skatt.dk DNS records

🖥️ Nameservers6 records 44ms

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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
147.29.150.82	900s	www.skat.dk	AS3292	TDC Holding A/S	147.29.150.0/23	🇩🇰 Denmark	Valby

📧 MX Records1 records 34ms

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 172ms

TXT Record
SKAT
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.skatt.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)

🔐 DNSSEC74ms

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

44ms

A

41ms

MX

34ms

AAAA

41ms

TXT

172ms

CAA

41ms

HTTPS

67ms

TLSA

51ms

SOA

0ms

MTA-STS

63ms

DNSSEC

74ms

SRV

81ms

Total

608ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 01:26:00	608ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 12:25:38	2538ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 10:27:04	786ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 01:59:31	3224ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 19:03:30	2978ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 08:56:55	904ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 17:21:18	2717ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 09:27:13	2596ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 07:30:46	5297ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 01:18:14	8657ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 20:18:57	1030ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 18:08:27	3087ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 08:15:28	954ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 01:57:17	7160ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 15:29:40	3822ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 09:12:38	523ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 21:55:44	987ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 14:43:24	3123ms	6 NS 1 A 0 MX	🔒 Secure	View