copublica.dk

📜 Historical scan 2026-09-07 20:47:10 · ← 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 165ms

Nameserver	IP addresses	PTR	ASN / ISP
howard.ns.cloudflare.com	108.162.195.171 162.159.44.171 172.64.35.171 2606:4700:58::a29f:2cab 2803:f800:50::6ca2:c3ab 2a06:98c1:50::ac40:23ab	howard.ns.cloudflare.com howard.ns.cloudflare.com howard.ns.cloudflare.com howard.ns.cloudflare.com howard.ns.cloudflare.com howard.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
katelyn.ns.cloudflare.com	108.162.194.235 162.159.38.235 172.64.34.235 2606:4700:50::a29f:26eb 2803:f800:50::6ca2:c2eb 2a06:98c1:50::ac40:22eb	katelyn.ns.cloudflare.com katelyn.ns.cloudflare.com katelyn.ns.cloudflare.com katelyn.ns.cloudflare.com katelyn.ns.cloudflare.com katelyn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 115ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.7.83	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.135.230	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 126ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	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	300s	mx1.pub.mailpod2-cph3.one.com	104.37.34.246	mx1.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	300s	mx2.pub.mailpod2-cph3.one.com	104.37.34.247	mx2.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	300s	mx3.pub.mailpod2-cph3.one.com	104.37.34.248	mx3.pub.mailpod12-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.135.230
🔶 Autoconfig	104.21.7.83

🔷 AAAA Records (IPv6)#

2 records 121ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:753	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:87e6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 157ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.7.83,172.67.135.230 ech=AEX+DQBB6QAgACAE6BahVdfM4i55UU//QDN2ub18zBNeprlKhoKhjjt8EQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:753,2606:4700:3034::ac43:87e6

📝 TXT Records#

1 records 277ms

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#

6 records 204ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod2-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx1.pub.mailpod2-cph3.one.com	DANE-EE · SPKI · SHA-256	2CDDC5D748A3C02AC19FF7BC33AA01A5…
SMTP _25._tcp.mx2.pub.mailpod2-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx2.pub.mailpod2-cph3.one.com	DANE-EE · SPKI · SHA-256	2CDDC5D748A3C02AC19FF7BC33AA01A5…
SMTP _25._tcp.mx3.pub.mailpod2-cph3.one.com	DANE-EE · SPKI · SHA-256	2CDDC5D748A3C02AC19FF7BC33AA01A5…
SMTP _25._tcp.mx3.pub.mailpod2-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…

🔐 DNSSEC#

213ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413912499
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 (41d)

📋 WHOIS#

⏱️ Lookup Timing#

165ms

115ms

126ms

AAAA

121ms

TXT

277ms

CAA

116ms

HTTPS

157ms

TLSA

204ms

SOA

0ms

MTA-STS

144ms

DNSSEC

213ms

SRV

153ms

Total

1984ms

🕐 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 shown	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	2763ms	2 NS 2 A 4 MX	🔓 Insecure