ab2b.dk
📜 Historical scan 2026-07-18 14:53:47  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   8049ms
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   104ms
IPTTLPTRASNISP / OrgCIDRCountryCity
109.238.54.46 43200s — AS47292 Sentia Denmark A/S 109.238.48.0/21 🇩🇰 Denmark —
📧 MX Records1 records   96ms
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)
🔐 DNSSEC177ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA8041ms
FieldValue
Serial2026071401
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
8049ms
A
104ms
MX
96ms
AAAA
8043ms
TXT
8241ms
CAA
112ms
HTTPS
88ms
TLSA
33ms
SOA
8041ms
MTA-STS
78ms
DNSSEC
177ms
SRV
8047ms
Total
24598ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 01:01:23 585ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-10 21:59:50 743ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 14:53:47 24598ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-17 14:06:55 636ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-11 02:22:49 8496ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 17:21:05 943ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 12:37:25 608ms 2 NS 1 A 0 MX 🔒 Secure View
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