layer3.dk

📜 Historical scan 2026-06-17 23:51:59  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

layer3.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 January 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.186 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mail.layer3.dk, backup-mx.dbnet.dk. The zone is DNSSEC-signed and validates, has no 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
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S

🌍 A Records#

1 records   43ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.186 — webcluster2.webpod17-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen

📧 MX Records#

2 records   28ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mail.layer3.dk 5.103.14.18 5.103.14.18.static.fibianet.dk AS44869 FIBIA P/S
20 — backup-mx.dbnet.dk — — —

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover46.30.215.186
🔶 Autoconfig46.30.215.186

🔷 AAAA Records (IPv6)#

1 records   107ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:106:80d2:21c9:684b:3870 — — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   233ms
TXT Record
nlpim6a81592q23b096nthqg8e

✉️ 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 2026-10-12 23:54:11
www46.30.215.134 2a02:2350:5:106:35:dc1d:d708:56a7 (AS51468) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

100ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

36ms
FieldValue
Serial2026061101
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-17 19:21:14
FieldValue
RegistrarONE.COM A/S
Registered2004-01-22
Expires2027-01-31 (105d)

🔗 Same registrant#

1 domain

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).

DomainRegistrar
skemaer.dkONE.COM A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
43ms
A
43ms
MX
28ms
AAAA
107ms
TXT
233ms
CAA
108ms
HTTPS
47ms
TLSA
8058ms
SOA
36ms
MTA-STS
72ms
DNSSEC
100ms
SRV
87ms
Total
8793ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-12 23:54:11 33718ms 2 NS 1 A 2 MX 🔒 Secure
2026-10-07 10:04:18 8410ms 2 NS 1 A 2 MX 🔒 Secure
2026-10-02 06:46:01 32824ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-27 05:41:12 8705ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-10 05:16:59 10515ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-06 19:03:13 9220ms 2 NS 1 A 2 MX 🔒 Secure
2026-08-20 02:13:52 8858ms 2 NS 1 A 2 MX 🔒 Secure
2026-07-24 05:23:38 12696ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-25 11:17:50 8589ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-24 12:36:54 1179ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-20 22:47:08 9065ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-17 23:51:59 shown 8793ms 2 NS 1 A 2 MX 🔒 Secure
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