.com/"><img src="https://updown.website/badge/developer.apple.com/response-time.svg" alt="Response Time"></a>
SSL [![SSL](https://updown.website/badge/developer.apple.com/ssl.svg)](https://updown.website/site/developer.apple.com/) <a href="https://updown.website/site/developer.apple.com/"><img src="https://updown.website/badge/developer.apple.com/ssl.svg" alt="SSL"></a>
Performance [![Performance](https://updown.website/badge/developer.apple.com/cwv.svg)](https://updown.website/site/developer.apple.com/) <a href="https://updown.website/site/developer.apple.com/"><img src="https://updown.website/badge/developer.apple.com/cwv.svg" alt="Performance"></a>
Accessibility [![Accessibility](https://updown.website/badge/developer.apple.com/cwv.svg?category=accessibility)](https://updown.website/site/developer.apple.com/) <a href="https://updown.website/site/developer.apple.com/"><img src="https://updown.website/badge/developer.apple.com/cwv.svg?category=accessibility" alt="Accessibility"></a>
SEO [![SEO](https://updown.website/badge/developer.apple.com/cwv.svg?category=seo)](https://updown.website/site/developer.apple.com/) <a href="https://updown.website/site/developer.apple.com/"><img src="https://updown.website/badge/developer.apple.com/cwv.svg?category=seo" alt="SEO"></a>
Security Headers [![Security Headers](https://updown.website/badge/developer.apple.com/security-headers.svg)](https://updown.website/site/developer.apple.com/) <a href="https://updown.website/site/developer.apple.com/"><img src="https://updown.website/badge/developer.apple.com/security-headers.svg" alt="Security Headers"></a>
Uptime 24h [![Uptime 24h](https://updown.website/badge/developer.apple.com/uptime.svg?period=24h)](https://updown.website/site/developer.apple.com/) <a href="https://updown.website/site/developer.apple.com/"><img src="https://updown.website/badge/developer.apple.com/uptime.svg?period=24h" alt="Uptime 24h"></a>
Incidents [![Incidents](https://updown.website/badge/developer.apple.com/incidents.svg)](https://updown.website/site/developer.apple.com/) <a href="https://updown.website/site/developer.apple.com/"><img src="https://updown.website/badge/developer.apple.com/incidents.svg" alt="Incidents"></a>
IPv4/IPv6 [![IPv4/IPv6](https://updown.website/badge/developer.apple.com/ipv46.svg)](https://updown.website/site/developer.apple.com/) <a href="https://updown.website/site/developer.apple.com/"><img src="https://updown.website/badge/developer.apple.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
8
Success Rate
100%
Avg Response
47 ms
Min / Max
33 / 81 ms
Recent Checks
16:25 09:57
Time Status Code Response Agent Error
09:57:10 UP 200 35 ms prod-local
08:34:50 UP 200 33 ms prod-local
05:18:50 UP 200 43 ms prod-local
02:29:38 UP 200 36 ms prod-local
01:08:32 UP 200 41 ms prod-local
22:14:57 UP 200 56 ms prod-local
17:33:23 UP 200 56 ms prod-local
16:25:25 UP 200 81 ms prod-local
Incident History

No incidents recorded — all clear!

Community
0
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Service Checks (Banner Grab)
2 up 0 down
Status Port Service Version IP Banner Latency Checked
80 http Apple 2620:149:a09:f000::1 HTTP/1.1 301 Moved Permanently Server: Apple Date: Tue, 21 Apr 2026 17:38:59 … 2.4 ms 18 hours, 15 minutes ago
443 https 2620:149:a09:f000::1 503.3 ms 18 hours, 15 minutes ago
Security
SSL / TLS Certificate
62
days left
Valid
Mar 25, 2026 Jun 23, 2026
Issued → Expires
Subject businessCategory=Private Organization, jurisdictionCountryName=US, jurisdictionStateOrProvinceName=California, serialNumber=C0806592, countryName=US, stateOrProvinceName=California, localityName=Cupertino, organizationName=Apple Inc., commonName=developer.apple.com
Issuer countryName=US, organizationName=Apple Inc., commonName=Apple Public EV Server ECC CA 1 - G1
Valid From 2026-03-25 20:25
Expires 2026-06-23 19:58
Serial Number 73AFEBE627B0777C939DB4C5BA35120A
SHA-256 Fingerprint c6:86:31:bd:63:87:e7:33:3d:90:e6:32:2b:6b:3c:d5:2d:8c:3f:71:de:0e:24:91:60:3b:e7:dd:6b:52:e9:81
Subject Alt Names developer.apple.com docs.developer.apple.com developers.apple.com docs-assets.developer.apple.com
Last Checked 2026-04-22 09:57:12
Latest HTTP Response Details
Final URL https://developer.apple.com/
Status Code 200
Response Time 35 ms
Content Size 95 KB (95.3 KB)
Content Type text/html
Server Apple
TLS Version TLSv1.3
TLS Cipher TLS_AES_256_GCM_SHA384
Redirects 0
Checked 2026-04-22 09:57:10
Email Security Posture
MX Records
SPF
DMARC
BIMI
MTA-STS
Weak
Overall
DNS & Network
DNS Intelligence (24h)
Avg Resolution
9.7 ms
Min / Max
4.4 / 15.1 ms
Record Types
4
Lookups (24h)
56
DNS Records
A
17.253.125.202 17.253.125.203
1s 4.7ms
AAAA
2620:149:a09:f000::3 2620:149:a09:f100::2
15s 12.1ms
CNAME
developer-cdn.apple.com.akadns.net
1s 1.2ms
PTR
usbos3-vip-bx-002.aaplimg.com
3600s 72.9ms
DNS Propagation Inconsistent
Resolver IPs Returned Response Time Status
Quad9 17.253.125.201 17.253.125.203 23.47ms
Google 17.253.125.201 17.253.125.203 20.44ms
AdGuard 17.253.7.131 17.253.7.138 440.24ms
OpenDNS 17.253.125.202 17.253.125.203 17.57ms
Cloudflare 17.253.125.203 17.253.125.204 9.77ms
WHOIS / Domain Registration
Registrar
NOM-IQ Ltd dba Com Laude
Registrant Organization
Apple Inc.
Created
1987-02-19
Updated
2026-02-09
Expires
2027-02-20
Name Servers (WHOIS)
a.ns.apple.com b.ns.apple.com c.ns.apple.com d.ns.apple.com
Domain Status
clientDeleteProhibited clientTransferProhibited clientUpdateProhibited serverDeleteProhibited serverTransferProhibited serverUpdateProhibited clientDeleteProhibited clientTransferProhibited clientUpdateProhibited serverDeleteProhibited serverTransferProhibited serverUpdateProhibited
DNSSEC
Unsigned
Country
US
WHOIS Last Checked
2026-04-21 10:42
Resolution Time (A/AAAA recent)
01:08 09:57
Time Type Values TTL Resolution Nameserver
09:57:10 PTR 2620:149:a09:f100::2 3600s 72.9 ms
09:57:10 PTR 2620:149:a09:f000::3 3600s 150.2 ms
09:57:10 PTR 17.253.125.203 32623s 3.7 ms
09:57:10 PTR 17.253.125.202 2259s 1.0 ms
09:57:10 CNAME developer-cdn.apple.com.akadns.net 1s 1.2 ms 10.89.0.1
09:57:10 AAAA 2620:149:a09:f000::3 2620:149:a09:f100::2 15s 12.1 ms 10.89.0.1
09:57:10 A 17.253.125.202 17.253.125.203 1s 4.7 ms 10.89.0.1
08:34:49 PTR 2620:149:a09:f100::2 3600s 72.4 ms
08:34:49 PTR 17.253.125.204 34079s 3.9 ms
08:34:49 PTR 2620:149:a09:f000::3 3600s 83.6 ms
08:34:49 PTR 17.253.125.202 26450s 3.5 ms
08:34:49 CNAME developer-cdn.apple.com.akadns.net 14s 1.1 ms 10.89.0.1
08:34:49 AAAA 2620:149:a09:f100::2 2620:149:a09:f000::3 15s 12.5 ms 10.89.0.1
08:34:49 A 17.253.125.204 17.253.125.202 15s 10.8 ms 10.89.0.1
05:18:50 PTR 2620:149:a09:f000::1 2017s 4.9 ms
05:18:50 PTR 2620:149:a09:f000::3 3600s 284.1 ms
05:18:50 PTR 17.253.125.203 39510s 3.9 ms
05:18:50 PTR 17.253.125.201 37891s 8.5 ms
05:18:50 CNAME developer-cdn.apple.com.akadns.net 8s 1.2 ms 10.89.0.1
05:18:50 AAAA 2620:149:a09:f000::1 2620:149:a09:f000::3 15s 5.9 ms 10.89.0.1
05:18:50 A 17.253.125.203 17.253.125.201 9s 5.2 ms 10.89.0.1
02:29:38 PTR 2620:149:a09:f000::1 1653s 5.1 ms
02:29:38 PTR 2620:149:a09:f000::3 3339s 5.9 ms
02:29:38 PTR 17.253.125.203 34590s 3.6 ms
02:29:38 PTR 17.253.125.202 37323s 2.9 ms
02:29:38 CNAME developer-cdn.apple.com.akadns.net 14s 1.8 ms 10.89.0.1
02:29:38 AAAA 2620:149:a09:f000::1 2620:149:a09:f000::3 15s 12.0 ms 10.89.0.1
02:29:37 A 17.253.125.202 17.253.125.203 15s 11.8 ms 10.89.0.1
01:08:32 PTR 2620:149:a09:f000::3 2590s 6.0 ms
01:08:32 PTR 2620:149:a09:f100::4 3398s 5.4 ms
01:08:32 PTR 17.253.125.203 32966s 3.4 ms
01:08:32 PTR 17.253.125.201 32086s 4.2 ms
01:08:32 CNAME developer-cdn.apple.com.akadns.net 14s 1.3 ms 10.89.0.1
01:08:32 AAAA 2620:149:a09:f000::3 2620:149:a09:f100::4 15s 13.9 ms 10.89.0.1
01:08:32 A 17.253.125.203 17.253.125.201 15s 11.6 ms 10.89.0.1
22:14:57 PTR 2620:149:a09:f100::2 3178s 4.8 ms
22:14:56 PTR 2620:149:a09:f000::1 2520s 5.3 ms
22:14:56 PTR 17.253.125.204 41101s 3.3 ms
22:14:56 PTR 17.253.125.201 30957s 3.0 ms
22:14:56 CNAME developer-cdn.apple.com.akadns.net 14s 1.4 ms 10.89.0.1
22:14:56 AAAA 2620:149:a09:f000::1 2620:149:a09:f100::2 13s 4.4 ms 10.89.0.1
22:14:56 A 17.253.125.204 17.253.125.201 15s 11.5 ms 10.89.0.1
17:33:23 PTR 2620:149:a09:f100::2 3132s 7.7 ms
17:33:23 PTR 17.253.125.201 32003s 6.2 ms
17:33:23 PTR 2620:149:a09:f000::1 3510s 9.4 ms
17:33:23 PTR 17.253.125.202 40645s 4.4 ms
17:33:23 CNAME developer-cdn.apple.com.akadns.net 3s 1.2 ms 10.89.0.1
17:33:23 AAAA 2620:149:a09:f100::2 2620:149:a09:f000::1 15s 12.4 ms 10.89.0.1
17:33:23 A 17.253.125.202 17.253.125.201 4s 5.0 ms 10.89.0.1
16:25:24 PTR 17.253.125.204 41913s 6.3 ms
Open Ports 8
Open Ports
8
IPs Scanned
8
Port Protocol Service IP Address Status Latency Banner
80 TCP http 17.253.3.140 Open 7.4 ms
80 TCP http 2620:149:a0e:f000::1 Open 8.4 ms
80 TCP http 17.253.125.201 Open 1.4 ms
80 TCP http 2620:149:a09:f000::1 Open 3.1 ms
443 TCP https 2620:149:a09:f000::1 Open 1.8 ms
443 TCP https 17.253.3.140 Open 6.3 ms
443 TCP https 17.253.125.201 Open 4.2 ms
443 TCP https 2620:149:a0e:f000::1 Open 8.4 ms
Active IP Addresses
IP Address Version Reverse DNS CIDR Country City ASN Reputation First Seen Last DNS Hits Misses Uptime % Avg Latency
2620:149:a09:f000::3 IPv6 US Boston AS6185 Apple Inc. 2026-04-20 19:28 2026-04-22 09:57 5 0 100.0% 5.0 ms
2620:149:a09:f100::2 IPv6 usbos3-vip-bx-002.aaplimg.com 2620:149:a09::/48 US Boston AS6185 Apple Inc. Clean 2026-04-20 06:44 2026-04-22 09:57 4 0 100.0% 8.7 ms
17.253.125.203 IPv4 US Boston AS6185 Apple Inc. 2026-04-20 14:55 2026-04-22 09:57 5 0 100.0% 5.6 ms
17.253.125.202 IPv4 US Boston AS6185 Apple Inc. 2026-04-20 06:44 2026-04-22 09:57 4 0 100.0% 5.2 ms
17.253.125.204 IPv4 usbos3-vip-bx-004.aaplimg.com 17.253.125.0/24 US Boston AS6185 Apple Inc. Clean 2026-04-20 13:20 2026-04-22 08:34 3 0 100.0% 10.7 ms
2620:149:a09:f000::1 IPv6 usbos3-vip-bx-001.aaplimg.com 2620:149:a09::/48 US Boston AS6185 Apple Inc. Clean 2026-04-20 16:32 2026-04-22 05:18 5 0 100.0% 8.4 ms
17.253.125.201 IPv4 usbos3-vip-bx-001.aaplimg.com 17.253.125.0/24 US Boston AS6185 Apple Inc. Clean 2026-04-20 06:44 2026-04-22 05:18 4 0 100.0% 8.1 ms
2620:149:a09:f100::4 IPv6 US Boston AS6185 Apple Inc. 2026-04-20 06:44 2026-04-22 01:08 2 0 100.0% 6.2 ms
2620:149:a0e:f000::1 IPv6 usewr1-vip-bx-001.aaplimg.com 2620:149:a0e::/48 US Newark AS6185 Apple Inc. Clean 2026-04-19 18:44 2026-04-20 08:55 0 0
2620:149:a0e:f000::5 IPv6 US Newark AS6185 Apple Inc. 2026-04-19 17:57 2026-04-20 08:55 0 0
17.253.3.145 IPv4 US New York AS6185 Apple Inc. 2026-04-20 08:55 2026-04-20 08:55 0 0
17.253.3.135 IPv4 US New York AS6185 Apple Inc. 2026-04-20 08:55 2026-04-20 08:55 0 0
2620:149:a0e:f100::4 IPv6 usewr1-vip-bx-004.aaplimg.com 2620:149:a0e::/48 US Newark AS6185 Apple Inc. Clean 2026-04-19 16:48 2026-04-20 03:40 0 0
17.253.3.137 IPv4 usnyc3-vip-fx-104.a.aaplimg.com 17.253.3.0/24 US New York AS6185 Apple Inc. Clean 2026-04-19 17:15 2026-04-20 03:40 0 0
17.253.3.140 IPv4 usnyc3-vip-fx-105.b.aaplimg.com 17.253.3.0/24 US New York AS6185 Apple Inc. Clean 2026-04-19 22:25 2026-04-20 03:40 0 0
2620:149:a33:f000::146 IPv6 US New York AS6185 Apple Inc. 2026-04-19 23:51 2026-04-19 23:51 0 0
2620:149:a33:f000::138 IPv6 US New York AS6185 Apple Inc. 2026-04-19 23:51 2026-04-19 23:51 0 0
17.253.97.206 IPv4 US Newark AS6185 Apple Inc. 2026-04-19 16:48 2026-04-19 23:51 0 0
17.253.97.204 IPv4 US Newark AS6185 Apple Inc. 2026-04-19 20:54 2026-04-19 23:51 0 0
2620:149:a0e:f100::2 IPv6 US Newark AS6185 Apple Inc. 2026-04-19 18:44 2026-04-19 22:25 0 0
17.253.3.131 IPv4 US New York AS6185 Apple Inc. 2026-04-19 22:25 2026-04-19 22:25 0 0
2620:149:a33:f000::135 IPv6 US New York AS6185 Apple Inc. 2026-04-19 20:54 2026-04-19 20:54 0 0
2620:149:a33:f000::136 IPv6 US New York AS6185 Apple Inc. 2026-04-19 20:54 2026-04-19 20:54 0 0
17.253.97.205 IPv4 US Newark AS6185 Apple Inc. 2026-04-19 20:54 2026-04-19 20:54 0 0
17.253.3.142 IPv4 US New York AS6185 Apple Inc. 2026-04-19 18:44 2026-04-19 18:44 0 0
17.253.3.133 IPv4 US New York AS6185 Apple Inc. 2026-04-19 18:44 2026-04-19 18:44 0 0
2620:149:a0e:f000::3 IPv6 US Newark AS6185 Apple Inc. 2026-04-19 17:57 2026-04-19 17:57 0 0
17.253.97.203 IPv4 US Newark AS6185 Apple Inc. 2026-04-19 17:57 2026-04-19 17:57 0 0
17.253.97.202 IPv4 US Newark AS6185 Apple Inc. 2026-04-19 17:57 2026-04-19 17:57 0 0
2620:149:a0e:f100::6 IPv6 US Newark AS6185 Apple Inc. 2026-04-19 16:48 2026-04-19 17:15 0 0
17.253.3.132 IPv4 US New York AS6185 Apple Inc. 2026-04-19 17:15 2026-04-19 17:15 0 0
17.253.97.201 IPv4 US Newark AS6185 Apple Inc. 2026-04-19 16:48 2026-04-19 16:48 0 0
Technology
Technology Stack 6 detected
HTTP/2
HTTP/3 (QUIC)
6
Technologies
CDN 1
CNAME record: developer-cdn.apple.com.akadns.net
Library 2
Quicklink prefetching
70%
jQuery versioned script
SEO 1
Schema.org structured data
Social 2
Open Graph meta tags
Twitter Card meta
Discovery
Crawl Configuration
robots.txt No sitemap
robots.txt 12 disallow · 0 allow · 1 agent
User-Agent Directive Path / Value
* Disallow /click/
* Disallow /cgi-bin/
* Disallow /survey/
* Disallow /temp/
* Disallow /search/
* Disallow /unsubscribe/
* Disallow /reference/
* Disallow /forums/create/question
* Disallow /forums/login
* Disallow /forums/preferences
* Disallow /forums/profile
* Disallow /forums/*?view
# robots.txt for http://developer.apple.com/
User-agent: *
Disallow: /click/
Disallow: /cgi-bin/
Disallow: /survey/
Disallow: /temp/
Disallow: /search/
Disallow: /unsubscribe/
Disallow: /reference/

# Rules for Developer Forums

Disallow: /forums/create/question
Disallow: /forums/login
Disallow: /forums/preferences
Disallow: /forums/profile
Disallow: /forums/*?view
Sitemap

No sitemap discovered.
Checked /robots.txt, /sitemap.xml, and /sitemap_index.xml

Discovered Sub-domains 18
Wordlist Brute-force 8 Certificate Transparency 10
Subdomain Source Status Code Response IPs Last Checked
api.developer.apple.com Wordlist Brute-force Pending Never
api.enterprise.developer.apple.com Certificate Transparency Pending Never
docs-assets.developer.apple.com Certificate Transparency Pending Never
docs.developer.apple.com Wordlist Brute-force Pending Never
download.developer.apple.com Wordlist Brute-force Pending Never
forums.developer.apple.com Certificate Transparency Pending Never
icloud-future-preview.developer.apple.com Certificate Transparency Pending Never
icloud-future.developer.apple.com Certificate Transparency Pending Never
icloud.developer.apple.com Certificate Transparency Pending Never
maps.developer.apple.com Wordlist Brute-force Pending Never
ml.developer.apple.com Wordlist Brute-force Pending Never
orums.developer.apple.com Certificate Transparency Pending Never
partners.developer.apple.com Wordlist Brute-force Pending Never
sa-carry.developer.apple.com Certificate Transparency Pending Never
sa-config.developer.apple.com Certificate Transparency Pending Never
sa.developer.apple.com Certificate Transparency Pending Never
search.developer.apple.com Wordlist Brute-force Pending Never
www.developer.apple.com Wordlist Brute-force Pending Never