forskud.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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
147.29.150.171	1800s	person.skat.dk	AS3292	TDC Holding A/S	147.29.150.0/23	🇩🇰 Denmark	Valby

📧 MX Records1 records 50ms

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 176ms

TXT Record
SKAT
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.forskud.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)

🔐 DNSSEC79ms

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

🏷️ SOA0ms

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

33ms

A

41ms

MX

50ms

AAAA

41ms

TXT

176ms

CAA

45ms

HTTPS

55ms

TLSA

72ms

SOA

0ms

MTA-STS

57ms

DNSSEC

79ms

SRV

66ms

Total

969ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 05:27:33	969ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 16:03:32	3446ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 14:50:37	4002ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 23:27:05	863ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 03:32:57	4050ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-03 11:36:38	707ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 17:34:23	16623ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 10:39:45	2088ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 05:46:59	2269ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 01:26:14	785ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 08:44:33	693ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 11:22:07	1349ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 17:48:55	7613ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 13:21:26	1045ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 09:47:00	2570ms	6 NS 1 A 0 MX	🔒 Secure	View