ctbt.info - robtex.com

ctbt.info

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:520a🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:a786🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.82.10Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.167.134🇺🇸 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 hints104.21.82.10, 172.67.167.134
IPv6 hints2606:4700:3030::6815:520a, 2606:4700:3037::ac43:a786
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=192, name=cloudflare-ech.com
SOAdemi.ns.cloudflare.comdns@cloudflare.com serial=2408582303

info

DNSSEC🔒 Signed (DS record present)
NSa0.info.afilias-nst.info ⭐
NSa2.info.afilias-nst.info
NSb0.info.afilias-nst.org ⚠️ Not in parent delegation
NSb2.info.afilias-nst.org ⚠️ Not in parent delegation
NSc0.info.afilias-nst.info
NSd0.info.afilias-nst.org ⚠️ Not in parent delegation
SOAa0.info.afilias-nst.infohostmaster@donuts.email serial=1786588361

Same first word

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ctbt.cz
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ctbt.tv
ctbt.info
ctbt.biz

Similar names

ttbc.cc
tbtc.ru
bctt.edu.vn
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cttb.nl
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tbtc.ge
cbtt.org
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ttbc.us
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btct.vn
ttbc.org.za
bctt.co.uk
bctt.org
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tbtc.fr
cbtt.de
bttc.ca
cbtt.ru
ttbc.de
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bttc.ac.zw
cbtt.jp
bttc.ru
tbtc.ca
tbtc.network
bctt.org.nz
cbtt.org.br
bttc.cn
btct.kr
bctt.eu
cttb.net
cttb.fr
tcbt.com
cttb.com
ttbc.fi
tbtc.eu
tcbt.de
tcbt.ru
bttc.edu
bctt.net
tbtc.es
cttb.ws
bctt.jp
bttc.online
btct.net
btct.com
tctb.nl
tbtc.us
cbtt.sk
bttc.us
tbtc.de
ttbc.dk
tbtc.org
tbct.cn
tbtc.me
bttc.edu.bb
bttc.co.uk
ttbc.net
bctt.com
bttc.de
bttc.edu.cn
ttbc.edu.tt
bttc.org.cn
tbtc.ir
tbtc.nl
bctt.de
tbtc.com.br
ttbc.org
tbtc.cn
tcbt.org
tcbt.fr
ttcb.net
cbtt.com
ttbc.info
bttc.ch
btct.in
btct.ru
bttc.com.cn
tbct.com
bttc.net
tbtc.com.my
ttbc.com.tw

DNS History

8 records (6 active, 2 former)

NSdemi.ns.cloudflare.commark.ns.cloudflare.comA104.21.82.10172.67.167.1342606:4700:3030::6815:520a2606:4700:3037::ac43:a7862606:4700:3033::6815:520a2606:4700:3036::ac43:a786
●NSdemi.ns.cloudflare.com2026-06-15 → 2026-08-13 · 2 obs
● 2026-06-15 12:34:56
● 2026-08-13 02:59:36
●NSmark.ns.cloudflare.com2026-06-15 → 2026-08-13 · 2 obs
● 2026-06-15 12:34:56
● 2026-08-13 02:59:36
●A104.21.82.102026-06-15 → 2026-08-13 · 2 obs
● 2026-06-15 12:34:56
● 2026-08-13 02:59:36
●A172.67.167.1342026-06-15 → 2026-08-13 · 2 obs
● 2026-06-15 12:34:56
● 2026-08-13 02:59:36
●A2606:4700:3030::6815:520a2026-07-08 → 2026-08-13 · 3 obs
○ 2026-06-15 12:34:56
● 2026-07-08 02:54:46
● 2026-08-13 02:59:36
○A2606:4700:3033::6815:520a2026-06-15 → 2026-06-15 · 3 obs
● 2026-06-15 12:34:56
○ 2026-07-08 02:54:46
○ 2026-08-13 02:59:36
○A2606:4700:3036::ac43:a7862026-06-15 → 2026-06-15 · 3 obs
● 2026-06-15 12:34:56
○ 2026-07-08 02:54:46
○ 2026-08-13 02:59:36
●A2606:4700:3037::ac43:a7862026-07-08 → 2026-08-13 · 3 obs
○ 2026-06-15 12:34:56
● 2026-07-08 02:54:46
● 2026-08-13 02:59:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
infoa2.info.afilias-nst.info, a0.info.afilias-nst.info, c0.info.afilias-nst.info-
ctbt.infodemi.ns.cloudflare.com, mark.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.130

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctbt.info (unsigned zone)

⏱️ Timing

Total: 571ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.167.134, 104.21.82.10
AAAA22606:4700:3030::6815:520a, 2606:4700:3037::ac43:a786
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.info points to the four IP addresses 104.21.82.10, 172.67.167.134, 2606:4700:3030::6815:520a and 2606:4700:3037::ac43:a786.

Additional host names — juda4praise.com, labobycoudac.com, autheoldner.sbs and two others — share IP numbers with ctbt.info.

Name Servers

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

ctbt.info shares its name server setup with other domains, including awesomedynamic.com, topslotsite.com, resorttermasromanas.com and two others.

The name servers of ctbt.info overlap at least partially with those of other domains — among them syndeas.com, daochecking.com, clarksys.com and two more.

Host names with 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.