zircular.dk DNS records

🖥️ Nameservers2 records 37ms

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 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.65	3600s	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records4 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod12-cph3.one.com	104.37.34.246	mx1.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod12-cph3.one.com	104.37.34.247	mx2.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod12-cph3.one.com	104.37.34.248	mx3.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod12-cph3.one.com	104.37.34.249	mx4.pub.mailpod12-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	46.30.213.167
🔶 Autoconfig	46.30.213.167

🔷 AAAA Records (IPv6)1 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2620:127:f00f:e::	3600s	—	AS13335	Cloudflare, Inc.	2620:127:f00c:0:0:0:0:0/46	🇨🇦 Canada	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 160ms

TXT Record
google-site-verification=AE9fo6hcR_hNjQvw19tfFpjjturpMjCGolr4Gm7c0lA
openai-domain-verification=dv-HjsgPymIqmUBWIbKuWh8IrBp
pinterest-site-verification=cd3b32984c932f940b95f19646a32681

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

Policy	Record (_dmarc.zircular.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 258ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	D91CB8AC124CB360F986182813BDF3FD…
SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	D91CB8AC124CB360F986182813BDF3FD…
SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	D91CB8AC124CB360F986182813BDF3FD…
SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	D91CB8AC124CB360F986182813BDF3FD…

🔐 DNSSEC61ms

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

🏷️ SOA36ms

Field	Value
Serial	2026052004
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

37ms

A

27ms

MX

37ms

AAAA

37ms

TXT

160ms

CAA

37ms

HTTPS

67ms

TLSA

258ms

SOA

36ms

MTA-STS

83ms

DNSSEC

61ms

SRV

88ms

Total

847ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 14:04:06	726ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-19 08:39:13	4923ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-21 13:05:01	1023ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-20 09:01:23	2916ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-04 20:29:06	4618ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-25 23:59:52	847ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-22 17:56:42	837ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 12:02:14	946ms	2 NS 1 A 4 MX	🔒 Secure	View