opacity.dk
Last scanned: 2026-08-28 15:47:02  ·  796ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   94ms
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   68ms
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   76ms
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 Records1 records   294ms
TXT Record
google-site-verification=sco-L81rsx3FYUZq5m1aoyLlZkiMnj9xCSXEGe64m38
✉️ 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)
🔐 DNSSEC184ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082801
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
94ms
A
68ms
MX
76ms
AAAA
90ms
TXT
294ms
CAA
100ms
HTTPS
97ms
TLSA
52ms
SOA
0ms
MTA-STS
148ms
DNSSEC
184ms
SRV
104ms
Total
796ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 15:47:02 796ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 15:03:59 770ms 2 NS 1 A 4 MX 🔒 Secure View
2026-08-15 13:49:55 880ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-27 05:31:38 765ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-24 00:27:44 772ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-23 12:22:54 1131ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 02:33:15 730ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-18 01:00:43 2959ms 2 NS 1 A 4 MX 🔒 Secure View
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