net-tjek.dk DNS records

🖥️ Nameservers2 records 134ms

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 125ms

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 Records1 records 89ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	. 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 Records1 records 496ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.net-tjek.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)

🔐 DNSSEC255ms

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

🏷️ SOA0ms

Field	Value
Serial	10762
Primary NS (MNAME)	ns6.sitnet.dk
Responsible (RNAME)	hostmaster@statens-it.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

134ms

A

125ms

MX

89ms

AAAA

104ms

TXT

496ms

CAA

139ms

HTTPS

81ms

TLSA

135ms

SOA

0ms

MTA-STS

206ms

DNSSEC

255ms

SRV

214ms

Total

17347ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 17:45:31	17347ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-30 13:56:33	17796ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-29 10:56:21	17240ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 21:09:09	9296ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 19:01:38	9826ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 15:54:47	1255ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 22:29:59	5353ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 21:59:13	6896ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 17:29:09	9898ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 17:20:02	7002ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 17:00:25	5532ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 15:38:08	3625ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 15:34:22	6915ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 15:20:34	3028ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-16 14:53:03	6207ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 01:00:50	5434ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 18:12:42	5470ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 11:44:30	6970ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 04:08:37	6952ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 00:42:31	1386ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 11:51:55	1151ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-31 16:38:46	18710ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-28 23:38:58	11819ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 08:25:16	5694ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 08:19:55	11396ms	2 NS 1 A 1 MX	🔒 Secure	View