docenten.dk

📜 Historical scan 2026-09-30 15:08:36 · ← 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 38ms

Nameserver	IP addresses	PTR	ASN / ISP
adaline.ns.cloudflare.com	108.162.194.49 162.159.38.49 172.64.34.49 2606:4700:50::a29f:2631 2803:f800:50::6ca2:c231 2a06:98c1:50::ac40:2231	adaline.ns.cloudflare.com adaline.ns.cloudflare.com adaline.ns.cloudflare.com adaline.ns.cloudflare.com adaline.ns.cloudflare.com adaline.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
martin.ns.cloudflare.com	108.162.195.87 162.159.44.87 172.64.35.87 2606:4700:58::a29f:2c57 2803:f800:50::6ca2:c357 2a06:98c1:50::ac40:2357	martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com martin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.19	300s	linux12.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

5 records 64ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	142.251.1.27 2a00:1450:4010:c07::1b 2a00:1450:4010:c07::1b	lb-in-f27.1e100.net lf-in-x1b.1e100.net lf-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 73ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

5 records 199ms

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#

Policy	Record (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#

Policy	Record (_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

www	185.21.40.19 (AS48854) (address records, no CNAME)
www vs bare domain	Same network docenten.dk: 185.21.40.19 (AS48854) www.docenten.dk: 185.21.40.19 (AS48854)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
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#

60ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

48ms

Field	Value
Serial	2414779878
Primary NS (MNAME)	adaline.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-03 15:53:07

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-05-20
Expires	2027-07-31 (285d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

34ms

64ms

AAAA

69ms

TXT

199ms

CAA

60ms

HTTPS

61ms

TLSA

78ms

SOA

48ms

MTA-STS

59ms

DNSSEC

60ms

SRV

73ms

Total

1180ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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 shown	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	641ms	2 NS 1 A 5 MX	🔓 Insecure