copublica.dk

📜 Historical scan 2026-08-31 17:22:27  ·  ← 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   27ms
NameserverIP addressesPTRASN / 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   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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   22ms
PriorityTTLMail ServerIP addressesPTRASN
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#

ServiceCNAME / IP
🔷 Autodiscover104.21.7.83
🔶 Autoconfig104.21.7.83

🔷 AAAA Records (IPv6)#

2 records   33ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
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   47ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.7.83,172.67.135.230 ech=AEX+DQBBzAAgACDHpwnbqQRrQxFsGzA/yaOSD5TTc2/1Vd5JMCQghbIcfwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:753,2606:4700:3034::ac43:87e6

📝 TXT Records#

1 records   171ms
TXT Record
v=spf1 include:_custspf.one.com ~all

✉️ SPF#

PolicyRecord (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 2026-10-22 04:56:54
www104.21.7.83 172.67.135.230 2606:4700:3031::6815:753 2606:4700:3034::ac43:87e6 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYPublished: 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

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.copublica.dk cZgthGr2N6GMBjT2dKb2tWpifXFwgl0r4WdkZqa7mwo
TXT _acme-challenge.copublica.dk hNkpwlNNgG9JwRlCHTS828-ORDDbIzOyKB2NtKsWfrg

🔗 TLSA / DANE#

3 records   68ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.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 3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx3.pub.mailpod2-cph3.one.com DANE-EE · SPKI · SHA-256 3E81C76D10E1A717F28178710EADCAA8…

🔐 DNSSEC#

99ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2413673373
Primary NS (MNAME)howard.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-06 08:53:05
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2016-11-27
Expires2026-11-30 (38d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
27ms
A
31ms
MX
22ms
AAAA
33ms
TXT
171ms
CAA
26ms
HTTPS
47ms
TLSA
68ms
SOA
0ms
MTA-STS
40ms
DNSSEC
99ms
SRV
63ms
Total
1127ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-22 04:56:54 2464ms 2 NS 2 A 4 MX 🔓 Insecure
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 shown 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
dhd.dk [/] search Domains, Hosts & DNS — .dk zone