jfsdu.dk DNS records

🖥️ Nameservers2 records 147ms

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 140ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.183	3600s	webcluster2.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records3 records 139ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod6-cph3.one.com	185.164.14.70	mx1.pub.mailpod6-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod6-cph3.one.com	185.164.14.71	mx2.pub.mailpod6-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod6-cph3.one.com	185.164.14.72	mx3.pub.mailpod6-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)1 records 137ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:80bd:ee9:ad91:63db	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 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 / DANE3 records 278ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod6-cph3.one.com	DANE-EE · SPKI · SHA-256	431B938774CCDD31779725AB0617DD17…
SMTP _25._tcp.mx2.pub.mailpod6-cph3.one.com	DANE-EE · SPKI · SHA-256	431B938774CCDD31779725AB0617DD17…
SMTP _25._tcp.mx3.pub.mailpod6-cph3.one.com	DANE-EE · SPKI · SHA-256	431B938774CCDD31779725AB0617DD17…

🔐 DNSSEC261ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081805
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

147ms

A

140ms

MX

139ms

AAAA

137ms

TXT

549ms

CAA

124ms

HTTPS

135ms

TLSA

278ms

SOA

0ms

MTA-STS

222ms

DNSSEC

261ms

SRV

216ms

Total

3270ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-18 21:07:42	3270ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-16 04:03:30	1072ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-08 15:24:25	4939ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-19 09:52:05	8887ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-17 02:54:04	2773ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-13 19:20:22	4368ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-03 01:09:16	937ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-25 10:38:50	3007ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-24 05:14:16	1141ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 00:19:28	1034ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-18 02:39:48	733ms	2 NS 1 A 3 MX	🔒 Secure	View