net-books.dk
Last scanned: 2026-08-31 16:31:14  ·  1537ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   313ms
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   67ms
IPTTLPTRASNISP / OrgCIDRCountryCity
213.32.247.249 43200s xd520f7f9.customers.hiper-net.dk AS203953 Hiper A/S 213.32.240.0/21 🇩🇰 Denmark Valby
📧 MX Records1 records   110ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscovernet-books.dk → 213.32.247.249
🔶 Autoconfignet-books.dk → 213.32.247.249
🔷 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.net-books.dk net-books.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC434ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026083001
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
313ms
A
67ms
MX
110ms
AAAA
135ms
TXT
539ms
CAA
131ms
HTTPS
128ms
TLSA
151ms
SOA
0ms
MTA-STS
406ms
DNSSEC
434ms
SRV
392ms
Total
1537ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 16:31:14 1537ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-15 00:01:30 1543ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-15 15:11:39 655ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-01 10:07:31 606ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 05:01:56 1280ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 03:19:43 549ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-19 21:59:16 613ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 22:15:44 786ms 2 NS 1 A 0 MX 🔒 Secure View
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