es.cppreference.com - dns.ninja

es.cppreference.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:bcef🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:3924🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.57.36Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.188.239🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.57.36, 172.67.188.239
IPv6 hints2606:4700:3030::ac43:bcef, 2606:4700:3035::6815:3924
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=157, name=cloudflare-ech.com

cppreference.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:bcef🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:3924🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.57.36Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.188.239🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSisabel.ns.cloudflare.com ⭐
NSjake.ns.cloudflare.com
TXTv=spf1 ip4:195.201.94.168 ip6:2a01:4f8:1c1a:2e70::1 -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.57.36, 172.67.188.239
IPv6 hints2606:4700:3030::ac43:bcef, 2606:4700:3035::6815:3924
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=157, name=cloudflare-ech.com
SOAisabel.ns.cloudflare.comdns@cloudflare.com serial=2402535701
WOT: SAFE (89/100)
rank #6210 globally
rank #3056 in the tld
WOT: SAFE (93/100)
📈 Tranco rank: #20,410

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DNS History

7 records (4 active, 3 former)

20162017201820192020202120222023202420252026A104.21.57.36172.67.188.2392606:4700:3030::ac43:bcef2606:4700:3035::6815:3924208.80.6.1372604:4f00::3:0:1238:174.114.88.139
●A104.21.57.362026-04-18 → 2026-06-12 · 3 obs
○ 2026-04-04 15:38:24
● 2026-04-18 09:44:36
● 2026-06-12 10:33:08
●A172.67.188.2392026-04-18 → 2026-06-12 · 3 obs
○ 2026-04-04 15:38:24
● 2026-04-18 09:44:36
● 2026-06-12 10:33:08
○A208.80.6.1372026-03-07 → 2026-04-04 · 5 obs
○ 2017-05-08 05:43:12
● 2026-03-07 04:49:42
● 2026-04-04 15:38:24
○ 2026-04-18 09:44:36
○ 2026-06-12 10:33:08
○A2604:4f00::3:0:1238:12026-03-07 → 2026-04-04 · 5 obs
○ 2017-05-08 05:43:12
● 2026-03-07 04:49:42
● 2026-04-04 15:38:24
○ 2026-04-18 09:44:36
○ 2026-06-12 10:33:08
●A2606:4700:3030::ac43:bcef2026-04-18 → 2026-06-12 · 3 obs
○ 2026-04-04 15:38:24
● 2026-04-18 09:44:36
● 2026-06-12 10:33:08
●A2606:4700:3035::6815:39242026-04-18 → 2026-06-12 · 3 obs
○ 2026-04-04 15:38:24
● 2026-04-18 09:44:36
● 2026-06-12 10:33:08
○A74.114.88.1392015-08-02 → 2017-05-08 · 4 obs
● 2015-08-02 21:26:12
● 2017-05-08 05:43:12
○ 2026-03-07 04:49:42
○ 2026-06-12 10:33:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comi.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net...-
cppreference.comjake.ns.cloudflare.com, isabel.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.104

NS records: jake.ns.cloudflare.com, isabel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cppreference.com (unsigned zone)

⏱️ Timing

Total: 294ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.188.239, 104.21.57.36
AAAA22606:4700:3035::6815:3924, 2606:4700:3030::ac43:bcef
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (jake.ns.cloudflare.com, jake.ns.cloudflare.com, jake.ns.cloudflare.com...)

Analysis

IP Addresses

es.cppreference.com points to four IP numbers: 104.21.57.36, 172.67.188.239, 2606:4700:3030::ac43:bcef and 2606:4700:3035::6815:3924.

Among the host names that share IP numbers with es.cppreference.com are rocioconesa.com, flhsmvxlmo.vip, www.dnbolt.com and two others.