kessler.dk DNS records

🖥️ Nameservers2 records 323ms

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 326ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.100	3600s	webcluster2.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 316ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod12-cph3.one.com	104.37.34.246	mx1.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod12-cph3.one.com	104.37.34.247	mx2.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod12-cph3.one.com	104.37.34.248	mx3.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod12-cph3.one.com	104.37.34.249	mx4.pub.mailpod12-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	46.30.215.100
🔶 Autoconfig	46.30.215.100

🔷 AAAA Records (IPv6)1 records 344ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:111:8023:9084:6f7b:829d	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 / DANE4 records 758ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	D91CB8AC124CB360F986182813BDF3FD…
SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	D91CB8AC124CB360F986182813BDF3FD…
SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	D91CB8AC124CB360F986182813BDF3FD…
SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	D91CB8AC124CB360F986182813BDF3FD…

🔐 DNSSEC956ms

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

🏷️ SOA320ms

Field	Value
Serial	2026061902
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

323ms

A

326ms

MX

316ms

AAAA

344ms

TXT

1164ms

CAA

330ms

HTTPS

379ms

TLSA

758ms

SOA

320ms

MTA-STS

227ms

DNSSEC

956ms

SRV

2288ms

Total

7163ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-19 00:56:15	8192ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-11 04:45:10	999ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-09 10:37:52	8946ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-04 13:12:35	2842ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-03 05:11:01	1427ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-24 01:02:13	814ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-19 21:03:01	7163ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-19 07:29:06	1002ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-18 00:58:29	888ms	2 NS 1 A 4 MX	🔒 Secure	View