book.dk
📜 Historical scan 2026-06-16 15:55:28  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   49ms
NameserverIP addressesPTRASN / ISP
ns1.digitalocean.com — — —
ns2.digitalocean.com — — —
ns3.digitalocean.com — — —
🌍 A Records1 records   40ms
IPTTLPTRASNISP / OrgCIDRCountryCity
161.35.157.106 — — AS14061 DigitalOcean, LLC 161.35.0.0/16 🇳🇱 The Netherlands Amsterdam
📧 MX Records5 records   39ms
PriorityTTLMail ServerIP addressesPTRASN
10 — alt1.aspmx.l.google.com 172.253.158.26 so-in-f26.1e100.net AS15169 Google LLC
10 — alt2.aspmx.l.google.com 172.253.158.27 so-in-f27.1e100.net AS15169 Google LLC
10 — alt3.aspmx.l.google.com 142.250.147.27 rd-in-f27.1e100.net AS15169 Google LLC
10 — alt4.aspmx.l.google.com 192.178.230.27 yunrtab-in-f27.1e100.net AS15169 Google LLC
10 — aspmx.l.google.com 209.85.233.26 lr-in-f26.1e100.net AS15169 Google LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   239ms
TXT Record
google-site-verification=Mnya5VvbxpnYztwhYkziNktFfDGGi9zULfKrmbEdvkI
v=spf1 include:_spf.google.com include:spf.simply.com ~all
✉️ SPF
PolicyRecord (book.dk)
~all (soft fail) v=spf1 include:_spf.google.com include:spf.simply.com ~all
📨 DMARC
PolicyRecord (_dmarc.book.dk)
p=quarantine v=DMARC1; p=quarantine; adkim=s; aspf=s; rua=mailto:info@book.dk
📬 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)
🔐 DNSSEC114ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA46ms
FieldValue
Serial0
Primary NS (MNAME)ns1.digitalocean.com
Responsible (RNAME)hostmaster@book.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
49ms
A
40ms
MX
39ms
AAAA
48ms
TXT
239ms
CAA
45ms
HTTPS
46ms
TLSA
82ms
SOA
46ms
MTA-STS
54ms
DNSSEC
114ms
SRV
0ms
Total
713ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 19:21:47 1123ms 3 NS 1 A 5 MX 🔓 Insecure View
2026-06-30 15:17:46 999ms 3 NS 1 A 5 MX 🔓 Insecure View
2026-06-27 11:49:26 1039ms 3 NS 1 A 5 MX 🔓 Insecure View
2026-06-26 20:40:32 2376ms 3 NS 1 A 5 MX 🔓 Insecure View
2026-06-23 23:59:37 3615ms 3 NS 1 A 5 MX 🔓 Insecure View
2026-06-23 20:54:37 1064ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-22 19:14:58 3114ms 3 NS 1 A 5 MX 🔓 Insecure View
2026-06-21 15:58:04 1041ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-19 13:05:11 3112ms 3 NS 1 A 5 MX 🔓 Insecure View
2026-06-16 15:55:28 713ms 3 NS 1 A 5 MX 🔓 Insecure View
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