lassen01.dk

📜 Historical scan 2026-06-17 19:55:11  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

lassen01.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 15 October 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.simply.com. The zone is DNSSEC-signed and validates, has no 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#

4 records   150ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   154ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.103.17 — linux52.unoeuro.com AS48854 — — — —

📧 MX Records#

1 records   152ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 22:03:49
www94.231.103.17 (AS48854) (address records, no CNAME)
www vs bare domainSame network
lassen01.dk: 94.231.103.17 (AS48854)
www.lassen01.dk: 94.231.103.17 (AS48854)
WildcardYes: any name under the zone resolves
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

2 records   77ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

226ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

159ms
FieldValue
Serial2025042300
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-07 06:32:28
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2008-10-15
Expires2026-10-31 (13d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
150ms
A
154ms
MX
152ms
AAAA
155ms
TXT
203ms
CAA
158ms
HTTPS
140ms
TLSA
77ms
SOA
159ms
MTA-STS
158ms
DNSSEC
226ms
SRV
0ms
Total
653ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 15:59:22 537ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-23 19:03:53 506ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-30 18:05:03 750ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-27 21:05:36 636ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-23 15:44:09 695ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-21 15:16:21 466ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-17 19:55:11 shown 653ms 4 NS 1 A 1 MX 🔒 Secure
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