linux.dk
📜 Historical scan 2026-08-14 08:58:12  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   194ms
NameserverIP addressesPTRASN / ISP
dns0.kyber.dk 2a01:4f9:c01f:b5::1
65.109.245.100		 kyedns.com
static.100.245.109.65.clients.your-server.de		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
dns1.kyber.dk 93.163.42.22 93-163-42-22-static.dk.customer.tdc.net AS3292 TDC Holding A/S
dns2.kyber.dk 178.62.87.87
2a03:b0c0:1:d0::311:1001		 dns2.kyber.dk
dns2.kyber.dk		 AS14061 DigitalOcean, LLC
AS14061 DigitalOcean, LLC
🌍 A Records1 records   357ms
IPTTLPTRASNISP / OrgCIDRCountryCity
139.162.133.239 8640s schou.dk AS63949 Akamai Connected Cloud 139.162.0.0/16 🇩🇪 Germany Frankfurt am Main
📧 MX Records2 records   350ms
PriorityTTLMail ServerIP addressesPTRASN
10 8640s mail.linux.dk 130.225.213.110 — AS1835 IDDQD-AS
20 8640s mail.linux.dk 130.225.213.110 — AS1835 IDDQD-AS
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records3 records   852ms
TXT Record
Domain is free of use. Please go to DynDNS.dk to register a subdomain.
Ejet af jesper@angelo.dk - udlaant til SSLUG og linux interessenter
This domain is NOT for sale. Ever.
✉️ 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)
🔐 DNSSEC646ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026081301
Primary NS (MNAME)dns0.kyber.dk
Responsible (RNAME)dkguru@gmail.com
Refresh1080s
Retry180s
Expire60480s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
194ms
A
357ms
MX
350ms
AAAA
352ms
TXT
852ms
CAA
194ms
HTTPS
1363ms
TLSA
350ms
SOA
0ms
MTA-STS
610ms
DNSSEC
646ms
SRV
384ms
Total
8406ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 00:13:49 2765ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-08-27 23:17:16 867ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-08-20 17:02:01 1089ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-08-14 08:58:12 8406ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-08-06 21:37:11 902ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-08-05 19:47:44 2067ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-07-24 19:39:38 41509ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-07-23 17:53:35 9697ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-07-16 17:03:45 2505ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-17 23:55:43 2798ms 3 NS 1 A 2 MX 🔓 Insecure View
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