kat.dk DNS records

🖥️ Nameservers5 records 115ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.gigahost.dk	46.183.139.31	ns1.gigahost.dk	AS47292 Sentia Denmark A/S
ns2.gigahost.dk	46.183.139.222	web22.gigahost.dk	AS47292 Sentia Denmark A/S
ns3.gigahost.dk	71.19.249.71	ns3.gigahost.dk	AS11831 eSecureData
ns4.gigahost.dk	51.79.215.130	ns4.gigahost.dk	AS16276 OVH SAS
ns5.gigahost.dk	77.74.192.83	ns5.gigahost.dk	AS42831 UK Dedicated Servers Limited

🌍 A Records1 records 387ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.183.138.100	3600s	—	AS47292	Sentia Denmark A/S	46.183.138.0/23	🇩🇰 Denmark	—

📧 MX Records3 records 123ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S
10	3600s	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S
10	3600s	mx3.gigahost.dk	46.183.139.13	mx3.gigahost.dk	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	kat.dk → 46.183.138.100
🔶 Autoconfig	kat.dk → 46.183.138.100

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 800ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	autodiscover.gigahost.dk

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.kat.dk	kat.dk

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC379ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026090301
Primary NS (MNAME)	ns1.gigahost.dk
Responsible (RNAME)	hostmaster@kat.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

115ms

A

387ms

MX

123ms

AAAA

177ms

TXT

719ms

CAA

100ms

HTTPS

104ms

TLSA

75ms

SOA

0ms

MTA-STS

810ms

DNSSEC

379ms

SRV

800ms

Total

1305ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-09 04:33:36	1305ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-27 02:48:40	943ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-20 18:40:10	5818ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-14 15:11:27	1075ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-08 05:18:15	1244ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-03 02:06:12	9017ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-23 05:27:20	1312ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-17 22:55:37	1229ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-11 15:39:40	2021ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-03 12:53:07	5827ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-26 15:38:23	834ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-25 22:14:08	806ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-24 19:29:45	904ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-17 11:53:09	872ms	5 NS 1 A 3 MX	🔓 Insecure	View