dsf.dk DNS records

🖥️ Nameservers2 records 57ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.106.26	3600s	linux204.curanet.dk	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records3 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	smtp.dsf.dk	88.198.25.183	dyrnwyn.inder.net	AS24940 Hetzner Online GmbH
20	43200s	smtprelay01.extremagear.com	178.63.195.204 2a01:4f8:13b:9f0:1:0:14d7:8e86	smtprelay01.extremagear.com —	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
30	43200s	durandal.inder.net	2a01:4f8:130:20a1:8000::3 88.198.25.184	durandal.inder.net durandal.inder.net	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autoconfig.dsf.dk → 178.63.195.194
🔶 Autoconfig	autoconfig.extremagear.com → 178.63.195.194

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 207ms

TXT Record
google-site-verification=Ug3E-5JJnyckWkwAuj3tXa_BzwdOB5HBz0CFxk5z1j0
v=spf1 mx a:slipstream.inder.net include:extremagear.com include:spf.zitcom.dk ip4:78.46.123.196 ip6:2a01:4f8:130:20a1:8000::2 include:amazonses.com ?all

✉️ SPF

Policy	Record (dsf.dk)
?all (neutral)	v=spf1 mx a:slipstream.inder.net include:extremagear.com include:spf.zitcom.dk ip4:78.46.123.196 ip6:2a01:4f8:130:20a1:8000::2 include:amazonses.com ?all

📨 DMARC

Policy	Record (_dmarc.dsf.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@dsf.dk; adkim=r; aspf=r; sp=none

📬 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)

🔐 DNSSEC154ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080901
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

57ms

A

45ms

MX

40ms

AAAA

59ms

TXT

207ms

CAA

42ms

HTTPS

41ms

TLSA

170ms

SOA

0ms

MTA-STS

100ms

DNSSEC

154ms

SRV

521ms

Total

1549ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-10 01:38:35	1549ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-15 16:13:47	8859ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-12 00:35:16	12044ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-02 00:15:54	869ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-28 06:10:16	1423ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-17 04:50:35	630ms	2 NS 1 A 3 MX	🔒 Secure	View