1sonderbro.dk DNS records

🖥️ Nameservers2 records 29ms

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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.102.88.132	43200s	—	AS47292	Sentia Denmark A/S	91.102.88.0/21	🇩🇰 Denmark	—

📧 MX Records4 records 33ms

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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 135ms

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

✉️ SPF

Policy	Record (1sonderbro.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com ~all

📨 DMARC

Policy	Record (_dmarc.1sonderbro.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@1sonderbro.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 167ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…

🔐 DNSSEC103ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082701
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

29ms

A

34ms

MX

33ms

AAAA

30ms

TXT

135ms

CAA

35ms

HTTPS

35ms

TLSA

167ms

SOA

0ms

MTA-STS

45ms

DNSSEC

103ms

SRV

39ms

Total

733ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 20:29:04	733ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-28 09:17:23	2859ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-10 09:49:38	4482ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-29 07:57:26	724ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-25 12:50:38	516ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-22 02:09:11	941ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 18:10:10	725ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-16 13:26:28	10269ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-16 13:13:02	995ms	2 NS 1 A 4 MX	🔒 Secure	View