gældstyrelsen.dk DNS records

🖥️ Nameservers6 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
df-ns01.skat.dk	147.29.150.31	df-ns01.skat.dk	AS3292 TDC Holding A/S
df-ns02.skat.dk	147.29.151.254	df-ns02.skat.dk	AS3292 TDC Holding A/S
df-ns03.skat.dk	147.29.150.31	df-ns01.skat.dk	AS3292 TDC Holding A/S
df-ns04.skat.dk	147.29.151.254	df-ns02.skat.dk	AS3292 TDC Holding A/S
ns1-auth.csc.dk	147.29.236.25 2a01:5440:2:0:147:29:236:25	ns1-auth.csc.dk —	AS29156 DXC Technology Danmark A/S AS29156 DXC Technology Danmark A/S
ns2-auth.csc.dk	147.29.238.25 2a01:5440:2:2000:147:29:238:25	ns2-auth.csc.dk —	AS29156 DXC Technology Danmark A/S AS29156 DXC Technology Danmark A/S

🌍 A Records1 records 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
147.29.150.90	1800s	—	AS3292	TDC Holding A/S	147.29.150.0/23	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 22ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	1800s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 86ms

TXT Record
SKAT
skatteforvaltningen.azurewebsites.net
v=spf1 -all

✉️ SPF

Policy	Record (gældstyrelsen.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.gældstyrelsen.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:fd0c97ad@in.mailhardener.com; ruf=mailto:fd0c97ad@in.mailhardener.com

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC98ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2025091854
Primary NS (MNAME)	df-ns01.skat.dk
Responsible (RNAME)	hostmaster@csc.dk
Refresh	14400s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

29ms

A

27ms

MX

22ms

AAAA

26ms

TXT

86ms

CAA

23ms

HTTPS

24ms

TLSA

1176ms

SOA

0ms

MTA-STS

47ms

DNSSEC

98ms

SRV

34ms

Total

4852ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 15:00:41	4852ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 05:52:05	2521ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 18:25:23	743ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 15:04:14	762ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 18:21:18	10314ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 18:16:33	2503ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 12:24:47	2593ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 05:57:05	9285ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 06:44:22	1269ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 11:44:42	909ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 12:40:52	1555ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 17:08:35	3376ms	6 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-22 20:48:52	908ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 10:48:18	3191ms	6 NS 1 A 0 MX	🔒 Secure	View
2026-06-17 10:39:09	606ms	6 NS 1 A 0 MX	🔒 Secure	View