51tbt.com - robtex.com

51tbt.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:d9ed🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:4612🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.70.18Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.217.237🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSeric.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b70🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReric.ns.cloudflare.com
A2803:f800:50::6ca2:c170🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTReric.ns.cloudflare.com
A2a06:98c1:50::ac40:2170🇺🇸 Cloudflare2a06:98c1:50::/45
PTReric.ns.cloudflare.com
A108.162.193.112🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReric.ns.cloudflare.com
A172.64.33.112🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReric.ns.cloudflare.com
A173.245.59.112🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReric.ns.cloudflare.com
NSgina.ns.cloudflare.com
A2606:4700:50::adf5:3a75🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgina.ns.cloudflare.com
A2803:f800:50::6ca2:c075🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgina.ns.cloudflare.com
A2a06:98c1:50::ac40:2075🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgina.ns.cloudflare.com
A108.162.192.117🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgina.ns.cloudflare.com
A172.64.32.117🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgina.ns.cloudflare.com
A173.245.58.117🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgina.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.70.18, 172.67.217.237
IPv6 hints2606:4700:3030::ac43:d9ed, 2606:4700:3031::6815:4612
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=75, name=cloudflare-ech.com
SOAeric.ns.cloudflare.comdns@cloudflare.com serial=2399136115

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1777068001

Same first word

51tbt.com

Similar names

ttb15.com

DNS History

8 records (6 active, 2 former)

20162017201820192020202120222023202420252026NSeric.ns.cloudflare.comgina.ns.cloudflare.comns3.cnolnic.comns4.cnolnic.comA104.21.70.18172.67.217.2372606:4700:3030::ac43:d9ed2606:4700:3031::6815:4612
●NSeric.ns.cloudflare.com2026-04-20 → 2026-04-24 · 3 obs
○ 2017-02-01 12:45:56
● 2026-04-20 05:55:18
● 2026-04-24 22:21:26
●NSgina.ns.cloudflare.com2026-04-20 → 2026-04-24 · 3 obs
○ 2017-02-01 12:45:56
● 2026-04-20 05:55:18
● 2026-04-24 22:21:26
○NSns3.cnolnic.com2015-05-17 → 2016-04-27 · 4 obs
● 2015-05-17 01:53:38
● 2016-04-27 00:22:48
○ 2017-02-01 12:45:56
○ 2026-04-24 22:21:26
○NSns4.cnolnic.com2015-05-17 → 2016-04-27 · 4 obs
● 2015-05-17 01:53:38
● 2016-04-27 00:22:48
○ 2017-02-01 12:45:56
○ 2026-04-24 22:21:26
●A104.21.70.182026-04-20 → 2026-04-24 · 2 obs
● 2026-04-20 05:55:18
● 2026-04-24 22:21:26
●A172.67.217.2372026-04-20 → 2026-04-24 · 2 obs
● 2026-04-20 05:55:18
● 2026-04-24 22:21:26
●A2606:4700:3030::ac43:d9ed2026-04-20 → 2026-04-24 · 2 obs
● 2026-04-20 05:55:18
● 2026-04-24 22:21:26
●A2606:4700:3031::6815:46122026-04-20 → 2026-04-24 · 2 obs
● 2026-04-20 05:55:18
● 2026-04-24 22:21:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net...-
51tbt.comeric.ns.cloudflare.com, gina.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.112

NS records: eric.ns.cloudflare.com, gina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51tbt.com (unsigned zone)

⏱️ Timing

Total: 237ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.217.237, 104.21.70.18
AAAA22606:4700:3031::6815:4612, 2606:4700:3030::ac43:d9ed
NS2eric.ns.cloudflare.com, gina.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1eric.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

51tbt.com points to four IP numbers: 2606:4700:3030::ac43:d9ed, 2606:4700:3031::6815:4612, 104.21.70.18 and 172.67.217.237.

Other host names including ichr.cn, escalope.net, xcasinoclub.ru.com, teiegpssqq.club and xtrn.net share IP numbers with 51tbt.com.

Name Servers

51tbt.com's delegation uses two name servers, eric.ns.cloudflare.com and gina.ns.cloudflare.com.

51tbt.com shares the same name server setup as other domains, for example renewt.com, alqabas.net, highrich.net, tudotemsignificado.com and jpu.dk.

51tbt.com at least partially shares name servers with other domains, including mulcahy.org, promosyonalemi.com, wikplayer.com, teriux.com and snappow.com.

these name servers are commonly used with anderson.ns.cloudflare.com, pablo.ns.cloudflare.com, anna.ns.cloudflare.com and lucy.ns.cloudflare.com.

Host names with six IP numbers:

eric.ns.cloudflare.com points to: 2606:4700:58::adf5:3b70, 2803:f800:50::6ca2:c170, 2a06:98c1:50::ac40:2170, 108.162.193.112, 172.64.33.112 and 173.245.59.112.

gina.ns.cloudflare.com points to: 2606:4700:50::adf5:3a75, 2803:f800:50::6ca2:c075, 2a06:98c1:50::ac40:2075, 108.162.192.117, 172.64.32.117 and 173.245.58.117.