jks4u.dk DNS records

🖥️ Nameservers2 records 160ms

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 164ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.150	3600s	webcluster1.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records3 records 188ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod8-cph3.one.com	185.164.14.102	mx1.pub.mailpod8-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod8-cph3.one.com	185.164.14.103	mx2.pub.mailpod8-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod8-cph3.one.com	185.164.14.104	mx3.pub.mailpod8-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	46.30.213.150
🔶 Autoconfig	46.30.213.150

🔷 AAAA Records (IPv6)1 records 176ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:b7:a9b9:e18d:e760	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 Records2 records 460ms

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

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (jks4u.dk)
-all (hard fail)	v=spf1 -all
~all (soft fail)	v=spf1 include:_custspf.one.com ~all

📨 DMARC

Policy	Record (_dmarc.jks4u.dk)
p=reject	v=DMARC1; p=reject

📬 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 303ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod8-cph3.one.com	DANE-EE · SPKI · SHA-256	BF2BAC81D64CD548F2920A7E0ADF7907…
SMTP _25._tcp.mx2.pub.mailpod8-cph3.one.com	DANE-EE · SPKI · SHA-256	BF2BAC81D64CD548F2920A7E0ADF7907…
SMTP _25._tcp.mx3.pub.mailpod8-cph3.one.com	DANE-EE · SPKI · SHA-256	BF2BAC81D64CD548F2920A7E0ADF7907…

🔐 DNSSEC370ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080516
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

160ms

A

164ms

MX

188ms

AAAA

176ms

TXT

460ms

CAA

218ms

HTTPS

204ms

TLSA

303ms

SOA

0ms

MTA-STS

272ms

DNSSEC

370ms

SRV

249ms

Total

2445ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-13 00:01:40	2445ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-10 03:50:56	3283ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-26 12:14:18	682ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-26 03:08:05	1194ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-25 17:41:23	1068ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-22 19:31:05	1052ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-22 14:11:28	1200ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 23:49:03	838ms	2 NS 1 A 3 MX	🔒 Secure	View