copublica.dk

📜 Historical scan 2026-06-16 22:26:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

copublica.dk is a .dk domain served by 2 nameservers (howard.ns.cloudflare.com, katelyn.ns.cloudflare.com). It was registered on 27 November 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.7.83 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by copublica.dk.mx.one.com, mx1.pub.mailpod2-cph3.one.com and 2 more. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
howard.ns.cloudflare.com	—	—	—
katelyn.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.7.83	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.135.230	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	copublica.dk.mx.one.com	104.37.34.246 104.37.34.247 104.37.34.248 104.37.34.249	mx1.pub.mailpod12-cph3.one.com mx2.pub.mailpod12-cph3.one.com mx3.pub.mailpod12-cph3.one.com mx4.pub.mailpod12-cph3.one.com	AS51468 One.com A/S AS51468 One.com A/S AS51468 One.com A/S AS51468 One.com A/S
10	—	mx1.pub.mailpod2-cph3.one.com	104.37.34.246	mx1.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	—	mx2.pub.mailpod2-cph3.one.com	104.37.34.247	mx2.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	—	mx3.pub.mailpod2-cph3.one.com	104.37.34.248	mx3.pub.mailpod12-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

2 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:753	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3030::ac43:87e6	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 30ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.7.83,172.67.135.230 ech=AEX+DQBBAgAgACDurI0kjS+pgI4tREFXZNZReDzCEtZ7GTrS4X0Uec/8AwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:753,2606:4700:3030::ac43:87e6

📝 TXT Records#

1 records 135ms

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

✉️ SPF#

Policy	Record (copublica.dk)
~all (soft fail)	v=spf1 include:_custspf.one.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 12:28:49

www	104.21.7.83 172.67.135.230 2606:4700:3031::6815:753 2606:4700:3034::ac43:87e6 (AS13335) (address records, no CNAME)
www vs bare domain	Same network copublica.dk: 188.114.96.1 188.114.97.1 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.copublica.dk: 104.21.7.83 172.67.135.230 2606:4700:3031::6815:753 2606:4700:3034::ac43:87e6 (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

3 records 2052ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod2-cph3.one.com	DANE-EE · SPKI · SHA-256	D91CB8AC124CB360F986182813BDF3FD…
SMTP _25._tcp.mx2.pub.mailpod2-cph3.one.com	DANE-EE · SPKI · SHA-256	D91CB8AC124CB360F986182813BDF3FD…
SMTP _25._tcp.mx3.pub.mailpod2-cph3.one.com	DANE-EE · SPKI · SHA-256	D91CB8AC124CB360F986182813BDF3FD…

🔐 DNSSEC#

113ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

32ms

Field	Value
Serial	2406671816
Primary NS (MNAME)	howard.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 08:53:05

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-11-27
Expires	2026-11-30 (44d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

35ms

39ms

AAAA

33ms

TXT

135ms

CAA

34ms

HTTPS

30ms

TLSA

2052ms

SOA

32ms

MTA-STS

39ms

DNSSEC

113ms

SRV

0ms

Total

2763ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 08:15:23	520ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-28 06:30:38	1404ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-07 20:47:10	1984ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-31 17:22:27	1127ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-28 04:49:29	784ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-11 03:03:39	1788ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-08 17:03:34	2355ms	2 NS 2 A 4 MX	🔓 Insecure
2026-07-17 23:27:53	12814ms	2 NS 2 A 4 MX	🔓 Insecure
2026-07-03 13:16:06	12859ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-29 16:00:07	1229ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-26 17:19:35	981ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-20 03:55:45	11927ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-16 22:26:07 shown	2763ms	2 NS 2 A 4 MX	🔓 Insecure