kroegh-nielsen.dk DNS records

🖥️ Nameservers2 records 349ms

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 333ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.0	3600s	webcluster1.webpod12-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records3 records 295ms

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 323ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10a:1:47e7:56a8:28a0	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 880ms

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

✉️ SPF

Policy	Record (kroegh-nielsen.dk)
-all (hard fail)	v=spf1 include:_custspf.one.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 / DANE3 records 686ms

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…

🔐 DNSSEC720ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081701
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

349ms

A

333ms

MX

295ms

AAAA

323ms

TXT

880ms

CAA

223ms

HTTPS

251ms

TLSA

686ms

SOA

0ms

MTA-STS

421ms

DNSSEC

720ms

SRV

304ms

Total

5839ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-18 20:53:14	5839ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-16 04:07:31	1052ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-13 04:07:02	3147ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-21 20:38:14	8817ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-26 07:32:13	1058ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-25 05:10:03	842ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-23 13:15:02	1153ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 15:15:30	1262ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-18 05:46:22	17330ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-18 04:08:53	1450ms	2 NS 1 A 3 MX	🔒 Secure	View