tudv.dk DNS records

🖥️ Nameservers2 records 68ms

Nameserver	IP addresses	PTR	ASN / ISP
ns6.sitnet.dk	107.162.234.197 2604:e180:1071::3:1	— —	AS55002 F5, Inc. AS55002 F5, Inc.
ns7.sitnet.dk	107.162.176.221 2604:e180:1071::ffff:6ba2:b0dd	— —	AS55002 F5, Inc. AS55002 F5, Inc.

🌍 A Records1 records 71ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.153.154.38	3600s	datalogger-test.bygstenergi.dk datalogger.bygstenergi.dk datalogger.xkn.dk demensprisen.dk klagonline.forbrug.dk mitfiskeri.dk parked.sitnet.dk	AS58282	Statens IT	185.153.152.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 540ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.tudv.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.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)

🔐 DNSSEC267ms

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

🏷️ SOA0ms

Field	Value
Serial	171
Primary NS (MNAME)	ns6.sitnet.dk
Responsible (RNAME)	hostmaster@statens-it.dk
Refresh	900s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

68ms

A

71ms

MX

72ms

AAAA

68ms

TXT

540ms

CAA

199ms

HTTPS

71ms

TLSA

187ms

SOA

0ms

MTA-STS

136ms

DNSSEC

267ms

SRV

314ms

Total

17095ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 04:26:06	17095ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-27 23:51:36	17613ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-26 22:33:50	1121ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-25 15:39:31	14612ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-24 14:38:15	3463ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-23 05:33:46	13994ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-22 05:25:13	3296ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-21 05:02:06	9245ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-20 01:13:13	16852ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-19 00:00:19	18476ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-17 16:29:23	5953ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-16 13:21:06	14133ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-14 23:16:13	2571ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-13 21:12:45	32816ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-12 18:12:11	4826ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-11 15:37:23	32682ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-09 20:02:51	2459ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-07 19:30:19	9470ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-06 03:50:30	3305ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-28 05:20:33	25266ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-27 04:24:05	33182ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-26 04:16:55	17068ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-25 03:50:46	3336ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-24 03:14:57	17096ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-22 23:52:51	25158ms	2 NS 1 A 0 MX	🔒 Secure	View