docenten.dk

📜 Historical scan 2026-06-17 04:01:16  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

docenten.dk is a .dk domain served by 2 nameservers (adaline.ns.cloudflare.com, martin.ns.cloudflare.com). It was registered on 20 May 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.19 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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
NameserverIP addressesPTRASN / ISP
adaline.ns.cloudflare.com — — —
martin.ns.cloudflare.com — — —

🌍 A Records#

1 records   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.21.40.19 — linux12.curanet.dk AS48854 team.blue Denmark A/S 185.21.40.0/22 🇩🇰 Denmark —

📧 MX Records#

5 records   41ms
PriorityTTLMail ServerIP addressesPTRASN
1 — aspmx.l.google.com 108.177.14.26 lt-in-f26.1e100.net AS15169 Google LLC
5 — alt1.aspmx.l.google.com 172.253.158.26 so-in-f26.1e100.net AS15169 Google LLC
5 — alt2.aspmx.l.google.com 172.253.158.26 so-in-f26.1e100.net AS15169 Google LLC
10 — alt3.aspmx.l.google.com 172.253.158.27 so-in-f27.1e100.net AS15169 Google LLC
10 — alt4.aspmx.l.google.com 192.178.230.27 yunrtab-in-f27.1e100.net AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

5 records   140ms
TXT Record
google-site-verification=Df49KFbLOyYxTasJlT4RR03FtMEPdbR0NoM6LeeLej4
google-site-verification=EFNTq0cJ2avjHkmXmKVXxVp_NBR-939frhb2IvFFK5w
mandrill_verify.HeMEp88npEtZHlNo_47ZgA
MS=ms60315963
v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf.mandrillapp.com include:_spf.google.com include:servers.mcsv.net include:amazonses.com ~all

✉️ SPF#

PolicyRecord (docenten.dk)
~all (soft fail) v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf.mandrillapp.com include:_spf.google.com include:servers.mcsv.net include:amazonses.com ~all

📨 DMARC#

PolicyRecord (_dmarc.docenten.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com

📬 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 17:22:33
www185.21.40.19 (AS48854) (address records, no CNAME)
www vs bare domainSame network
docenten.dk: 185.21.40.19 (AS48854)
www.docenten.dk: 185.21.40.19 (AS48854)
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYDelete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found
SelectorCNAMEKey
google — RSA · ~2048 bit
mail — 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: 6/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

128ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

26ms
FieldValue
Serial2406764728
Primary NS (MNAME)adaline.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-03 15:53:07
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2013-05-20
Expires2027-07-31 (286d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
40ms
A
41ms
MX
41ms
AAAA
40ms
TXT
140ms
CAA
39ms
HTTPS
41ms
TLSA
72ms
SOA
26ms
MTA-STS
62ms
DNSSEC
128ms
SRV
0ms
Total
641ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 17:22:33 1002ms 2 NS 1 A 5 MX 🔓 Insecure
2026-10-07 17:18:32 1219ms 2 NS 1 A 5 MX 🔓 Insecure
2026-10-05 15:31:37 994ms 2 NS 1 A 5 MX 🔓 Insecure
2026-10-03 15:18:45 635ms 2 NS 1 A 5 MX 🔓 Insecure
2026-09-30 15:08:36 1180ms 2 NS 1 A 5 MX 🔓 Insecure
2026-09-30 01:27:52 674ms 2 NS 1 A 5 MX 🔓 Insecure
2026-09-14 00:12:13 9798ms 2 NS 1 A 5 MX 🔓 Insecure
2026-08-29 18:02:40 1841ms 2 NS 1 A 5 MX 🔓 Insecure
2026-08-27 15:42:56 1356ms 2 NS 1 A 5 MX 🔓 Insecure
2026-08-21 02:37:14 1544ms 2 NS 1 A 5 MX 🔓 Insecure
2026-08-09 19:00:08 8391ms 2 NS 1 A 5 MX 🔓 Insecure
2026-08-04 23:50:34 1490ms 2 NS 1 A 5 MX 🔓 Insecure
2026-07-28 15:07:04 10842ms 2 NS 1 A 5 MX 🔓 Insecure
2026-07-03 19:39:43 13640ms 2 NS 1 A 5 MX 🔓 Insecure
2026-06-23 15:49:23 1260ms 2 NS 1 A 5 MX 🔓 Insecure
2026-06-17 04:10:12 564ms 2 NS 1 A 5 MX 🔓 Insecure
2026-06-17 04:04:47 2945ms 2 NS 1 A 5 MX 🔓 Insecure
2026-06-17 04:02:53 29499ms 2 NS 1 A 5 MX 🔓 Insecure
2026-06-17 04:01:16 shown 641ms 2 NS 1 A 5 MX 🔓 Insecure
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