zarzu.dk DNS records

🖥️ Nameservers2 records 48ms

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
46.30.213.33	3600s	webcluster2.webpod12-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)1 records 51ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10a:800a:4043:fdb4:fded	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 74ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…

🔐 DNSSEC111ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081705
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

48ms

A

35ms

MX

39ms

AAAA

51ms

TXT

195ms

CAA

61ms

HTTPS

63ms

TLSA

74ms

SOA

0ms

MTA-STS

53ms

DNSSEC

111ms

SRV

73ms

Total

702ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 03:42:53	702ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-19 01:47:41	1003ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-12 00:03:05	3851ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-06 17:04:00	1286ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-08 23:20:29	8781ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-06 22:23:57	16801ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-05 07:35:28	681ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-04 07:34:14	1489ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-03 14:50:30	390ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-06-27 15:19:25	2088ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-21 17:51:18	652ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-21 04:43:13	753ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 22:34:58	962ms	2 NS 1 A 4 MX	🔒 Secure	View