irf.dk DNS records

🖥️ Nameservers2 records 105ms

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 106ms

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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	irf.dk → 185.153.154.38
🔶 Autoconfig	irf.dk → 185.153.154.38

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 416ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.irf.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.irf.dk	irf.dk

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC242ms

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

🏷️ SOA0ms

Field	Value
Serial	4953
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

105ms

A

106ms

MX

103ms

AAAA

89ms

TXT

416ms

CAA

131ms

HTTPS

142ms

TLSA

122ms

SOA

0ms

MTA-STS

200ms

DNSSEC

242ms

SRV

207ms

Total

1499ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 05:05:21	1499ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-29 23:30:44	17608ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-28 03:53:43	3269ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-27 11:10:20	17242ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-26 10:56:25	6824ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-26 10:47:48	17248ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-24 20:29:57	2868ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-23 19:43:08	9835ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-22 17:33:19	9923ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-21 17:27:26	17166ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-20 17:11:28	1412ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-19 16:24:08	8134ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-18 16:18:14	4028ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-16 16:36:46	6040ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-14 12:35:25	6784ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-13 00:20:04	17395ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-11 15:32:49	5766ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-10 12:16:04	3153ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-06 13:38:30	5539ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-05 03:39:55	5563ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-29 14:15:04	10081ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-27 10:05:34	17238ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-26 09:35:40	3306ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-25 09:16:53	24832ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-24 08:45:48	19140ms	2 NS 1 A 0 MX	🔒 Secure	View