bookagent.dk
Last scanned: 2026-08-24 21:12:14  ·  24497ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   53ms
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
80.80.8.22 43200s — AS8220 COLT Technology Services Group Limited 80.80.0.0/19 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   54ms
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)
🔐 DNSSEC163ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA64ms
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
53ms
A
55ms
MX
54ms
AAAA
60ms
TXT
337ms
CAA
60ms
HTTPS
59ms
TLSA
175ms
SOA
64ms
MTA-STS
83ms
DNSSEC
163ms
SRV
8065ms
Total
24497ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-24 21:12:14 24497ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-21 18:14:52 4598ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-13 14:15:33 3169ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-19 14:56:16 4624ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-16 05:31:07 1190ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-04 17:22:52 1306ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 07:22:49 693ms 2 NS 1 A 1 MX ⚠️ Bogus View
2026-06-19 13:25:35 536ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 15:55:48 426ms 2 NS 1 A 0 MX 🔒 Secure View
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