ulfborgkollegie.dk DNS records

🖥️ Nameservers2 records 54ms

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 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.22.75.231	3600s	—	AS39642	Sinal A/S	185.22.72.0/22	🇩🇰 Denmark	Viborg

📧 MX Records4 records 46ms

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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

📝

No TXT records found

✉️ 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.ulfborgkollegie.dk	3bX0Bs0Yt_U1WUq6rJoYulzDue59AMehpUpipJjBBBA
TXT	_acme-challenge.ulfborgkollegie.dk	9W1YJljS1BtnuJ8zgAMlgweMUP9Xd3VFt0nm-mkPJC4
TXT	_acme-challenge.ulfborgkollegie.dk	VyXsY9DzkDDeezGv3-34WyzRKdNbA0WE47AlASvSt5o
TXT	_acme-challenge.ulfborgkollegie.dk	rI3HcZKulRoXFqkIzTmVsfePtoJqtJQ4F1D1muUf3Bk

🔗 TLSA / DANE4 records 116ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…

🔐 DNSSEC85ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081205
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

54ms

A

52ms

MX

46ms

AAAA

54ms

TXT

4180ms

CAA

60ms

HTTPS

45ms

TLSA

116ms

SOA

0ms

MTA-STS

69ms

DNSSEC

85ms

SRV

65ms

Total

4917ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 09:16:42	4917ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-12 21:42:42	4236ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-04 12:25:17	1365ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-02 19:09:40	859ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-18 04:25:03	6994ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-14 19:37:32	4959ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-20 20:41:22	1111ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-20 18:07:20	1169ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 23:52:09	1532ms	2 NS 1 A 4 MX	🔒 Secure	View