jcw.dk
Last scanned: 2026-08-27 06:06:42  ·  572ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   74ms
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   103ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.144.192.94 43200s 91-144-192-94.norlyscustomer.net AS8273 Norlys Telco A/S 91.144.192.0/18 🇩🇰 Denmark Randers
📧 MX Records1 records   77ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 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)
🔐 DNSSEC156ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081101
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
74ms
A
103ms
MX
77ms
AAAA
59ms
TXT
181ms
CAA
60ms
HTTPS
55ms
TLSA
63ms
SOA
0ms
MTA-STS
90ms
DNSSEC
156ms
SRV
121ms
Total
572ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 06:06:42 572ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-12 01:31:21 664ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-28 13:33:35 4608ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 04:29:43 2843ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-11 20:06:34 8468ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-29 20:48:01 763ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 11:32:08 620ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 07:11:20 588ms 2 NS 1 A 1 MX ⚠️ Bogus View
2026-06-18 04:27:57 908ms 2 NS 1 A 0 MX 🔒 Secure View
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