tldst.dk DNS records

🖥️ Nameservers6 records 135ms

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 101ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.97.214.177	1800s	—	AS8075	Microsoft Corporation	23.96.0.0/14	🇳🇱 The Netherlands	Amsterdam

📧 MX Records1 records 109ms

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 315ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.tldst.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)

🔐 DNSSEC309ms

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

🏷️ SOA0ms

Field	Value
Serial	2025091862
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

135ms

A

101ms

MX

109ms

AAAA

122ms

TXT

315ms

CAA

127ms

HTTPS

102ms

TLSA

117ms

SOA

0ms

MTA-STS

187ms

DNSSEC

309ms

SRV

127ms

Total

1182ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 07:55:43	1182ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-30 06:46:38	987ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 19:37:55	954ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 22:37:30	26955ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 02:29:59	7891ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 00:27:53	1391ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 13:05:00	6824ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 21:57:16	2700ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 08:00:40	3409ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 17:33:30	1077ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 05:13:32	2050ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 10:32:22	2653ms	6 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 05:50:24	679ms	6 NS 1 A 0 MX	🔒 Secure	View