9300net.dk
Last scanned: 2026-08-13 11:10:50  ·  8829ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   55ms
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   55ms
IPTTLPTRASNISP / OrgCIDRCountryCity
37.187.129.135 600s ns316516.ip-37-187-129.eu AS16276 OVH SAS 37.187.0.0/16 🇫🇷 France —
📧 MX Records2 records   52ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mail.safnet.dk 82.165.203.134 mail51.gullestrupnet.dk AS8560 IONOS SE
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   273ms
TXT Record
v=spf1 include:_custspf.one.com ip4:82.165.203.134 a mx -all
✉️ SPF
PolicyRecord (9300net.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)
🔐 DNSSEC149ms
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
55ms
A
55ms
MX
52ms
AAAA
55ms
TXT
273ms
CAA
54ms
HTTPS
55ms
TLSA
8045ms
SOA
0ms
MTA-STS
104ms
DNSSEC
149ms
SRV
101ms
Total
8829ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-13 11:10:50 8829ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-17 01:30:18 907ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-14 23:09:14 752ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-25 03:25:57 1441ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-24 17:04:59 1582ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-16 12:47:42 707ms 2 NS 1 A 2 MX 🔒 Secure View
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