9300.dk
Last scanned: 2026-08-27 18:26:55  ·  705ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   48ms
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   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.149.228.17 600s web07.tigermedia.eu AS48854 team.blue Denmark A/S 185.149.228.0/24 🇩🇰 Denmark —
📧 MX Records1 records   59ms
PriorityTTLMail ServerIP addressesPTRASN
50 600s backupmail.gullestrupnet.dk 82.165.203.134 mail51.gullestrupnet.dk AS8560 IONOS SE
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   178ms
TXT Record
v=spf1 include:_custspf.one.com ip4:82.165.203.134 a mx -all
✉️ SPF
PolicyRecord (9300.dk)
-all (hard fail) v=spf1 include:_custspf.one.com ip4:82.165.203.134 a mx -all
📨 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)
🔐 DNSSEC91ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081001
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
48ms
A
39ms
MX
59ms
AAAA
46ms
TXT
178ms
CAA
70ms
HTTPS
69ms
TLSA
124ms
SOA
0ms
MTA-STS
65ms
DNSSEC
91ms
SRV
74ms
Total
705ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 18:26:55 705ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-11 19:41:42 2790ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-16 05:46:44 728ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-11 04:36:56 789ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 07:41:37 725ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-19 11:54:51 553ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 12:36:11 767ms 2 NS 1 A 1 MX 🔒 Secure View
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