arfu.dk

📜 Historical scan 2026-06-26 12:21:43 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

arfu.dk is a .dk domain served by 2 nameservers (ns25.domaincontrol.com, ns26.domaincontrol.com). It was registered on 15 October 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by arfu-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
ns25.domaincontrol.com	2603:5:2161::d 97.74.102.13	ns25.domaincontrol.com ns25.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH
ns26.domaincontrol.com	173.201.70.13 2603:5:2261::d	ns26.domaincontrol.com ns26.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	arfu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::f 2a01:111:f403:ca09::2 2a01:111:f403:ca09::5 52.101.68.18 52.101.73.15 52.101.73.16 52.101.73.8	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am0pr04cu00500.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 131ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 296ms

TXT Record
MS=ms33548594
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (arfu.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 06:29:09

www	NXDOMAIN
www vs bare domain	Neither resolves arfu.dk: no address www.arfu.dk: no address
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

85ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

50ms

Field	Value
Serial	2020092033
Primary NS (MNAME)	ns25.domaincontrol.com
Responsible (RNAME)	dns@jomax.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-11 18:33:13

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-10-15
Expires	2026-12-31 (74d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

52ms

53ms

66ms

AAAA

53ms

TXT

296ms

CAA

51ms

HTTPS

51ms

TLSA

209ms

SOA

50ms

MTA-STS

134ms

DNSSEC

85ms

SRV

131ms

Total

953ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 21:07:35	1277ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-28 19:52:45	1085ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-26 12:21:43 shown	953ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-16 12:51:23	1663ms	2 NS 0 A 1 MX	🔓 Insecure