xfn.dk DNS records

🖥️ Nameservers3 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
a.dn5.dk	194.165.56.53 2a10:2a80:53a::53	a.dn5.dk a.dn5.dk	AS207727 a5n AS207727 a5n
b.dn5.dk	194.165.56.54 2a10:2a80:53b::53	b.dn5.dk b.dn5.dk	AS207727 a5n AS207727 a5n
c.dn5.dk	2a00:fbe4:1ab:20::75 45.145.93.75	c.dn5.dk c.dn5.dk	AS205235 Labitat AS205235 Labitat

🌍 A Records1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
194.165.56.47	360s	—	AS207727	a5n	194.165.56.0/24	🇩🇰 Denmark	—

📧 MX Records1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	360s	mail.asbjorn.biz	194.165.56.46	mail.asbjorn.biz	AS207727 a5n

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	xfn.dk → 194.165.56.47
🔶 Autoconfig	xfn.dk → 194.165.56.47

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 65ms

Service	Priority	Weight	Port	Target
_xmpp-client._tcp	10	0	5222	jabber.asbjorn.biz
_xmpp-server._tcp	10	0	5269	jabber.asbjorn.biz

📝 TXT Records1 records 135ms

TXT Record
v=spf1 include:spf.a5n.dk -all

✉️ SPF

Policy	Record (xfn.dk)
-all (hard fail)	v=spf1 include:spf.a5n.dk -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

🔏 ACME Challenge

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

🔗 TLSA / DANE

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

🔐 DNSSEC103ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026082600
Primary NS (MNAME)	a.dn5.dk
Responsible (RNAME)	hostmaster@dn5.dk
Refresh	10800s
Retry	3600s
Expire	2419000s
Minimum (neg-cache TTL)	43200s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

30ms

A

31ms

MX

47ms

AAAA

33ms

TXT

135ms

CAA

31ms

HTTPS

27ms

TLSA

278ms

SOA

0ms

MTA-STS

40ms

DNSSEC

103ms

SRV

65ms

Total

750ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 23:02:28	750ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-22 03:37:55	923ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 02:56:31	5031ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-16 05:49:55	3105ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-14 10:45:18	1565ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-10 17:55:14	932ms	3 NS 1 A 1 MX	❓ Unknown	View
2026-08-08 03:52:38	821ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-27 20:12:10	817ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-26 19:52:41	1801ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-24 18:48:42	9715ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-21 07:24:08	869ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-20 07:05:39	833ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-18 02:07:49	2252ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-14 04:55:03	1506ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-10 23:11:10	1960ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-09 22:43:04	8944ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-08 11:40:28	1769ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-03 15:09:35	2546ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 11:16:06	676ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 23:55:23	1035ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 21:30:12	1896ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 05:26:25	945ms	3 NS 1 A 1 MX	🔓 Insecure	View