udviklingsogforenklingsstyrelsen.dk DNS records

🖥️ Nameservers6 records 27ms

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 1163ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
147.29.150.90	1799s	—	AS3292	TDC Holding A/S	147.29.150.0/23	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 24ms

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 85ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.udviklingsogforenklingsstyrelsen.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)

🔐 DNSSEC99ms

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

🏷️ SOA0ms

Field	Value
Serial	2025091863
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

27ms

A

1163ms

MX

24ms

AAAA

27ms

TXT

85ms

CAA

26ms

HTTPS

23ms

TLSA

47ms

SOA

0ms

MTA-STS

42ms

DNSSEC

99ms

SRV

1167ms

Total

1482ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 23:53:19	1482ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 12:11:44	878ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 23:41:10	1690ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 00:48:03	2396ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 21:15:18	3039ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 16:54:48	2236ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 15:52:07	4596ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 07:58:32	2205ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 06:16:06	1211ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 21:35:45	1338ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 17:17:11	1363ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 14:50:47	3111ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 07:29:00	410ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 22:02:21	6808ms	6 NS 1 A 0 MX	🔒 Secure	View