doc.ubuntu-es.org - robtex.com

doc.ubuntu-es.org

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:3231🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:9d1c🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.50.49Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.157.28🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.50.49, 172.67.157.28
IPv6 hints2606:4700:3031::6815:3231, 2606:4700:3031::ac43:9d1c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=198, name=cloudflare-ech.com

ubuntu-es.org

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:3231🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:9d1c🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.50.49Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.157.28🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSernest.ns.cloudflare.com ⭐
NSlaila.ns.cloudflare.com
TXTgoogle-site-verification=kUNauHdzLnai-9Rt13APrEpR88BUV5Uv2mwZkXLRcug
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.50.49, 172.67.157.28
IPv6 hints2606:4700:3031::6815:3231, 2606:4700:3031::ac43:9d1c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=198, name=cloudflare-ech.com
SOAernest.ns.cloudflare.comdns@cloudflare.com serial=2400087391
WOT: SAFE (94/100)
rank #256703 globally
rank #18210 in the tld
WOT: SAFE (94/100)
📈 Tranco rank: #947,314

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DNS History

9 records (4 active, 5 former)

20162017201820192020202120222023202420252026A104.21.50.49172.67.157.282606:4700:3031::6815:32312606:4700:3031::ac43:9d1c150.128.97.77188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●A104.21.50.492026-04-05 → 2026-05-13 · 3 obs
○ 2015-12-07 00:04:02
● 2026-04-05 12:14:30
● 2026-05-13 07:54:22
○A150.128.97.772015-08-14 → 2015-08-14 · 3 obs
● 2015-08-14 13:42:54
○ 2015-12-07 00:04:02
○ 2026-05-13 07:54:22
●A172.67.157.282026-04-05 → 2026-05-13 · 3 obs
○ 2015-12-07 00:04:02
● 2026-04-05 12:14:30
● 2026-05-13 07:54:22
○A188.114.96.02026-04-05 → 2026-05-13 · 2 obs
○ 2026-04-05 12:14:30
○ 2026-05-13 07:54:22
○A188.114.97.02026-04-05 → 2026-05-13 · 2 obs
○ 2026-04-05 12:14:30
○ 2026-05-13 07:54:22
●A2606:4700:3031::6815:32312026-04-05 → 2026-05-13 · 3 obs
○ 2015-12-07 00:04:02
● 2026-04-05 12:14:30
● 2026-05-13 07:54:22
●A2606:4700:3031::ac43:9d1c2026-04-05 → 2026-05-13 · 3 obs
○ 2015-12-07 00:04:02
● 2026-04-05 12:14:30
● 2026-05-13 07:54:22
○A2a06:98c1:3120::2026-04-05 → 2026-05-13 · 2 obs
○ 2026-04-05 12:14:30
○ 2026-05-13 07:54:22
○A2a06:98c1:3121::2026-04-05 → 2026-05-13 · 2 obs
○ 2026-04-05 12:14:30
○ 2026-05-13 07:54:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
ubuntu-es.orgernest.ns.cloudflare.com, laila.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.164

NS records: ernest.ns.cloudflare.com, laila.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ubuntu-es.org (unsigned zone)

⏱️ Timing

Total: 331ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.157.28, 104.21.50.49
AAAA22606:4700:3031::ac43:9d1c, 2606:4700:3031::6815:3231
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

doc.ubuntu-es.org resolves to four IP numbers: 2606:4700:3031::6815:3231, 2606:4700:3031::ac43:9d1c, 104.21.50.49 and 172.67.157.28.

Other host names such as member.pak168.io, telishop.com, asiataipan99.com, mail.dietworld.com.sa and 0979z.cn share IPs with doc.ubuntu-es.org.