ct-sz.com - robtex.com

ct-sz.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:2441🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:bac3🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.36.65Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.186.195🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkelly.ns.cloudflare.com ⭐
A2606:4700:50::a29f:265b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkelly.ns.cloudflare.com
A2803:f800:50::6ca2:c25b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkelly.ns.cloudflare.com
A2a06:98c1:50::ac40:225b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkelly.ns.cloudflare.com
A108.162.194.91🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkelly.ns.cloudflare.com
A162.159.38.91Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkelly.ns.cloudflare.com
A172.64.34.91🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkelly.ns.cloudflare.com
NSkobe.ns.cloudflare.com
A2606:4700:58::a29f:2cc1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkobe.ns.cloudflare.com
A2803:f800:50::6ca2:c3c1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkobe.ns.cloudflare.com
A2a06:98c1:50::ac40:23c1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkobe.ns.cloudflare.com
A108.162.195.193🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkobe.ns.cloudflare.com
A162.159.44.193Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkobe.ns.cloudflare.com
A172.64.35.193🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkobe.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.36.65, 172.67.186.195
IPv6 hints2606:4700:3034::6815:2441, 2606:4700:3035::ac43:bac3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=15, name=cloudflare-ech.com
SOAkelly.ns.cloudflare.comdns@cloudflare.com serial=2399769427

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=1776959351

Same first word

ct-sz.com

Similar names

tc-sz.com
tc-zs.com
cs-tz.com

DNS History

11 records (6 active, 5 former)

2020202120222023202420252026NSkelly.ns.cloudflare.comkobe.ns.cloudflare.comdns15.hichina.comdns16.hichina.comns1.julydns.comns2.julydns.comA104.21.36.65172.67.186.1952606:4700:3034::6815:24412606:4700:3035::ac43:bac347.107.150.195
○NSdns15.hichina.com2019-12-23 → 2019-12-23 · 3 obs
● 2019-12-23 16:21:38
○ 2026-04-17 23:37:24
○ 2026-04-23 15:57:08
○NSdns16.hichina.com2019-12-23 → 2019-12-23 · 3 obs
● 2019-12-23 16:21:38
○ 2026-04-17 23:37:24
○ 2026-04-23 15:57:08
●NSkelly.ns.cloudflare.com2026-04-17 → 2026-04-23 · 3 obs
○ 2019-12-23 16:21:38
● 2026-04-17 23:37:24
● 2026-04-23 15:57:08
●NSkobe.ns.cloudflare.com2026-04-17 → 2026-04-23 · 3 obs
○ 2019-12-23 16:21:38
● 2026-04-17 23:37:24
● 2026-04-23 15:57:08
○NSns1.julydns.com2026-04-17 → 2026-04-23 · 2 obs
○ 2026-04-17 23:37:24
○ 2026-04-23 15:57:08
○NSns2.julydns.com2026-04-17 → 2026-04-23 · 2 obs
○ 2026-04-17 23:37:24
○ 2026-04-23 15:57:08
●A104.21.36.652026-04-17 → 2026-04-23 · 3 obs
○ 2019-12-23 16:21:38
● 2026-04-17 23:37:24
● 2026-04-23 15:57:08
●A172.67.186.1952026-04-17 → 2026-04-23 · 3 obs
○ 2019-12-23 16:21:38
● 2026-04-17 23:37:24
● 2026-04-23 15:57:08
●A2606:4700:3034::6815:24412026-04-17 → 2026-04-23 · 3 obs
○ 2019-12-23 16:21:38
● 2026-04-17 23:37:24
● 2026-04-23 15:57:08
●A2606:4700:3035::ac43:bac32026-04-17 → 2026-04-23 · 3 obs
○ 2019-12-23 16:21:38
● 2026-04-17 23:37:24
● 2026-04-23 15:57:08
○A47.107.150.1952019-12-23 → 2019-12-23 · 3 obs
● 2019-12-23 16:21:38
○ 2026-04-17 23:37:24
○ 2026-04-23 15:57:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
ct-sz.comkobe.ns.cloudflare.com, kelly.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.193

NS records: kobe.ns.cloudflare.com, kelly.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ct-sz.com (unsigned zone)

⏱️ Timing

Total: 110ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.36.65, 172.67.186.195
AAAA22606:4700:3035::ac43:bac3, 2606:4700:3034::6815:2441
NS2kelly.ns.cloudflare.com, kobe.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kelly.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

ct-sz.com resolves to four IPs: 2606:4700:3034::6815:2441, 2606:4700:3035::ac43:bac3, 104.21.36.65 and 172.67.186.195.

Other host names, for instance mail.awesomefolks.com, timeoutspace.com, gamer.is, renditomium.com and warcraftmovie.info share IP numbers with ct-sz.com.

Name Servers

ct-sz.com has two name servers: kelly.ns.cloudflare.com and kobe.ns.cloudflare.com.

ct-sz.com shares the same name server setup as other domains, for example meijiangtj.com, webrain.gr, sgnrgroup.ma, igum.com.ua and tyretrader.ua.

ct-sz.com shares some name servers with other domains, for example aztecagaming.com, 1433115.com, afcu5vpt.pages.dev, spinachcreative.com and galapagosbookingtravel.com.

These name servers are commonly used with ignacio.ns.cloudflare.com, keaton.ns.cloudflare.com, gabe.ns.cloudflare.com, brad.ns.cloudflare.com and jasper.ns.cloudflare.com.

Host names with six IP numbers: kelly.ns.cloudflare.com points to: 2606:4700:50::a29f:265b, 2803:f800:50::6ca2:c25b, 2a06:98c1:50::ac40:225b, 108.162.194.91, 162.159.38.91 and 172.64.34.91; kobe.ns.cloudflare.com points to: 2606:4700:58::a29f:2cc1, 2803:f800:50::6ca2:c3c1, 2a06:98c1:50::ac40:23c1, 108.162.195.193, 162.159.44.193 and 172.64.35.193.