b-u.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 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.115	3600s	webcluster2.webpod13-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod14-cph3.one.com	185.10.9.212	mx1.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod14-cph3.one.com	185.10.9.213	mx2.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod14-cph3.one.com	185.10.9.214	mx3.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod14-cph3.one.com	185.10.9.215	mx4.pub.mailpod14-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔶 Autoconfig	195.249.40.149

🔷 AAAA Records (IPv6)1 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10b:8098:9dcc:de68:ff8b	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 157ms

TXT Record
MS=ms72421237

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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 89ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	F9CAE2DF0FCB54F04130769823BED77A…
SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	F9CAE2DF0FCB54F04130769823BED77A…
SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	F9CAE2DF0FCB54F04130769823BED77A…
SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	F9CAE2DF0FCB54F04130769823BED77A…

🔐 DNSSEC64ms

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

🏷️ SOA31ms

Field	Value
Serial	2026052801
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

32ms

MX

36ms

AAAA

42ms

TXT

157ms

CAA

37ms

HTTPS

68ms

TLSA

89ms

SOA

31ms

MTA-STS

41ms

DNSSEC

64ms

SRV

89ms

Total

592ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 22:07:33	605ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-27 14:50:05	633ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-29 19:12:01	2895ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-02 11:08:43	2723ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-19 17:05:35	592ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-19 05:28:23	7490ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-16 13:57:23	1948ms	2 NS 1 A 4 MX	🔒 Secure	View