buchandbook.dk
Last scanned: 2026-08-28 16:23:35  ·  4869ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers5 records   155ms
NameserverIP addressesPTRASN / ISP
ns1.linode.com 2600:14c0:6::2
92.123.94.2		 c1-2.akashield.net
c1-2.akashield.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
ns2.linode.com 2600:14c0:6::3
92.123.94.3		 c1-3.akashield.net
c1-3.akashield.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
ns3.linode.com 2600:14c0:7::3
92.123.95.3		 c2-3.akashield.net
c2-3.akashield.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
ns4.linode.com 2600:14c0:7::4
92.123.95.4		 c2-4.akashield.net
c2-4.akashield.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
ns5.linode.com 2600:14c0:7::2
92.123.95.2		 c2-2.akashield.net
c2-2.akashield.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
🌍 A Records1 records   91ms
IPTTLPTRASNISP / OrgCIDRCountryCity
168.138.77.63 86400s — AS31898 Oracle Corporation 168.138.0.0/16 🇨🇦 Canada Montreal
📧 MX Records2 records   23ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s mail1.buchandbook.dk 168.138.77.63 — AS31898 Oracle Corporation
20 86400s mail2.buchandbook.dk 168.138.77.63 — AS31898 Oracle Corporation
🔷 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)
🔐 DNSSEC332ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA112ms
FieldValue
Serial2021000001
Primary NS (MNAME)ns1.linode.com
Responsible (RNAME)admin@buchandbook.dk
Refresh14400s
Retry14400s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
155ms
A
91ms
MX
23ms
AAAA
99ms
TXT
569ms
CAA
112ms
HTTPS
148ms
TLSA
518ms
SOA
112ms
MTA-STS
117ms
DNSSEC
332ms
SRV
0ms
Total
4869ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 16:23:35 4869ms 5 NS 1 A 2 MX 🔓 Insecure View
2026-07-01 23:49:24 1454ms 5 NS 1 A 2 MX 🔓 Insecure View
2026-06-16 17:42:56 4942ms 5 NS 1 A 2 MX 🔓 Insecure View
2026-06-16 17:42:38 1862ms 5 NS 1 A 2 MX 🔓 Insecure View
2026-06-16 17:30:59 1090ms 5 NS 1 A 2 MX 🔓 Insecure View
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