korsemann.dk DNS records

🖥️ Nameservers2 records 191ms

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 198ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.116	3600s	webcluster2.webpod13-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 153ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod14-cph3.one.com	185.10.9.212	mx1.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod14-cph3.one.com	185.10.9.213	mx2.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod14-cph3.one.com	185.10.9.214	mx3.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod14-cph3.one.com	185.10.9.215	mx4.pub.mailpod14-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)1 records 251ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10b:80a7:c68d:cb69:2d91	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 Records1 records 420ms

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

✉️ SPF

Policy	Record (korsemann.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com include:_spf.google.com ~all

📨 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 238ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…

🔐 DNSSEC288ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082305
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

191ms

A

198ms

MX

153ms

AAAA

251ms

TXT

420ms

CAA

148ms

HTTPS

95ms

TLSA

238ms

SOA

0ms

MTA-STS

219ms

DNSSEC

288ms

SRV

237ms

Total

3959ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 04:42:52	3959ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-21 23:56:27	1317ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-21 17:29:53	1007ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-18 11:53:18	18859ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-16 08:18:04	1244ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-14 10:17:49	1005ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-29 04:54:38	687ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-26 13:21:32	1534ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-25 00:16:18	1823ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-24 08:52:39	766ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-24 05:27:38	1015ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-22 23:07:41	846ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-22 07:59:06	823ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-18 06:26:27	941ms	2 NS 1 A 4 MX	🔒 Secure	View