john-laursen.dk
Last scanned: 2026-09-06 19:24:55  ·  1674ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   98ms
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   104ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.47.247.18 600s one.com.webforward.g1i.one AS51468 One.com A/S 195.47.247.0/24 — —
📧 MX Records1 records   120ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover3323b5814dbed8768815-6c66d72e718264dff591c0accf46b407.r35.cf2.rackcdn.com → 23.55.161.179
🔶 Autoconfig3323b5814dbed8768815-6c66d72e718264dff591c0accf46b407.r35.cf2.rackcdn.com → 23.55.161.179
🔷 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)
🔐 DNSSEC153ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026090502
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
98ms
A
104ms
MX
120ms
AAAA
184ms
TXT
879ms
CAA
105ms
HTTPS
102ms
TLSA
142ms
SOA
0ms
MTA-STS
585ms
DNSSEC
153ms
SRV
658ms
Total
1674ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-06 19:24:55 1674ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-28 08:47:10 1452ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-15 03:53:45 3062ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 21:02:25 1305ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-14 03:40:51 1423ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-08 17:14:51 9065ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 03:17:12 1497ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-18 02:58:18 3182ms 2 NS 1 A 0 MX 🔒 Secure View
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