leertech.dk

📜 Historical scan 2026-09-18 11:07:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

leertech.dk is a .dk domain served by 2 nameservers (jessica.ns.cloudflare.com, nicolas.ns.cloudflare.com). It was registered on 16 December 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.1gbit.dk. 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 133ms

Nameserver	IP addresses	PTR	ASN / ISP
jessica.ns.cloudflare.com	108.162.192.171 172.64.32.171 173.245.58.171 2606:4700:50::adf5:3aab 2803:f800:50::6ca2:c0ab 2a06:98c1:50::ac40:20ab	jessica.ns.cloudflare.com jessica.ns.cloudflare.com jessica.ns.cloudflare.com jessica.ns.cloudflare.com jessica.ns.cloudflare.com jessica.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nicolas.ns.cloudflare.com	108.162.195.84 162.159.44.84 172.64.35.84 2606:4700:58::a29f:2c54 2803:f800:50::6ca2:c354 2a06:98c1:50::ac40:2354	nicolas.ns.cloudflare.com nicolas.ns.cloudflare.com nicolas.ns.cloudflare.com nicolas.ns.cloudflare.com nicolas.ns.cloudflare.com nicolas.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#

1 records 121ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.1gbit.dk	116.203.136.184	mail.1gbit.dk	AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 236ms

TXT Record
v=spf1 mx ~all

✉️ SPF#

Policy	Record (leertech.dk)
~all (soft fail)	v=spf1 mx ~all

📨 DMARC#

Policy	Record (_dmarc.leertech.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:kontakt@leertech.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 11:09:00

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

✍️ DKIM keys#

1 found

Selector	CNAME	Key
dkim	—	RSA · ~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: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.leertech.dk	CLgysaLHBJhUXHaP07wk-vUQDBtxqDKN7XxyD6T4Y9U
TXT	_acme-challenge.leertech.dk	ZXtjvrK6TwQtV92v8m1MA0t70D53bLjK7UNhgG7Faj8

🔗 TLSA / DANE#

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

🔐 DNSSEC#

169ms

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	2415136851
Primary NS (MNAME)	jessica.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 23:49:12

Field	Value
Registrar	Simply.com A/S
Registered	2025-12-16
Expires	2026-12-15 (57d)

📋 WHOIS#

⏱️ Lookup Timing#

133ms

116ms

121ms

AAAA

99ms

TXT

236ms

CAA

156ms

HTTPS

126ms

TLSA

99ms

SOA

0ms

MTA-STS

111ms

DNSSEC

169ms

SRV

148ms

Total

1709ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 11:09:00	962ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-09 04:42:27	2420ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-05 23:51:51	1318ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-03 23:46:47	2108ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-02 23:42:25	845ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-01 23:41:33	991ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-30 23:36:28	872ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-30 13:37:06	1200ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-28 13:22:45	1047ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-24 12:46:45	1208ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-23 10:02:31	820ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-18 11:07:26 shown	1709ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-11 09:20:06	9855ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-07 04:35:00	776ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-26 21:20:49	1025ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-11 04:18:27	2490ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-07 02:34:38	989ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-04 19:51:28	1403ms	1 NS 0 A 0 MX	❓ Unknown
2026-06-25 20:52:10	2612ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-25 02:28:56	1208ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-22 04:17:59	1134ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 12:52:47	731ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-18 06:01:11	777ms	2 NS 0 A 1 MX	🔓 Insecure