web.nanog.org - robtex.com

web.nanog.org

DNSSEC⚠️ Not signed
A2606:4700:10::ac42:84dc🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:10::ac42:8910🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.132.220🇺🇸 Cloudflare172.66.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.137.16🇺🇸 Cloudflare172.66.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints172.66.132.220, 172.66.137.16
IPv6 hints2606:4700:10::ac42:84dc, 2606:4700:10::ac42:8910

nanog.org

DNSSEC🔒 Signed (DS record present)
A2606:4700:10::ac42:84dc🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:10::ac42:8910🇺🇸 Cloudflare2606:4700:10::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.132.220🇺🇸 Cloudflare172.66.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.137.16🇺🇸 Cloudflare172.66.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSns1.nanog.org ⭐ ⚠️ Not in parent delegation
NSivy.ns.cloudflare.com ⚠️ Not in zone NS records
NSmario.ns.cloudflare.com ⚠️ Not in zone NS records
NSns2.nanog.org ⚠️ Not in parent delegation
NSns3.nanog.org ⚠️ Not in parent delegation
NSns4.nanog.org ⚠️ Not in parent delegation
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
MXalt4.aspmx.l.google.com(10)
TXTgoogle-site-verification=BMFYSHvhmxNf1shRzqrg8yZGxBMqeCLvVm2wjc0FhLU
TXTgoogle-site-verification=YOKDXmQW88qonSlbHOgg2mkVW871RZHHjXVHSTXO27o
TXTgoogle-site-verification=jovTqYwQVc-z7zxoV-hkMNSyk-Clbn734DtddtBzXTw
TXTgoogle-site-verification=nOkx33VVo626nrl-PaZzMRO5A9TCbBlCc6xV9E3bQqQ
TXTv=spf1 ip4:50.31.151.76 ip6:2001:1838:2001:8::20 include:mailgun.org include:...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints172.66.132.220, 172.66.137.16
IPv6 hints2606:4700:10::ac42:84dc, 2606:4700:10::ac42:8910
SOAns1.nanog.orgdns@cloudflare.com serial=2411273710
WOT: SAFE (66/100)
rank #52744 globally
rank #5559 in the tld
WOT: SAFE (84/100)
📈 Tranco rank: #179,552

PTR for

73.151.31.50.in-addr.arpa

Same first word

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DNS History

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026A172.66.132.220172.66.137.162606:4700:10::ac42:84dc2606:4700:10::ac42:89102001:1838:2001:8::950.31.151.73
●A172.66.132.2202026-03-27 → 2026-08-05 · 3 obs
○ 2016-12-22 19:09:04
● 2026-03-27 18:20:16
● 2026-08-05 15:42:58
●A172.66.137.162026-03-27 → 2026-08-05 · 3 obs
○ 2016-12-22 19:09:04
● 2026-03-27 18:20:16
● 2026-08-05 15:42:58
○A2001:1838:2001:8::92015-08-16 → 2016-12-22 · 4 obs
● 2015-08-16 22:43:58
● 2016-12-22 19:09:04
○ 2026-03-27 18:20:16
○ 2026-08-05 15:42:58
●A2606:4700:10::ac42:84dc2026-03-27 → 2026-08-05 · 3 obs
○ 2016-12-22 19:09:04
● 2026-03-27 18:20:16
● 2026-08-05 15:42:58
●A2606:4700:10::ac42:89102026-03-27 → 2026-08-05 · 3 obs
○ 2016-12-22 19:09:04
● 2026-03-27 18:20:16
● 2026-08-05 15:42:58
○A50.31.151.732015-08-16 → 2016-12-22 · 4 obs
● 2015-08-16 22:43:58
● 2016-12-22 19:09:04
○ 2026-03-27 18:20:16
○ 2026-08-05 15:42:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
nanog.orgivy.ns.cloudflare.com, mario.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.120

NS records: ivy.ns.cloudflare.com, mario.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 266ms | Queries: -

📄 Records

TypeCountSample Data
A2172.66.137.16, 172.66.132.220
AAAA22606:4700:10::ac42:8910, 2606:4700:10::ac42:84dc
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

web.nanog.org has four IP addresses: 172.66.132.220, 172.66.137.16, 2606:4700:10::ac42:84dc and 2606:4700:10::ac42:8910.

Among the host names that share IP numbers with web.nanog.org are community.nanog.org, pc.nanog.org, nanog.org and two others.