knu.dk DNS records

🖥️ Nameservers2 records 183ms

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 184ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.151	—	webcluster1.webpod14-cph3.one.com	AS51468	—	—	—	—

📧 MX Records4 records 174ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.mailpod15-cph3.g1i.one.com	104.37.35.36	mx1.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	—	mx2.mailpod15-cph3.g1i.one.com	104.37.35.37	mx2.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	—	mx3.mailpod15-cph3.g1i.one.com	104.37.35.38	mx3.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	—	mx4.mailpod15-cph3.g1i.one.com	104.37.35.39	mx4.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)1 records 174ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:bd:8461:4496:86fa	—	—	AS51468	—	—	—	—

🔐 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

🔗 TLSA / DANE4 records 151ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…

🔐 DNSSEC226ms

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

🏷️ SOA145ms

Field	Value
Serial	2026052701
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

183ms

A

184ms

MX

174ms

AAAA

174ms

TXT

373ms

CAA

146ms

HTTPS

147ms

TLSA

151ms

SOA

145ms

MTA-STS

154ms

DNSSEC

226ms

SRV

0ms

Total

1121ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 22:32:57	732ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-26 07:20:11	4634ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-24 15:49:44	1093ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-18 09:31:23	1003ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-11 14:20:25	3027ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-25 20:20:00	6766ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-25 05:16:26	754ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-24 21:57:02	865ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-18 17:25:07	10335ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 17:45:00	1121ms	2 NS 1 A 4 MX	🔒 Secure	View