onedown.dk DNS records

🖥️ Nameservers2 records 42ms

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 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.103	3600s	webcluster2.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod10-cph3.one.com	104.37.34.70	mx1.pub.mailpod10-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod10-cph3.one.com	104.37.34.71	mx2.pub.mailpod10-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod10-cph3.one.com	104.37.34.72	mx3.pub.mailpod10-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod10-cph3.one.com	104.37.34.73	mx4.pub.mailpod10-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)1 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:111:803b:6a2:6a2b:e454	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 Records1 records 181ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.onedown.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:booking@onedown.dk; ruf=mailto:booking@onedown.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 / DANE8 records 99ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod10-cph3.one.com	DANE-EE · SPKI · SHA-256	5932F73E86E0548B77B582F47919F654…
SMTP _25._tcp.mx1.pub.mailpod10-cph3.one.com	DANE-EE · SPKI · SHA-256	6F2F6668E559087AD0C5D55F223128E2…
SMTP _25._tcp.mx2.pub.mailpod10-cph3.one.com	DANE-EE · SPKI · SHA-256	5932F73E86E0548B77B582F47919F654…
SMTP _25._tcp.mx2.pub.mailpod10-cph3.one.com	DANE-EE · SPKI · SHA-256	6F2F6668E559087AD0C5D55F223128E2…
SMTP _25._tcp.mx3.pub.mailpod10-cph3.one.com	DANE-EE · SPKI · SHA-256	5932F73E86E0548B77B582F47919F654…
SMTP _25._tcp.mx3.pub.mailpod10-cph3.one.com	DANE-EE · SPKI · SHA-256	6F2F6668E559087AD0C5D55F223128E2…
SMTP _25._tcp.mx4.pub.mailpod10-cph3.one.com	DANE-EE · SPKI · SHA-256	6F2F6668E559087AD0C5D55F223128E2…
SMTP _25._tcp.mx4.pub.mailpod10-cph3.one.com	DANE-EE · SPKI · SHA-256	5932F73E86E0548B77B582F47919F654…

🔐 DNSSEC74ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082801
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

42ms

A

35ms

MX

40ms

AAAA

42ms

TXT

181ms

CAA

47ms

HTTPS

55ms

TLSA

99ms

SOA

0ms

MTA-STS

69ms

DNSSEC

74ms

SRV

66ms

Total

799ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 06:13:33	799ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-29 00:35:00	1638ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-20 07:57:51	8865ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-03 13:51:25	688ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-20 19:36:39	1167ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-18 02:23:01	3905ms	2 NS 1 A 4 MX	🔒 Secure	View