toldsystemet.dk DNS records

🖥️ Nameservers6 records 64ms

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 104ms

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	Valby

📧 MX Records1 records 108ms

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 447ms

TXT Record
SKAT
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.toldsystemet.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)

🔐 DNSSEC376ms

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

64ms

A

104ms

MX

108ms

AAAA

120ms

TXT

447ms

CAA

68ms

HTTPS

88ms

TLSA

207ms

SOA

0ms

MTA-STS

148ms

DNSSEC

376ms

SRV

276ms

Total

1996ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 16:04:28	1996ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 14:45:26	2738ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 15:26:37	1999ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 23:24:52	2595ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 22:50:49	4044ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 19:04:31	2441ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 13:50:53	2688ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 10:19:55	780ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 06:41:32	719ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 22:59:17	1273ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 11:00:36	848ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 19:13:05	3706ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 12:15:43	4893ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 01:13:57	1177ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 09:47:53	2694ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 03:24:25	2567ms	6 NS 1 A 0 MX	🔒 Secure	View