ctbt.net - robtex.com

ctbt.net

DNSSEC⚠️ Not signed
A2606:4700:3036::ac43:aa95🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:4785🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.71.133Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.170.149🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdemi.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a5f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdemi.ns.cloudflare.com
A2803:f800:50::6ca2:c05f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdemi.ns.cloudflare.com
A2a06:98c1:50::ac40:205f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdemi.ns.cloudflare.com
A108.162.192.95🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdemi.ns.cloudflare.com
A172.64.32.95🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdemi.ns.cloudflare.com
A173.245.58.95🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdemi.ns.cloudflare.com
NSmark.ns.cloudflare.com
A2606:4700:58::adf5:3b82🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmark.ns.cloudflare.com
A2803:f800:50::6ca2:c182🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmark.ns.cloudflare.com
A2a06:98c1:50::ac40:2182🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmark.ns.cloudflare.com
A108.162.193.130🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmark.ns.cloudflare.com
A172.64.33.130🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmark.ns.cloudflare.com
A173.245.59.130🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmark.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.71.133, 172.67.170.149
IPv6 hints2606:4700:3036::ac43:aa95, 2606:4700:3037::6815:4785
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=217, name=cloudflare-ech.com
SOAdemi.ns.cloudflare.comdns@cloudflare.com serial=2411454882

net

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=1786542129

Same first word

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ttbc.cc
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bctt.edu.vn
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tbtc.ge
cbtt.org
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ttbc.us
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tbtc.net
bttc.co.in
ttbc.com
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tbct.com.cn
tbtc.com.au
btct.vn
ttbc.org.za
bctt.co.uk
bctt.org
cbtt.co
btct.de

DNS History

11 records (6 active, 5 former)

NSdemi.ns.cloudflare.commark.ns.cloudflare.comA104.21.71.133172.67.170.1492606:4700:3036::ac43:aa952606:4700:3037::6815:4785188.114.96.0188.114.97.02606:4700:3031::6815:47852a06:98c1:3120::2a06:98c1:3121::
●NSdemi.ns.cloudflare.com2026-05-22 → 2026-08-12 · 2 obs
● 2026-05-22 01:29:18
● 2026-08-12 14:11:30
●NSmark.ns.cloudflare.com2026-05-22 → 2026-08-12 · 2 obs
● 2026-05-22 01:29:18
● 2026-08-12 14:11:30
●A104.21.71.1332026-06-02 → 2026-08-12 · 9 obs
○ 2026-05-22 01:29:18
● 2026-06-02 07:40:02
● 2026-06-08 18:15:54
○ 2026-06-10 20:39:36
○ 2026-06-14 11:23:48
● 2026-06-27 11:01:46
○ 2026-07-28 04:31:12
● 2026-08-12 14:11:28
● 2026-08-12 14:11:30
●A172.67.170.1492026-06-02 → 2026-08-12 · 9 obs
○ 2026-05-22 01:29:18
● 2026-06-02 07:40:02
● 2026-06-08 18:15:54
○ 2026-06-10 20:39:36
○ 2026-06-14 11:23:48
● 2026-06-27 11:01:46
○ 2026-07-28 04:31:12
● 2026-08-12 14:11:28
● 2026-08-12 14:11:30
○A188.114.96.02026-05-22 → 2026-07-28 · 9 obs
● 2026-05-22 01:29:18
○ 2026-06-02 07:40:02
○ 2026-06-08 18:15:54
● 2026-06-10 20:39:36
● 2026-06-14 11:23:48
○ 2026-06-27 11:01:46
● 2026-07-28 04:31:12
○ 2026-08-12 14:11:28
○ 2026-08-12 14:11:30
○A188.114.97.02026-05-22 → 2026-07-28 · 9 obs
● 2026-05-22 01:29:18
○ 2026-06-02 07:40:02
○ 2026-06-08 18:15:54
● 2026-06-10 20:39:36
● 2026-06-14 11:23:48
○ 2026-06-27 11:01:46
● 2026-07-28 04:31:12
○ 2026-08-12 14:11:28
○ 2026-08-12 14:11:30
○A2606:4700:3031::6815:47852026-06-02 → 2026-06-08 · 5 obs
○ 2026-05-22 01:29:18
● 2026-06-02 07:40:02
● 2026-06-08 18:15:54
○ 2026-06-10 20:39:36
○ 2026-08-12 14:11:30
●A2606:4700:3036::ac43:aa952026-06-02 → 2026-08-12 · 9 obs
○ 2026-05-22 01:29:18
● 2026-06-02 07:40:02
● 2026-06-08 18:15:54
○ 2026-06-10 20:39:36
○ 2026-06-14 11:23:48
● 2026-06-27 11:01:46
○ 2026-07-28 04:31:12
● 2026-08-12 14:11:28
● 2026-08-12 14:11:30
●A2606:4700:3037::6815:47852026-06-27 → 2026-08-12 · 5 obs
○ 2026-06-14 11:23:48
● 2026-06-27 11:01:46
○ 2026-07-28 04:31:12
● 2026-08-12 14:11:28
● 2026-08-12 14:11:30
○A2a06:98c1:3120::2026-05-22 → 2026-07-28 · 9 obs
● 2026-05-22 01:29:18
○ 2026-06-02 07:40:02
○ 2026-06-08 18:15:54
● 2026-06-10 20:39:36
● 2026-06-14 11:23:48
○ 2026-06-27 11:01:46
● 2026-07-28 04:31:12
○ 2026-08-12 14:11:28
○ 2026-08-12 14:11:30
○A2a06:98c1:3121::2026-05-22 → 2026-07-28 · 9 obs
● 2026-05-22 01:29:18
○ 2026-06-02 07:40:02
○ 2026-06-08 18:15:54
● 2026-06-10 20:39:36
● 2026-06-14 11:23:48
○ 2026-06-27 11:01:46
● 2026-07-28 04:31:12
○ 2026-08-12 14:11:28
○ 2026-08-12 14:11:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netl.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...-
ctbt.netmark.ns.cloudflare.com, demi.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.95

NS records: mark.ns.cloudflare.com, demi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctbt.net (unsigned zone)

⏱️ Timing

Total: 490ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.170.149, 104.21.71.133
AAAA22606:4700:3037::6815:4785, 2606:4700:3036::ac43:aa95
NS2demi.ns.cloudflare.com, mark.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1demi.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

ctbt.net directs to four IP numbers, which are 104.21.71.133, 172.67.170.149, 2606:4700:3036::ac43:aa95 and 2606:4700:3037::6815:4785.

Among the host names that share IP numbers with ctbt.net are steeamcommunlty.com, sellin.app, ledger-vault.com and two others.

Name Servers

The NS records for ctbt.net delegate to demi.ns.cloudflare.com and mark.ns.cloudflare.com.

ctbt.net has the same name server delegation as a number of other domains, such as sefas.org.br, eildagroup.com, distribuidorasantalucia.com.br and two more.

At least some of ctbt.net's name servers are shared with other domains, for example cdoautopartes.com.mx, atogllc.com, shouldiblockit.com and two more.

Host names resolving to 6 IP numbers:

demi.ns.cloudflare.com maps to 108.162.192.95, 172.64.32.95, 173.245.58.95 and 3 additional IP addresses.

mark.ns.cloudflare.com maps to 108.162.193.130, 172.64.33.130, 173.245.59.130 and 3 additional IP addresses.