mx.kulhan.cz - robtex.com

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mx.kulhan.cz

CNAMEwww.google.com
DNSSEC⚠️ Not signed
A2001:4860:4826:7700::🇺🇸 Google
A2001:4860:4827:7700::🇺🇸 Google
A2001:4860:4828:7700::🇺🇸 Google
A2001:4860:4829:7700::🇺🇸 Google
A2001:4860:482a:7700::🇺🇸 Google
A2001:4860:482b:7700::🇺🇸 Google
A2001:4860:482c:7700::🇺🇸 Google
A2001:4860:482d:7700::🇺🇸 Google
A142.251.150.119🇺🇸 Google
A142.251.151.119🇺🇸 Google
A142.251.152.119🇺🇸 Google
A142.251.153.119🇺🇸 Google
A142.251.154.119🇺🇸 Google
A142.251.155.119🇺🇸 Google
A142.251.156.119🇺🇸 Google
A142.251.157.119🇺🇸 Google
HTTPSHTTP/2, HTTP/3

kulhan.cz

DNSSEC🔒 Signed (DS record present)
A127.0.0.1
NSns1.ignum.com ⭐
NSns2.ignum.cz
MXign-mx1.webglobe.com ⭐ 🔒
MXign-mx2.webglobe.com ⭐ 🔒
MXign-mx3.webglobe.com ⭐ 🔒
MXign-mx4.webglobe.com ⭐ 🔒
TXTv=spf1 mx a include:_spf.ignum.cz ~all
SOAns1.ignum.comhostmaster@ignum.cz 2026-02-08 #1

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🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
kulhan.czns1.ignum.com, ns2.ignum.cz-

✅ Authoritative Response

Server: 217.31.48.201

NS records: ns1.ignum.com, ns2.ignum.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kulhan.cz (unsigned zone)

⏱️ Timing

Total: 366ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1www.google.com

AI analysis

mx.kulhan.cz points to 16 IP numbers: 2001:4860:4826:7700::, 2001:4860:4827:7700::, 2001:4860:4828:7700::, 2001:4860:4829:7700::, 2001:4860:482a:7700::, 2001:4860:482b:7700::, 2001:4860:482c:7700::, 2001:4860:482d:7700::, 142.251.150.119, 142.251.151.119, 142.251.152.119, 142.251.153.119, 142.251.154.119, 142.251.155.119, 142.251.156.119 and 142.251.157.119.

Other host names, for instance dunhamnet.com, www.dunhamnet.com, stucky.dev, www.google.com and c-dns.cc share IP numbers with mx.kulhan.cz.