cogj.dk

📜 Historical scan 2026-10-17 20:22:28  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cogj.dk is a .dk domain served by 2 nameservers (janet.ns.cloudflare.com, leland.ns.cloudflare.com). It was registered on 13 July 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.31.131 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. The zone is DNSSEC-signed and validates, publishes a 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   35ms

🌍 A Records#

2 records   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.31.131 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.176.138 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

2 records   33ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx01.mail.icloud.com 17.42.251.62
17.42.251.62
17.42.251.62
17.56.9.31
17.56.9.31
17.57.152.5
17.57.152.5
17.57.152.5
17.57.152.5
17.57.154.33
17.57.154.33
17.57.155.25
17.57.155.25
17.57.156.30
17.57.156.30
mx01.mail.icloud.com
mx02.mail.icloud.com
mx3.mail.icloud.com
mx01.mail.icloud.com
mx02.mail.icloud.com
smtp1.ic4-privaterelay.appleid.com
mx02.mail.icloud.com
mx01.mail.icloud.com
ic4-privaterelay.appleid.com
mx02.mail.icloud.com
mx01.mail.icloud.com
mx02.mail.icloud.com
mx01.mail.icloud.com
mx02.mail.icloud.com
mx01.mail.icloud.com
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
10 300s mx02.mail.icloud.com 17.42.251.62
17.42.251.62
17.42.251.62
17.56.9.31
17.56.9.31
17.57.152.5
17.57.152.5
17.57.152.5
17.57.152.5
17.57.154.33
17.57.154.33
17.57.155.25
17.57.155.25
17.57.156.30
17.57.156.30
mx3.mail.icloud.com
mx02.mail.icloud.com
mx01.mail.icloud.com
mx01.mail.icloud.com
mx02.mail.icloud.com
ic4-privaterelay.appleid.com
mx01.mail.icloud.com
mx02.mail.icloud.com
smtp1.ic4-privaterelay.appleid.com
mx02.mail.icloud.com
mx01.mail.icloud.com
mx02.mail.icloud.com
mx01.mail.icloud.com
mx02.mail.icloud.com
mx01.mail.icloud.com
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.
AS714 Apple Inc.

🔷 AAAA Records (IPv6)#

2 records   36ms

🔐 HTTPS Records#

1 records   42ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.31.131,172.67.176.138 ech=AEX+DQBBbwAgACChrnUDRLAc+z13WhQmrb3uQyeki3MfDMQY9ijrVGZAOgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:b08a,2606:4700:3037::6815:1f83

📝 TXT Records#

3 records   185ms
TXT Record
apple-domain=IMMs0He6RhTi64Nx
google-site-verification=TdG9iWyHKqjsVNqpXeqJHHsTg6u-_EfIbQguKRxjn_4
v=spf1 include:icloud.com ~all

✉️ SPF#

PolicyRecord (cogj.dk)
~all (soft fail) v=spf1 include:icloud.com ~all

📨 DMARC#

PolicyRecord (_dmarc.cogj.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:646b87792d344c4cbfca33e9d650e52e@dmarc-reports.cloudflare.net

📬 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 2026-10-18 20:25:41
www104.21.31.131 172.67.176.138 2606:4700:3030::ac43:b08a 2606:4700:3037::6815:1f83 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
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: 5/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.cogj.dk -8cTAdRS7JoSu3nqX-wGqyhmzU2QbtYoWNJR2AbC7iE
TXT _acme-challenge.cogj.dk aqDLRWEW2u_LFYlk482vZ-ece_tMuYXjhXP_3LuK9uY

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

59ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

29ms
FieldValue
Serial2417728178
Primary NS (MNAME)janet.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-15 23:46:35
FieldValue
RegistrarDANDOMAIN A/S
Registered2008-07-13
Expires2027-07-31 (284d)

🔗 Same registrant#

4 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
badmintonapp.dkDANDOMAIN A/S
provebillede.dkDANDOMAIN A/S
provebilledetest.dkPunktum dk A/S (direct)
steenlajladans.dkDANDOMAIN A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
35ms
A
41ms
MX
33ms
AAAA
36ms
TXT
185ms
CAA
40ms
HTTPS
42ms
TLSA
108ms
SOA
29ms
MTA-STS
47ms
DNSSEC
59ms
SRV
72ms
Total
582ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-18 20:25:41 936ms 2 NS 2 A 2 MX 🔒 Secure
2026-10-17 20:22:28 shown 582ms 2 NS 2 A 2 MX 🔒 Secure
2026-10-09 11:13:50 591ms 2 NS 2 A 2 MX 🔒 Secure
2026-09-27 22:12:06 1677ms 2 NS 2 A 2 MX 🔒 Secure
2026-09-26 21:53:18 702ms 2 NS 0 A 2 MX 🔒 Secure
2026-09-25 05:43:38 808ms 2 NS 0 A 2 MX 🔒 Secure
2026-09-24 05:32:09 791ms 2 NS 0 A 2 MX 🔒 Secure
2026-09-03 06:59:39 789ms 2 NS 0 A 2 MX 🔒 Secure
2026-08-18 21:34:15 9624ms 2 NS 0 A 2 MX 🔒 Secure
2026-08-17 15:22:02 2733ms 2 NS 0 A 2 MX 🔒 Secure
2026-08-09 19:59:35 9668ms 2 NS 0 A 2 MX 🔒 Secure
2026-07-25 16:29:12 1599ms 2 NS 0 A 2 MX 🔒 Secure
2026-07-14 22:50:17 9256ms 2 NS 0 A 2 MX 🔒 Secure
2026-06-22 15:38:10 1017ms 2 NS 0 A 2 MX 🔒 Secure
2026-06-21 00:14:38 1547ms 2 NS 0 A 2 MX 🔒 Secure
2026-06-19 09:54:43 1160ms 2 NS 0 A 2 MX 🔒 Secure
2026-06-16 21:44:16 643ms 2 NS 0 A 2 MX 🔒 Secure
2026-06-16 21:40:19 2850ms 2 NS 0 A 2 MX 🔒 Secure
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