cbo.dk

📜 Historical scan 2026-06-28 22:32:00  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cbo.dk is a .dk domain served by 2 nameservers (liz.ns.cloudflare.com, sean.ns.cloudflare.com). It was registered on 11 April 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.10.164 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 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   40ms

🌍 A Records#

2 records   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.10.164 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.146.3 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

5 records   75ms

🔷 AAAA Records (IPv6)#

2 records   88ms

🔐 HTTPS Records#

1 records   44ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.10.164,172.67.146.3 ech=AEX+DQBBnQAgACDrjX1PBhsZd1A0l2UrlZn17CYnScyetW5FOlJdsAX8FAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:aa4,2606:4700:3034::ac43:9203

📝 TXT Records#

1 records   178ms
TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

PolicyRecord (cbo.dk)
~all (soft fail) v=spf1 include:_spf.google.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 2026-10-17 19:42:14

✍️ DKIM keys#

1 found
SelectorCNAMEKey
google — RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

136ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2407713191
Primary NS (MNAME)liz.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-16 19:43:27
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2012-04-11
Expires2029-04-30 (925d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
40ms
A
41ms
MX
75ms
AAAA
88ms
TXT
178ms
CAA
52ms
HTTPS
44ms
TLSA
86ms
SOA
0ms
MTA-STS
92ms
DNSSEC
136ms
SRV
91ms
Total
1283ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 19:42:13 2454ms 2 NS 4 A 5 MX 🔓 Insecure
2026-10-16 19:31:15 1883ms 2 NS 4 A 5 MX 🔓 Insecure
2026-09-29 19:21:46 785ms 2 NS 4 A 5 MX 🔓 Insecure
2026-09-29 12:52:22 1011ms 2 NS 4 A 5 MX 🔓 Insecure
2026-09-25 12:01:51 2709ms 2 NS 4 A 5 MX 🔓 Insecure
2026-09-20 22:36:52 1579ms 2 NS 4 A 5 MX 🔓 Insecure
2026-09-14 23:23:19 3209ms 2 NS 4 A 5 MX 🔓 Insecure
2026-08-26 13:38:03 857ms 2 NS 4 A 5 MX 🔓 Insecure
2026-08-25 01:56:46 1133ms 2 NS 4 A 5 MX 🔓 Insecure
2026-08-22 00:30:37 1814ms 2 NS 4 A 5 MX 🔓 Insecure
2026-08-17 19:18:12 8412ms 2 NS 4 A 5 MX 🔓 Insecure
2026-07-31 15:35:35 17282ms 2 NS 4 A 5 MX 🔓 Insecure
2026-07-18 20:04:48 1424ms 2 NS 2 A 5 MX 🔓 Insecure
2026-07-16 09:22:12 9694ms 2 NS 2 A 5 MX 🔓 Insecure
2026-06-28 22:32:00 shown 1283ms 2 NS 2 A 5 MX 🔓 Insecure
2026-06-16 19:50:54 668ms 2 NS 2 A 5 MX 🔓 Insecure
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