mail.ub.tc - robtex.com

mail.ub.tc

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:4ad2🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:a2e8🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.74.210Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.162.232🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.74.210, 172.67.162.232
IPv6 hints2606:4700:3032::6815:4ad2, 2606:4700:3033::ac43:a2e8
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=242, name=cloudflare-ech.com

ub.tc

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:4ad2🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:a2e8🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.74.210Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.162.232🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSarvind.ns.cloudflare.com ⭐
NSnucum.ns.cloudflare.com
MX_dc-mx.c69465e38302.ub.tc ⭐
TXTv=spf1 +a +mx +a:localhost.local -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.74.210, 172.67.162.232
IPv6 hints2606:4700:3032::6815:4ad2, 2606:4700:3033::ac43:a2e8
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=242, name=cloudflare-ech.com
SOAarvind.ns.cloudflare.comdns@cloudflare.com serial=2408567348

Previously MX for

ub.tc

Same first word

mail.in-brb.de
mail.ro
mail.com.hk
mail.neustar
mail.ao
mail.pw
mail.broker
mail.school
mail.land
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mail.fage
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mila.online

DNS History

14 records (4 active, 10 former)

20162017201820192020202120222023202420252026NSajay.ns.cloudflare.commaya.ns.cloudflare.comMXmxa.mailgun.orgmxb.mailgun.orgA104.21.74.210172.67.162.2322606:4700:3032::6815:4ad22606:4700:3033::ac43:a2e8104.31.94.47104.31.95.47203.86.232.612400:cb00:2048:1::681f:5e2f2400:cb00:2048:1::681f:5f2fCNAMEib.tc
○NSajay.ns.cloudflare.com2015-11-13 → 2016-07-09 · 4 obs
● 2015-11-13 12:32:50
● 2016-07-09 02:42:02
○ 2026-05-11 10:21:24
○ 2026-08-06 03:00:26
○NSmaya.ns.cloudflare.com2015-11-13 → 2016-07-09 · 4 obs
● 2015-11-13 12:32:50
● 2016-07-09 02:42:02
○ 2026-05-11 10:21:24
○ 2026-08-06 03:00:26
○MXmxa.mailgun.org2015-11-13 → 2016-07-09 · 4 obs
● 2015-11-13 12:32:50
● 2016-07-09 02:42:02
○ 2026-05-11 10:21:24
○ 2026-08-06 03:00:26
○MXmxb.mailgun.org2015-11-13 → 2016-07-09 · 4 obs
● 2015-11-13 12:32:50
● 2016-07-09 02:42:02
○ 2026-05-11 10:21:24
○ 2026-08-06 03:00:26
●A104.21.74.2102026-08-06 → 2026-08-06 · 2 obs
○ 2026-06-13 10:13:56
● 2026-08-06 03:00:26
○A104.31.94.472015-07-09 → 2016-07-09 · 4 obs
● 2015-07-09 17:58:34
● 2016-07-09 02:42:02
○ 2026-05-11 10:21:24
○ 2026-08-06 03:00:26
○A104.31.95.472015-07-09 → 2016-07-09 · 4 obs
● 2015-07-09 17:58:34
● 2016-07-09 02:42:02
○ 2026-05-11 10:21:24
○ 2026-08-06 03:00:26
●A172.67.162.2322026-08-06 → 2026-08-06 · 2 obs
○ 2026-06-13 10:13:56
● 2026-08-06 03:00:26
○A203.86.232.612026-05-11 → 2026-06-13 · 4 obs
○ 2016-07-09 02:42:02
● 2026-05-11 10:21:24
● 2026-06-13 10:13:56
○ 2026-08-06 03:00:26
○A2400:cb00:2048:1::681f:5e2f2015-07-09 → 2016-07-09 · 4 obs
● 2015-07-09 17:58:34
● 2016-07-09 02:42:02
○ 2026-05-11 10:21:24
○ 2026-08-06 03:00:26
○A2400:cb00:2048:1::681f:5f2f2015-07-09 → 2016-07-09 · 4 obs
● 2015-07-09 17:58:34
● 2016-07-09 02:42:02
○ 2026-05-11 10:21:24
○ 2026-08-06 03:00:26
●A2606:4700:3032::6815:4ad22026-08-06 → 2026-08-06 · 2 obs
○ 2026-06-13 10:13:56
● 2026-08-06 03:00:26
●A2606:4700:3033::ac43:a2e82026-08-06 → 2026-08-06 · 2 obs
○ 2026-06-13 10:13:56
● 2026-08-06 03:00:26
○CNAMEib.tc2015-07-09 → 2016-07-09 · 4 obs
● 2015-07-09 17:58:34
● 2016-07-09 02:42:02
○ 2026-05-11 10:21:24
○ 2026-08-06 03:00:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
tcroot8.zone.tc, root4.zone.tc, root3.zone.tc, root1.zone.tc...12 records
ub.tcarvind.ns.cloudflare.com, nucum.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.227

NS records: arvind.ns.cloudflare.com, nucum.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ub.tc (unsigned zone)

⏱️ Timing

Total: 2213ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.162.232, 104.21.74.210
AAAA22606:4700:3033::ac43:a2e8, 2606:4700:3032::6815:4ad2
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (root8.zone.tc, root8.zone.tc, root4.zone.tc...)

Analysis

IP Addresses

mail.ub.tc resolves to four IP addresses: 104.21.74.210, 172.67.162.232, 2606:4700:3032::6815:4ad2 and 2606:4700:3033::ac43:a2e8.

balikpapantv.co.id, 7starhd.betwaymoney.ch, nvcasinobonus.org and two other host names share IP numbers with mail.ub.tc.