ubook.dk
Last scanned: 2026-06-26 17:13:20  ·  937ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   46ms
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
🌍 A Records1 records   47ms
IPTTLPTRASNISP / OrgCIDRCountryCity
209.250.227.6 3600s 209.250.227.6.vultrusercontent.com AS20473 The Constant Company, LLC 209.250.224.0/19 🇬🇧 United Kingdom Canary Wharf
📧 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)
🔐 DNSSEC118ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA53ms
FieldValue
Serial2023110400
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
46ms
A
47ms
MX
51ms
AAAA
36ms
TXT
101ms
CAA
51ms
HTTPS
40ms
TLSA
502ms
SOA
53ms
MTA-STS
46ms
DNSSEC
118ms
SRV
53ms
Total
937ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-26 17:13:20 937ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-24 07:06:25 982ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-23 23:58:52 3016ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-23 03:25:19 1174ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 11:50:56 804ms 3 NS 1 A 0 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone