layer3.dk
📜 Historical scan 2026-07-24 05:23:38  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   31ms
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 Records1 records   30ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.186 3600s webcluster2.webpod17-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records2 records   32ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.layer3.dk 5.103.14.18 5.103.14.18.static.fibianet.dk AS44869 FIBIA P/S
20 43200s backup-mx.dbnet.dk — — —
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover46.30.215.186
🔶 Autoconfig46.30.215.186
🔷 AAAA Records (IPv6)1 records   30ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:106:80d2:21c9:684b:3870 3600s — 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 Records1 records   157ms
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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC52ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA24ms
FieldValue
Serial2026062002
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
31ms
A
30ms
MX
32ms
AAAA
30ms
TXT
157ms
CAA
30ms
HTTPS
29ms
TLSA
8058ms
SOA
24ms
MTA-STS
46ms
DNSSEC
52ms
SRV
45ms
Total
12696ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-20 02:13:52 8858ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-24 05:23:38 12696ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-25 11:17:50 8589ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-24 12:36:54 1179ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 22:47:08 9065ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 23:51:59 8793ms 2 NS 1 A 2 MX 🔒 Secure View
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