dbook.dk
📜 Historical scan 2026-06-21 10:28:34  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   81ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   99ms
IPTTLPTRASNISP / OrgCIDRCountryCity
74.63.233.173 3600s 173-233-63-74.static.reverse.lstn.net AS46475 Limestone Networks, Inc. 74.63.192.0/18 🇺🇸 United States Los Angeles
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover74.63.233.173
🔶 Autoconfig74.63.233.173
🔷 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)
🔐 DNSSEC64ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA41ms
FieldValue
Serial2025022501
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
81ms
A
99ms
MX
38ms
AAAA
30ms
TXT
115ms
CAA
97ms
HTTPS
29ms
TLSA
277ms
SOA
41ms
MTA-STS
43ms
DNSSEC
64ms
SRV
124ms
Total
567ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 20:18:45 1671ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-08-15 11:46:47 1275ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-08-13 03:45:08 1163ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-24 03:57:12 804ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-21 10:28:34 567ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-20 00:56:41 3157ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-17 01:15:43 2944ms 4 NS 1 A 0 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone