administrationsogservicestyrelsen.dk DNS records

🖥️ Nameservers6 records 813ms

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 53ms

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 89ms

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 95ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.administrationsogservicestyrelsen.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)

🔐 DNSSEC192ms

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

Key type	Algorithm	Public key
KSK	RSA/SHA-256	AwEAAcnRvo1AMkdtLacYPKlB1dApECP1tSnp+ECF…
ZSK	RSA/SHA-256	AwEAAcU1DceQ36te2GAI0hI15NPc0zLL00Cldlxe…

🏷️ SOA4ms

Field	Value
Serial	2025091855
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

813ms

A

53ms

MX

89ms

AAAA

1142ms

TXT

95ms

CAA

33ms

HTTPS

45ms

TLSA

40ms

SOA

4ms

MTA-STS

7ms

DNSSEC

192ms

SRV

0ms

Total

6682ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 12:16:01	6682ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 21:53:00	1533ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 16:46:57	1195ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 23:32:44	8677ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 22:21:34	769ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 14:06:05	2706ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 09:18:15	832ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 23:19:34	694ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 19:55:09	3851ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 10:58:58	9625ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 13:07:54	658ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 06:57:56	1026ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 05:54:07	723ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 12:46:15	2063ms	6 NS 1 A 0 MX	🔒 Secure	View