bookboon.dk
Last scanned: 2026-08-27 23:13:44  ·  2876ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   65ms
NameserverIP addressesPTRASN / ISP
ns-1352.awsdns-41.org 205.251.197.72
2600:9000:5305:4800::1		 ns-1352.awsdns-41.org
ns-1352.awsdns-41.org		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-160.awsdns-20.com 205.251.192.160
2600:9000:5300:a000::1		 ns-160.awsdns-20.com
ns-160.awsdns-20.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-1840.awsdns-38.co.uk 205.251.199.48
2600:9000:5307:3000::1		 ns-1840.awsdns-38.co.uk
ns-1840.awsdns-38.co.uk		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-913.awsdns-50.net 205.251.195.145
2600:9000:5303:9100::1		 ns-913.awsdns-50.net
ns-913.awsdns-50.net		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
🌍 A Records
🌍
No A records found
📧 MX Records
📧
No MX records found
🔷 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)
🔐 DNSSEC85ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial1
Primary NS (MNAME)ns-1840.awsdns-38.co.uk
Responsible (RNAME)awsdns-hostmaster@amazon.com
Refresh7200s
Retry900s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
65ms
A
59ms
MX
59ms
AAAA
60ms
TXT
250ms
CAA
54ms
HTTPS
68ms
TLSA
45ms
SOA
0ms
MTA-STS
85ms
DNSSEC
85ms
SRV
78ms
Total
2876ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 23:13:44 2876ms 4 NS 0 A 0 MX 🔓 Insecure View
2026-07-02 16:59:48 12070ms 4 NS 0 A 0 MX 🔓 Insecure View
2026-06-23 02:08:39 1618ms 4 NS 0 A 0 MX 🔓 Insecure View
2026-06-22 23:08:29 1126ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 18:05:41 612ms 4 NS 0 A 0 MX 🔓 Insecure View
2026-06-20 17:10:17 692ms 4 NS 0 A 0 MX 🔓 Insecure View
2026-06-20 16:15:24 1798ms 4 NS 0 A 0 MX 🔓 Insecure View
2026-06-16 15:55:08 400ms 4 NS 0 A 0 MX 🔓 Insecure View
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