klfu.dk DNS records

🖥️ Nameservers2 records 76ms

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 81ms

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 591ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.klfu.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)

🔐 DNSSEC246ms

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

🏷️ SOA0ms

Field	Value
Serial	7767
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

76ms

A

81ms

MX

105ms

AAAA

78ms

TXT

591ms

CAA

118ms

HTTPS

290ms

TLSA

141ms

SOA

0ms

MTA-STS

226ms

DNSSEC

246ms

SRV

410ms

Total

17476ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 21:23:12	17476ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-30 04:56:01	9352ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-28 20:22:55	17284ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-27 15:19:57	1188ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-26 15:14:55	17138ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-25 03:33:54	1899ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-24 03:09:19	19330ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-22 21:05:20	6217ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-21 21:04:15	4133ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-20 20:54:26	8676ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-19 20:10:25	2575ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-18 20:09:26	8537ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-17 08:53:57	25122ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-15 20:08:43	1230ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-14 11:09:56	17495ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-12 10:00:51	1709ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-11 08:43:33	4886ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-10 00:56:51	3265ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-06 12:43:55	3701ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-29 19:15:40	1379ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-28 10:54:04	1630ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-27 07:46:27	17394ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-26 06:23:53	11756ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-25 06:06:11	5336ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-24 05:17:19	17319ms	2 NS 1 A 0 MX	🔒 Secure	View