instrutek.dk
Last scanned: 2026-09-05 05:38:24  ·  4450ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   32ms
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   26ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.47.247.18 3600s one.com.webforward.g1i.one AS51468 One.com A/S 195.47.247.0/24 — —
📧 MX Records1 records   37ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover195.47.247.18
🔶 Autoconfig195.47.247.18
🔷 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC67ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA31ms
FieldValue
Serial2026083001
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
32ms
A
26ms
MX
37ms
AAAA
29ms
TXT
177ms
CAA
34ms
HTTPS
36ms
TLSA
46ms
SOA
31ms
MTA-STS
54ms
DNSSEC
67ms
SRV
68ms
Total
4450ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-05 05:38:24 4450ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-31 21:05:25 516ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 10:35:34 830ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-18 09:23:21 4652ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-15 17:31:47 4816ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-01 20:50:51 4594ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-24 02:00:58 763ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-22 22:33:37 16490ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-15 04:41:03 710ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 11:12:10 3929ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-19 10:28:44 524ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 12:23:57 529ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 15:19:29 283ms 0 NS 0 A 0 MX ❓ Unknown View
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