optour.dk
Last scanned: 2026-08-29 21:05:07  ·  1404ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   23ms
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   29ms
IPTTLPTRASNISP / OrgCIDRCountryCity
3.121.27.182 1800s ec2-3-121-27-182.eu-central-1.compute.amazonaws.com AS16509 Amazon.com, Inc. 3.96.0.0/11 🇩🇪 Germany Frankfurt am Main
📧 MX Records1 records   27ms
PriorityTTLMail ServerIP addressesPTRASN
10 1800s mx.optour.dk.cust.b.hostedemail.com 64.98.36.4 mx.b.hostedemail.com AS32491 Tucows.com Co.
🔷 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)
🔐 DNSSEC96ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082901
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
23ms
A
29ms
MX
27ms
AAAA
30ms
TXT
99ms
CAA
23ms
HTTPS
31ms
TLSA
730ms
SOA
0ms
MTA-STS
42ms
DNSSEC
96ms
SRV
45ms
Total
1404ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-29 21:05:07 1404ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 13:33:03 1796ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 12:26:40 1839ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-24 16:13:30 2266ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 03:33:46 1712ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 19:02:09 4590ms 2 NS 1 A 1 MX 🔒 Secure View
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