ctfht.com - robtex.com

ctfht.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:2dce🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:dadc🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.45.206Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.218.220🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjustin.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bbb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjustin.ns.cloudflare.com
A2803:f800:50::6ca2:c1bb🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjustin.ns.cloudflare.com
A2a06:98c1:50::ac40:21bb🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjustin.ns.cloudflare.com
A108.162.193.187🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjustin.ns.cloudflare.com
A172.64.33.187🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjustin.ns.cloudflare.com
A173.245.59.187🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjustin.ns.cloudflare.com
NSraina.ns.cloudflare.com
A2606:4700:50::a29f:26f1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraina.ns.cloudflare.com
A2803:f800:50::6ca2:c2f1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRraina.ns.cloudflare.com
A2a06:98c1:50::ac40:22f1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRraina.ns.cloudflare.com
A108.162.194.241🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraina.ns.cloudflare.com
A162.159.38.241Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraina.ns.cloudflare.com
A172.64.34.241🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraina.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.45.206, 172.67.218.220
IPv6 hints2606:4700:3031::6815:2dce, 2606:4700:3037::ac43:dadc
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=71, name=cloudflare-ech.com
SOAjustin.ns.cloudflare.comdns@cloudflare.com serial=2405884789

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=1782786306

Same first word

ctfht.com

Similar names

htcft.com
hftct.com
cfhtt.com
tthfc.com
cftth.com
tchtf.com
hcttf.org
htftc.com
fctth.com
thtcf.com
chftt.org

DNS History

12 records (6 active, 6 former)

2017201820192020202120222023202420252026NSjustin.ns.cloudflare.comraina.ns.cloudflare.comf1g1ns1.dnspod.netf1g1ns2.dnspod.netns1.dns.comA104.21.45.206172.67.218.2202606:4700:3031::6815:2dce2606:4700:3037::ac43:dadc2606:4700:3032::ac43:dadc2606:4700:3033::6815:2dce68.64.171.164
○NSf1g1ns1.dnspod.net2016-12-19 → 2016-12-19 · 3 obs
● 2016-12-19 13:46:08
○ 2017-10-20 00:24:12
○ 2026-06-30 02:51:12
○NSf1g1ns2.dnspod.net2016-12-19 → 2016-12-19 · 3 obs
● 2016-12-19 13:46:08
○ 2017-10-20 00:24:12
○ 2026-06-30 02:51:12
●NSjustin.ns.cloudflare.com2026-06-22 → 2026-06-30 · 3 obs
○ 2017-10-20 00:24:12
● 2026-06-22 10:56:00
● 2026-06-30 02:51:12
○NSns1.dns.com2017-10-20 → 2017-10-20 · 4 obs
○ 2016-12-19 13:46:08
● 2017-10-20 00:24:12
○ 2026-06-22 10:56:00
○ 2026-06-30 02:51:12
●NSraina.ns.cloudflare.com2026-06-22 → 2026-06-30 · 3 obs
○ 2017-10-20 00:24:12
● 2026-06-22 10:56:00
● 2026-06-30 02:51:12
●A104.21.45.2062026-06-22 → 2026-06-30 · 3 obs
○ 2017-10-20 00:24:12
● 2026-06-22 10:56:00
● 2026-06-30 02:51:12
●A172.67.218.2202026-06-22 → 2026-06-30 · 3 obs
○ 2017-10-20 00:24:12
● 2026-06-22 10:56:00
● 2026-06-30 02:51:12
●A2606:4700:3031::6815:2dce2026-06-30 → 2026-06-30 · 2 obs
○ 2026-06-22 10:56:00
● 2026-06-30 02:51:12
○A2606:4700:3032::ac43:dadc2026-06-22 → 2026-06-22 · 3 obs
○ 2017-10-20 00:24:12
● 2026-06-22 10:56:00
○ 2026-06-30 02:51:12
○A2606:4700:3033::6815:2dce2026-06-22 → 2026-06-22 · 3 obs
○ 2017-10-20 00:24:12
● 2026-06-22 10:56:00
○ 2026-06-30 02:51:12
●A2606:4700:3037::ac43:dadc2026-06-30 → 2026-06-30 · 2 obs
○ 2026-06-22 10:56:00
● 2026-06-30 02:51:12
○A68.64.171.1642016-12-19 → 2016-12-19 · 3 obs
● 2016-12-19 13:46:08
○ 2017-10-20 00:24:12
○ 2026-06-30 02:51:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comc.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net...-
ctfht.comjustin.ns.cloudflare.com, raina.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.241

NS records: justin.ns.cloudflare.com, raina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctfht.com (unsigned zone)

⏱️ Timing

Total: 144ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.45.206, 172.67.218.220
AAAA22606:4700:3031::6815:2dce, 2606:4700:3037::ac43:dadc
NS2justin.ns.cloudflare.com, raina.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1justin.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

ctfht.com resolves to four IP addresses: 104.21.45.206, 172.67.218.220, 2606:4700:3031::6815:2dce and 2606:4700:3037::ac43:dadc.

Two other host names, along with bootsgrid.com, www.fredrich.de and www.radiofijitwo.com.fj, also share IP numbers with ctfht.com.

Name Servers

ctfht.com is delegated to two name servers: justin.ns.cloudflare.com and raina.ns.cloudflare.com.

ctfht.com shares its NS records with other domains, for example nhfre.com, dlfyj.com, fznao.com and two others.

ctfht.com shares at least some of its name servers with other domains, including gmf001.fun, zxyyweb.com, bingoprints.com and two others.

These name servers are frequently paired with the name servers fred.ns.cloudflare.com, arvind.ns.cloudflare.com and jocelyn.ns.cloudflare.com.

DNS names with 6 IP addresses:

justin.ns.cloudflare.com resolves to 108.162.193.187, 172.64.33.187, 173.245.59.187 and 3 other IP addresses.

raina.ns.cloudflare.com resolves to 108.162.194.241, 162.159.38.241, 172.64.34.241 and 3 other IP addresses.