3z.dk DNS records

🖥️ Nameservers2 records 45ms

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 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.91	3600s	webcluster1.webpod13-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod13-cph3.one.com	185.10.9.42	mx1.pub.mailpod13-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod13-cph3.one.com	185.10.9.43	mx2.pub.mailpod13-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod13-cph3.one.com	185.10.9.44	mx3.pub.mailpod13-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod13-cph3.one.com	185.10.9.45	mx4.pub.mailpod13-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)1 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10b:dd:8550:f8a9:7bd8	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 / DANE8 records 95ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	7923F8E70F50B8C6DFFC5E73814B9D2D…
SMTP _25._tcp.mx1.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	BE8C554E6A2A9BFE9F87080F0AE71BAD…
SMTP _25._tcp.mx2.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	BE8C554E6A2A9BFE9F87080F0AE71BAD…
SMTP _25._tcp.mx2.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	7923F8E70F50B8C6DFFC5E73814B9D2D…
SMTP _25._tcp.mx3.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	BE8C554E6A2A9BFE9F87080F0AE71BAD…
SMTP _25._tcp.mx3.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	7923F8E70F50B8C6DFFC5E73814B9D2D…
SMTP _25._tcp.mx4.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	BE8C554E6A2A9BFE9F87080F0AE71BAD…
SMTP _25._tcp.mx4.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	7923F8E70F50B8C6DFFC5E73814B9D2D…

🔐 DNSSEC110ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082402
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

45ms

A

35ms

MX

53ms

AAAA

47ms

TXT

189ms

CAA

76ms

HTTPS

59ms

TLSA

95ms

SOA

0ms

MTA-STS

88ms

DNSSEC

110ms

SRV

77ms

Total

898ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 19:09:04	898ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-22 17:17:54	9203ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-08 23:08:33	4965ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-25 01:31:26	954ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-27 03:31:11	715ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-26 16:12:04	2506ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-23 14:11:49	1183ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 19:10:52	595ms	2 NS 1 A 4 MX	⚠️ Bogus	View
2026-06-20 01:28:58	1035ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-16 12:50:57	2009ms	2 NS 1 A 4 MX	🔒 Secure	View