kosternet.dk

📜 Historical scan 2026-09-20 21:25:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kosternet.dk is a .dk domain served by 2 nameservers (devin.ns.cloudflare.com, serenity.ns.cloudflare.com). It was registered on 14 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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 49ms

Nameserver	IP addresses	PTR	ASN / ISP
devin.ns.cloudflare.com	108.162.195.49 162.159.44.49 172.64.35.49 2606:4700:58::a29f:2c31 2803:f800:50::6ca2:c331 2a06:98c1:50::ac40:2331	devin.ns.cloudflare.com devin.ns.cloudflare.com devin.ns.cloudflare.com devin.ns.cloudflare.com devin.ns.cloudflare.com devin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
serenity.ns.cloudflare.com	108.162.194.108 162.159.38.108 172.64.34.108 2606:4700:50::a29f:266c 2803:f800:50::6ca2:c26c 2a06:98c1:50::ac40:226c	serenity.ns.cloudflare.com serenity.ns.cloudflare.com serenity.ns.cloudflare.com serenity.ns.cloudflare.com serenity.ns.cloudflare.com serenity.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

5 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c09::1b 2a00:1450:4010:c09::1b 74.125.205.27	lk-in-x1b.1e100.net lk-in-f27.1e100.net le-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::1b	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f27.1e100.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	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.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

📝 TXT Records#

1 records 191ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (kosternet.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.kosternet.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:thomas@kampvogn.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 2026-10-09 14:16:09

www	NXDOMAIN
www vs bare domain	Neither resolves kosternet.dk: no address www.kosternet.dk: no address
Wildcard	No

🔎 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#

2060ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2415208773
Primary NS (MNAME)	devin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 07:37:52

Field	Value
Registrar	Domeneshop AS
Registered	2026-05-14
Expires	2027-05-13 (203d)

🔗 Same registrant#

2 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).

Domain	Registrar
bydiana.dk	Punktum dk A/S (direct)
kampvogn.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

67ms

48ms

AAAA

44ms

TXT

191ms

CAA

45ms

HTTPS

38ms

TLSA

55ms

SOA

0ms

MTA-STS

76ms

DNSSEC

2060ms

SRV

69ms

Total

3118ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 14:16:09	1085ms	2 NS 0 A 5 MX	🔓 Insecure
2026-09-29 03:37:58	1697ms	2 NS 0 A 5 MX	🔓 Insecure
2026-09-28 03:20:24	820ms	2 NS 0 A 5 MX	🔓 Insecure
2026-09-20 21:25:32 shown	3118ms	2 NS 0 A 5 MX	🔓 Insecure
2026-09-20 11:49:56	734ms	2 NS 0 A 5 MX	🔓 Insecure
2026-08-26 04:14:24	1457ms	2 NS 0 A 5 MX	🔓 Insecure
2026-08-07 16:39:11	9488ms	2 NS 0 A 5 MX	🔓 Insecure
2026-07-21 15:33:41	10534ms	2 NS 0 A 5 MX	🔓 Insecure
2026-06-27 15:26:14	1201ms	2 NS 0 A 5 MX	🔓 Insecure
2026-06-18 04:12:18	824ms	2 NS 0 A 5 MX	🔓 Insecure