kosternet.dk

Records from scan: 2026-10-09 14:16:09 · 1085ms total · last checked 2026-10-18 04:35 (unchanged)

⬇ 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 our latest 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
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 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c03::1a 2a00:1450:4010:c03::1a 74.125.131.27	lr-in-x1a.1e100.net lr-in-f26.1e100.net lu-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.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 171ms

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#

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#

129ms

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#

31ms

Field	Value
Serial	2416047958
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 (207d)

🔗 Same registrant#

1 domain

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)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

52ms

44ms

AAAA

42ms

TXT

171ms

CAA

44ms

HTTPS

51ms

TLSA

81ms

SOA

31ms

MTA-STS

53ms

DNSSEC

129ms

SRV

63ms

Total

1085ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 14:16:09 shown	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	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