smtp.computerhorizons.com - robtex.com

smtp.computerhorizons.com

DNSSEC⚠️ Not signed

computerhorizons.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:92ec🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:1cac🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.28.172Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.146.236🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdavina.ns.cloudflare.com ⭐
NSrob.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.28.172, 172.67.146.236
IPv6 hints2606:4700:3031::ac43:92ec, 2606:4700:3037::6815:1cac
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=246, name=cloudflare-ech.com
SOAdavina.ns.cloudflare.comdns@cloudflare.com serial=2400923505
WOT: SAFE (61/100)
WOT: SAFE (66/100)

Previously MX for

gbtsgroup.com
computerhorizons.com

Same first word

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DNS History

1 record (0 active, 1 former)

20162017201820192020202120222023202420252026A64.21.33.215
○A64.21.33.2152015-05-24 → 2016-06-21 · 3 obs
● 2015-05-24 16:59:08
● 2016-06-21 03:17:04
○ 2026-04-13 18:20:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net...-
computerhorizons.comrob.ns.cloudflare.com, davina.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.40

NS records: rob.ns.cloudflare.com, davina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for computerhorizons.com (unsigned zone)

⏱️ Timing

Total: 127ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 12

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