skatteforvaltning.dk DNS records

🖥️ Nameservers6 records 33ms

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 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
147.29.150.90	900s	—	AS3292	TDC Holding A/S	147.29.150.0/23	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 28ms

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 Records2 records 101ms

TXT Record
SKAT
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.skatteforvaltning.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)

🔐 DNSSEC113ms

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

🏷️ SOA0ms

Field	Value
Serial	2025091856
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

33ms

A

29ms

MX

28ms

AAAA

36ms

TXT

101ms

CAA

24ms

HTTPS

26ms

TLSA

54ms

SOA

0ms

MTA-STS

49ms

DNSSEC

113ms

SRV

48ms

Total

1579ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 00:00:19	1579ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 22:13:42	991ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 12:34:22	377ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 09:57:37	772ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 15:21:56	853ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 01:56:00	831ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 23:51:14	737ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-14 08:02:59	769ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 04:14:35	2990ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 01:51:40	3474ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 10:26:16	902ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 15:18:56	1176ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 10:25:54	1878ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 00:08:12	852ms	6 NS 1 A 0 MX	🔒 Secure	View