jdku.dk DNS records

🖥️ Nameservers2 records 74ms

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 61ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
85.9.203.147	3600s	85-9-203-147.de-fra1.upcloud.host	AS202053	UpCloud Ltd	85.9.200.0/21	🇩🇪 Germany	Frankfurt am Main

📧 MX Records3 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod5-cph3.one.com	185.164.14.54	mx1.pub.mailpod5-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod5-cph3.one.com	185.164.14.55	mx2.pub.mailpod5-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod5-cph3.one.com	185.164.14.56	mx3.pub.mailpod5-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	46.30.213.17
🔶 Autoconfig	46.30.213.17

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 190ms

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

✉️ SPF

Policy	Record (jdku.dk)
~all (soft fail)	v=spf1 a mx include:_custspf.one.com ~all

📨 DMARC

Policy	Record (_dmarc.jdku.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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 104ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod5-cph3.one.com	DANE-EE · SPKI · SHA-256	63EF463E384F266BA4F41EE149A2C594…
SMTP _25._tcp.mx2.pub.mailpod5-cph3.one.com	DANE-EE · SPKI · SHA-256	63EF463E384F266BA4F41EE149A2C594…
SMTP _25._tcp.mx3.pub.mailpod5-cph3.one.com	DANE-EE · SPKI · SHA-256	63EF463E384F266BA4F41EE149A2C594…

🔐 DNSSEC77ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082002
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

74ms

A

61ms

MX

55ms

AAAA

50ms

TXT

190ms

CAA

49ms

HTTPS

54ms

TLSA

104ms

SOA

0ms

MTA-STS

83ms

DNSSEC

77ms

SRV

83ms

Total

828ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 07:16:49	828ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-20 20:17:52	1209ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-24 16:17:45	4878ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-22 12:57:30	5217ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-23 16:43:58	863ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-22 20:03:57	1082ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 05:42:47	1141ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-17 23:17:58	992ms	2 NS 1 A 3 MX	🔒 Secure	View