ceb.dk

📜 Historical scan 2026-06-21 16:09:25  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ceb.dk is a .dk domain served by 3 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services). It was registered on 22 December 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 167.86.70.99 is hosted by Contabo GmbH (AS51167) in Germany. Mail is handled by mail.annemarie.nu. 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#

3 records   103ms

🌍 A Records#

1 records   47ms

📧 MX Records#

1 records   104ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverceb.dk → 167.86.70.99
🔶 Autoconfigceb.dk → 167.86.70.99

🔷 AAAA Records (IPv6)#

1 records   104ms

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   239ms
TXT Record
v=spf1 a mx ip4:5.189.136.249 ip6:2a02:c207:2006:9867::1 ip6:2a02:c207:2006:9867:0000:0000:0000:0001 -all

✉️ SPF#

PolicyRecord (ceb.dk)
-all (hard fail) v=spf1 a mx ip4:5.189.136.249 ip6:2a02:c207:2006:9867::1 ip6:2a02:c207:2006:9867:0000:0000:0000:0001 -all

📨 DMARC#

PolicyRecord (_dmarc.ceb.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@c-online.dk;

📬 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 2026-10-07 23:06:14
www CNAMEceb.dk (all on ceb.dk)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
dkim — RSA · ~1024 bit below 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: 2/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.ceb.dk ceb.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

89ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

65ms
FieldValue
Serial2023060121
Primary NS (MNAME)ns1.dns.services
Responsible (RNAME)post@dns.services
Refresh10800s
Retry3600s
Expire1814400s
Minimum (neg-cache TTL)7200s

📋 Registration#

WHOIS fetched 2026-10-15 02:31:52
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2000-12-22
Expires2026-12-31 (72d)

🔗 Same registrant#

5 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
bruttonationalprodukt.dkPunktum dk A/S (direct)
bucci.dkPunktum dk A/S (direct)
conline.dkPunktum dk A/S (direct)
osteguide.dkPunktum dk A/S (direct)
x6.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
103ms
A
47ms
MX
104ms
AAAA
104ms
TXT
239ms
CAA
67ms
HTTPS
47ms
TLSA
167ms
SOA
65ms
MTA-STS
110ms
DNSSEC
89ms
SRV
190ms
Total
807ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 23:06:14 659ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-15 03:59:06 587ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-27 10:29:30 797ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-26 14:44:57 2021ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-26 23:15:38 1893ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-24 02:41:11 1018ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-21 16:09:25 shown 807ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-20 02:27:18 2884ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-16 19:55:21 627ms 3 NS 1 A 1 MX 🔒 Secure
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