lsk.dk

📜 Historical scan 2026-08-07 17:36:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

lsk.dk is a .dk domain served by 2 nameservers (duke.ns.cloudflare.com, kiki.ns.cloudflare.com). It was registered on 9 September 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.6.166 is hosted by Cloudflare, Inc. (AS13335). 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 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#

2 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
duke.ns.cloudflare.com	108.162.193.110 172.64.33.110 173.245.59.110 2606:4700:58::adf5:3b6e 2803:f800:50::6ca2:c16e 2a06:98c1:50::ac40:216e	duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kiki.ns.cloudflare.com	108.162.192.180 172.64.32.180 173.245.58.180 2606:4700:50::adf5:3ab4 2803:f800:50::6ca2:c0b4 2a06:98c1:50::ac40:20b4	kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.6.166	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.135.9	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1a 74.125.131.26	lt-in-x1a.1e100.net lt-in-f26.1e100.net lu-in-f26.1e100.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	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-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	172.253.158.27 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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.6.166
🔶 Autoconfig	104.21.6.166

🔷 AAAA Records (IPv6)#

2 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:6a6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:8709	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 55ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.6.166,172.67.135.9 ech=AEX+DQBBdAAgACDVWeWVwnXIEPPfnSSJHCg/uQ9YKjSh047ycADFH6t/DwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:6a6,2606:4700:3034::ac43:8709

📝 TXT Records#

2 records 215ms

TXT Record
google-site-verification=QPJ57jQcsDuu5SHgDeK-ZBhc74T_cXQv32AQ0YVh2nM
v=spf1 mx a ip4:84.19.174.8 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (lsk.dk)
~all (soft fail)	v=spf1 mx a ip4:84.19.174.8 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.lsk.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@klubmodul.dk; ruf=mailto:dmarc@klubmodul.dk; fo=0:1:d:s; adkim=s; aspf=s

📬 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 2026-10-08 04:56:01

www	104.21.6.166 172.67.135.9 2606:4700:3031::6815:6a6 2606:4700:3034::ac43:8709 (AS13335) (address records, no CNAME)
www vs bare domain	Same network lsk.dk: 104.21.6.166 172.67.135.9 2606:4700:3031::6815:6a6 2606:4700:3034::ac43:8709 (AS13335) www.lsk.dk: 104.21.6.166 172.67.135.9 2606:4700:3031::6815:6a6 2606:4700:3034::ac43:8709 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

92ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2411556189
Primary NS (MNAME)	duke.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 01:31:13

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-09-09
Expires	2027-09-30 (346d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

30ms

32ms

AAAA

39ms

TXT

215ms

CAA

51ms

HTTPS

55ms

TLSA

112ms

SOA

0ms

MTA-STS

70ms

DNSSEC

92ms

SRV

78ms

Total

1556ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 01:08:57	849ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-26 23:31:40	896ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-24 23:06:23	719ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-07 17:36:33 shown	1556ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-06 14:23:39	1409ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-20 00:55:44	3949ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-17 22:04:46	998ms	2 NS 2 A 5 MX	🔓 Insecure