lean4u.dk

📜 Historical scan 2026-06-17 18:34:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

lean4u.dk is a .dk domain served by 3 nameservers (ns4.dns-123.net, ns5.dns-123.net, ns6.dns-123.net). It was registered on 28 June 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by server6103.serverpark.dk. The zone is DNSSEC-signed and validates, 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#

3 records 358ms

Nameserver	IP addresses	PTR	ASN / ISP
ns4.dns-123.net	35.198.132.83	83.132.198.35.bc.googleusercontent.com	AS396982 Google LLC
ns5.dns-123.net	35.187.184.173	173.184.187.35.bc.googleusercontent.com	AS396982 Google LLC
ns6.dns-123.net	35.228.54.1	1.54.228.35.bc.googleusercontent.com	AS396982 Google LLC

🌍 A Records#

1 records 291ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.103.46.103	—	server6103.serverpark.dk	AS44869	—	—	—	—

📧 MX Records#

1 records 144ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	server6103.serverpark.dk	5.103.46.103	server6103.serverpark.dk	AS44869 FIBIA P/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 350ms

TXT Record
MS=ms34110675
v=spf1 a mx include:_spf.serverpark.dk ~all

✉️ SPF#

Policy	Record (lean4u.dk)
~all (soft fail)	v=spf1 a mx include:_spf.serverpark.dk ~all

📨 DMARC#

Policy	Record (_dmarc.lean4u.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-12 22:23:39

www	5.103.46.103 (AS44869) (address records, no CNAME)
www vs bare domain	Same network lean4u.dk: 5.103.46.103 (AS44869) www.lean4u.dk: 5.103.46.103 (AS44869)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

340ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

181ms

Field	Value
Serial	2009121648
Primary NS (MNAME)	ns4.dns-123.net
Responsible (RNAME)	admin@dns-123.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-13 07:48:44

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-06-28
Expires	2027-06-30 (256d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

358ms

291ms

144ms

AAAA

137ms

TXT

350ms

CAA

318ms

HTTPS

297ms

TLSA

77ms

SOA

181ms

MTA-STS

148ms

DNSSEC

340ms

SRV

0ms

Total

724ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 06:15:43	772ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 02:15:34	747ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-25 19:59:02	9534ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-11 20:54:36	949ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-28 17:30:37	910ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-25 22:26:55	479ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-24 07:10:45	930ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 18:34:26 shown	724ms	3 NS 1 A 1 MX	🔒 Secure