dfos.dk DNS records

🖥️ Nameservers2 records 47ms

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 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.114	3600s	webcluster2.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod12-cph3.one.com	104.37.34.246	mx1.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod12-cph3.one.com	104.37.34.247	mx2.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod12-cph3.one.com	104.37.34.248	mx3.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod12-cph3.one.com	104.37.34.249	mx4.pub.mailpod12-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	46.30.215.114
🔶 Autoconfig	46.30.215.114

🔷 AAAA Records (IPv6)1 records 55ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:111:8096:e815:2489:a22a	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 211ms

TXT Record
v=spf1 -all
v=spf1 include:_custspf.one.com ~all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (dfos.dk)
-all (hard fail)	v=spf1 -all
~all (soft fail)	v=spf1 include:_custspf.one.com ~all

📨 DMARC

Policy	Record (_dmarc.dfos.dk)
p=reject	v=DMARC1; p=reject

📬 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 / DANE4 records 82ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…

🔐 DNSSEC95ms

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

🏷️ SOA0ms

Field	Value
Serial	2026033102
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

47ms

A

57ms

MX

45ms

AAAA

55ms

TXT

211ms

CAA

54ms

HTTPS

47ms

TLSA

82ms

SOA

0ms

MTA-STS

79ms

DNSSEC

95ms

SRV

74ms

Total

1213ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-13 02:56:47	1213ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-29 21:17:01	785ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-23 21:30:35	939ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-21 05:26:24	1160ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 02:35:09	833ms	2 NS 1 A 4 MX	🔒 Secure	View