dfdv.dk DNS records

🖥️ Nameservers2 records 65ms

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 25ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.150.131.134	3600s	x59968386.customers.hiper-net.dk	AS203953	Hiper A/S	89.150.128.0/18	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	89.150.131.134
🔶 Autoconfig	89.150.131.134

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 404ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.dfdv.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc-reports@mhv.dk; ruf=mailto:dmarc-reports@mhv.dk

📬 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 67ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…

🔐 DNSSEC85ms

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

🏷️ SOA33ms

Field	Value
Serial	2026062402
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

65ms

A

25ms

MX

35ms

AAAA

65ms

TXT

404ms

CAA

36ms

HTTPS

36ms

TLSA

67ms

SOA

33ms

MTA-STS

86ms

DNSSEC

85ms

SRV

97ms

Total

968ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 05:56:34	4744ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-23 05:32:17	6592ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-16 19:53:44	2798ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-26 10:20:53	2320ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-26 07:33:50	968ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-25 23:26:07	910ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-18 15:18:31	739ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 02:35:11	668ms	2 NS 1 A 4 MX	🔒 Secure	View