blog.ctlcorp.com - robtex.com

blog.ctlcorp.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:d01a🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:257a🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.37.122Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.208.26🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.37.122, 172.67.208.26
IPv6 hints2606:4700:3032::ac43:d01a, 2606:4700:3036::6815:257a
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=130, name=cloudflare-ech.com

ctlcorp.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:d01a🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:257a🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.37.122Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.208.26🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgarret.ns.cloudflare.com ⭐
NSlucy.ns.cloudflare.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
MXalt4.aspmx.l.google.com(10)
TXTMS=ms30480235
TXTMS=ms43390818
TXTgoogle-gws-recovery-domain-verification=44126984
TXTv=spf1 a mx +ip4:209.90.81.156 include:email.kayako.com include:mx8.inboxgate...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.37.122, 172.67.208.26
IPv6 hints2606:4700:3032::ac43:d01a, 2606:4700:3036::6815:257a
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=130, name=cloudflare-ech.com
SOAgarret.ns.cloudflare.comdns@cloudflare.com serial=2408131942
WOT: SAFE (71/100)
WOT: SAFE (93/100)

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DNS History

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026A104.21.37.122172.67.208.262606:4700:3032::ac43:d01a2606:4700:3036::6815:257a2606:4700:3035::6815:257a72.47.244.153
●A104.21.37.1222026-04-30 → 2026-07-08 · 3 obs
○ 2026-04-25 07:12:40
● 2026-04-30 07:48:16
● 2026-07-08 01:18:56
●A172.67.208.262026-04-30 → 2026-07-08 · 3 obs
○ 2026-04-25 07:12:40
● 2026-04-30 07:48:16
● 2026-07-08 01:18:56
●A2606:4700:3032::ac43:d01a2026-04-30 → 2026-07-08 · 3 obs
○ 2026-04-25 07:12:40
● 2026-04-30 07:48:16
● 2026-07-08 01:18:56
○A2606:4700:3035::6815:257a2026-04-30 → 2026-04-30 · 3 obs
○ 2026-04-25 07:12:40
● 2026-04-30 07:48:16
○ 2026-07-08 01:18:56
●A2606:4700:3036::6815:257a2026-07-08 → 2026-07-08 · 2 obs
○ 2026-04-30 07:48:16
● 2026-07-08 01:18:56
○A72.47.244.1532015-07-02 → 2026-04-25 · 4 obs
● 2015-07-02 23:16:16
● 2026-04-25 07:12:40
○ 2026-04-30 07:48:16
○ 2026-07-08 01:18:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net, i.gtld-servers.net...-
ctlcorp.comlucy.ns.cloudflare.com, garret.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.246

NS records: lucy.ns.cloudflare.com, garret.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctlcorp.com (unsigned zone)

⏱️ Timing

Total: 110ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.37.122, 172.67.208.26
AAAA22606:4700:3032::ac43:d01a, 2606:4700:3036::6815:257a
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

blog.ctlcorp.com resolves to four IP addresses: 104.21.37.122, 172.67.208.26, 2606:4700:3032::ac43:d01a and 2606:4700:3036::6815:257a.

Among the host names that share IP numbers with blog.ctlcorp.com are fhtour.com.cn, www.computerman.gr, www.hkgbusiness.com and two others.