3xb.dk
Last scanned: 2026-08-27 22:01:49  ·  2463ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   41ms
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   2043ms
IPTTLPTRASNISP / OrgCIDRCountryCity
85.191.51.20 43198s 85.191.51.20.dynamic.dhcp.aura-net.dk AS204274 AURA Fiber A/S 85.191.0.0/17 🇩🇰 Denmark Højbjerg
📧 MX Records1 records   48ms
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)
🔐 DNSSEC73ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081201
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
41ms
A
2043ms
MX
48ms
AAAA
51ms
TXT
191ms
CAA
48ms
HTTPS
53ms
TLSA
75ms
SOA
0ms
MTA-STS
70ms
DNSSEC
73ms
SRV
59ms
Total
2463ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 22:01:49 2463ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 08:38:53 600ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-13 06:14:12 2494ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-13 06:03:25 504ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 18:44:11 2386ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-19 13:40:46 2708ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 12:43:24 715ms 2 NS 1 A 0 MX 🔒 Secure View
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