ar.cppreference.com - dns.ninja

`ar.cppreference.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:bcef^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:3924^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.57.36^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.188.239^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.57.36, 172.67.188.239
		IPv6 hints	2606:4700:3030::ac43:bcef, 2606:4700:3035::6815:3924
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=169, name=cloudflare-ech.com

`cppreference.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:bcef^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:3924^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.57.36^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.188.239^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`isabel.ns.cloudflare.com` ⭐
NS	`jake.ns.cloudflare.com`
TXT	`v=spf1 ip4:195.201.94.168 ip6:2a01:4f8:1c1a:2e70::1 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.57.36, 172.67.188.239
		IPv6 hints	2606:4700:3030::ac43:bcef, 2606:4700:3035::6815:3924
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=169, name=cloudflare-ech.com
SOA	`isabel.ns.cloudflare.com`dns@cloudflare.com serial=2402535701

WOT: SAFE (93/100)
rank #6190 globally
rank #3051 in the tld
WOT: SAFE (93/100)
📈 Tranco rank: #20,414

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DNS History

7 records (4 active, 3 former)

●A104.21.57.362026-04-18 → 2026-06-13 · 3 obs

○ 2026-04-06 08:00:02
● 2026-04-18 09:44:36
● 2026-06-13 18:26:58

●A172.67.188.2392026-04-18 → 2026-06-13 · 3 obs

○ 2026-04-06 08:00:02
● 2026-04-18 09:44:36
● 2026-06-13 18:26:58

○A208.80.6.1372026-03-07 → 2026-04-06 · 5 obs

○ 2017-01-13 17:45:40
● 2026-03-07 04:49:42
● 2026-04-06 08:00:02
○ 2026-04-18 09:44:36
○ 2026-06-13 18:26:58

○A2604:4f00::3:0:1238:12026-03-07 → 2026-04-06 · 5 obs

○ 2017-01-13 17:45:40
● 2026-03-07 04:49:42
● 2026-04-06 08:00:02
○ 2026-04-18 09:44:36
○ 2026-06-13 18:26:58

●A2606:4700:3030::ac43:bcef2026-04-18 → 2026-06-13 · 3 obs

○ 2026-04-06 08:00:02
● 2026-04-18 09:44:36
● 2026-06-13 18:26:58

●A2606:4700:3035::6815:39242026-04-18 → 2026-06-13 · 3 obs

○ 2026-04-06 08:00:02
● 2026-04-18 09:44:36
● 2026-06-13 18:26:58

○A74.114.88.1392017-01-13 → 2017-01-13 · 3 obs

● 2017-01-13 17:45:40
○ 2026-03-07 04:49:42
○ 2026-06-13 18:26:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cppreference.com	jake.ns.cloudflare.com, isabel.ns.cloudflare.com	-

✅ 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: 694ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.188.239, 104.21.57.36`
AAAA	2	`2606:4700:3030::ac43:bcef, 2606:4700:3035::6815:3924`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

ar.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.

melanappen.com, www.inwheelhouse.com, spjnetwork.org plus two other host names have IP numbers in common with ar.cppreference.com.