c-optik.dk DNS records

🖥️ Nameservers2 records 77ms

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 71ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.179	3600s	webcluster52.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 104ms

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 62ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:809b:6619:b8fe:891c	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 8087ms

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	7923F8E70F50B8C6DFFC5E73814B9D2D…
SMTP _25._tcp.mx2.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.mx3.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…
SMTP _25._tcp.mx4.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	BE8C554E6A2A9BFE9F87080F0AE71BAD…

🔐 DNSSEC164ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082202
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

77ms

A

71ms

MX

104ms

AAAA

62ms

TXT

244ms

CAA

87ms

HTTPS

69ms

TLSA

8087ms

SOA

0ms

MTA-STS

94ms

DNSSEC

164ms

SRV

145ms

Total

9028ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-23 03:45:42	9028ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-21 03:28:09	8920ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-01 21:26:44	4961ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-30 12:03:39	1969ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-21 08:29:00	1585ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-16 18:48:59	633ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-16 18:41:01	904ms	2 NS 1 A 4 MX	🔒 Secure	View