lasse-it.dk

📜 Historical scan 2026-06-30 00:22:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

lasse-it.dk is a .dk domain served by 2 nameservers (ns1.lasse-it.dk, ns2.lasse-it.dk). It was registered on 20 January 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.186.53.20 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by lasse-it.dk. The zone is DNSSEC-signed and validates, 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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.lasse-it.dk	5.186.53.20	5.186.53.20.static.fibianet.dk	AS44869 FIBIA P/S
ns2.lasse-it.dk	2a13:e740:20f:9ca3::2 91.229.203.91	— —	AS216275 Netnoerden ApS AS216275 Netnoerden ApS

🌍 A Records#

2 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.186.53.20	300s	5.186.53.20.static.fibianet.dk	AS44869	FIBIA P/S	5.186.0.0/16	🇩🇰 Denmark	Aarhus
91.229.203.91	300s	—	AS216275	Netnoerden ApS	91.229.203.0/24	🇩🇰 Denmark	Virum

📧 MX Records#

1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	lasse-it.dk	2001:470:27:81b::2 5.186.53.20 91.229.203.91	tunnel809304-pt.tunnel.tserv24.sto1.ipv6.he.net 5.186.53.20.static.fibianet.dk —	AS6939 Hurricane Electric LLC AS44869 FIBIA P/S AS216275 Netnoerden ApS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	lasse-it.dk → 5.186.53.20
🔶 Autoconfig	lasse-it.dk → 5.186.53.20

🔷 AAAA Records (IPv6)#

1 records 52ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:470:27:81b::2	300s	tunnel809304-pt.tunnel.tserv24.sto1.ipv6.he.net	AS6939	Hurricane Electric LLC	2001:470:24:0:0:0:0:0/46	🇺🇸 United States	Minneapolis

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 173ms

TXT Record
google-site-verification=1wTOQfVlAeeQvLGmbidRB0fmNkU8RkI9plQ4renD8kE
v=spf1 a:lasse-it.dk -all

✉️ SPF#

Policy	Record (lasse-it.dk)
-all (hard fail)	v=spf1 a:lasse-it.dk -all

📨 DMARC#

Policy	Record (_dmarc.lasse-it.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:re+lmmza2uqx8v@dmarc.postmarkapp.com; sp=reject; aspf=r;

📬 MTA-STS#

379ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	2017112001
max_age	4809600s
Policy MX	lasse-it.dk

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:postmaster@lasse-it.dk

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-23 02:51:35

www CNAME	lasse-it.dk (all on lasse-it.dk) → 86.52.61.131 91.229.203.91 2a13:e740:20f:9ca3::2 (AS39642 AS216275)
www vs bare domain	Same network lasse-it.dk: 86.52.61.131 91.229.203.91 2a13:e740:20f:9ca3::2 (AS39642 AS216275) www.lasse-it.dk: 86.52.61.131 91.229.203.91 2a13:e740:20f:9ca3::2 (AS39642 AS216275)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 0 iterations · 8-byte salt · opt-out RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
mail	—	RSA · ~4096 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
CNAME	_acme-challenge.lasse-it.dk	lasse-it.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

112ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026021129
Primary NS (MNAME)	ns1.lasse-it.dk
Responsible (RNAME)	root@lasse-it.dk
Refresh	7200s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-22 01:27:20

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-01-20
Expires	2027-01-31 (99d)

🔗 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#

43ms

40ms

50ms

AAAA

52ms

TXT

173ms

CAA

54ms

HTTPS

44ms

TLSA

219ms

SOA

0ms

MTA-STS

379ms

DNSSEC

112ms

SRV

74ms

Total

1147ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 02:51:34	3052ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-22 01:00:43	2138ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-09 12:09:14	2783ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-04 18:43:10	888ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-03 18:39:18	3663ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 18:17:35	1043ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-29 18:09:30	1524ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-26 17:31:15	5012ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-07 19:22:55	1089ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-15 17:15:51	1912ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-23 07:55:23	18074ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-04 23:59:55	5730ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-03 06:00:07	12127ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-30 00:22:09 shown	1147ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-23 05:14:15	1101ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-19 16:28:48	964ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 22:29:46	3741ms	2 NS 2 A 1 MX	🔒 Secure