zwicky.dk DNS records

🖥️ Nameservers2 records 91ms

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
46.30.213.154	—	webcluster1.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 73ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.mailpod15-cph3.g1i.one.com	104.37.35.36	mx1.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	—	mx2.mailpod15-cph3.g1i.one.com	104.37.35.37	mx2.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	—	mx3.mailpod15-cph3.g1i.one.com	104.37.35.38	mx3.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	—	mx4.mailpod15-cph3.g1i.one.com	104.37.35.39	mx4.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	46.30.213.154
🔶 Autoconfig	46.30.213.154

🔷 AAAA Records (IPv6)1 records 90ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:d3:876:e920:a8ee	—	—	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 196ms

TXT Record
v=spf1 include:_custspf.one.com include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (zwicky.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com include:spf.protection.outlook.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 92ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…

🔐 DNSSEC89ms

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

🏷️ SOA66ms

Field	Value
Serial	2026060501
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

91ms

A

35ms

MX

73ms

AAAA

90ms

TXT

196ms

CAA

113ms

HTTPS

66ms

TLSA

92ms

SOA

66ms

MTA-STS

78ms

DNSSEC

89ms

SRV

140ms

Total

795ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 14:43:23	878ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-27 00:42:17	696ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-26 00:01:02	1821ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-14 17:56:04	5078ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-28 06:21:59	700ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-18 00:17:58	795ms	2 NS 1 A 4 MX	🔒 Secure	View