top3.dk
Last scanned: 2026-08-27 10:47:18  ·  720ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   40ms
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   36ms
IPTTLPTRASNISP / OrgCIDRCountryCity
93.191.156.79 3600s linux203.unoeuro.com AS48854 team.blue Denmark A/S 93.191.152.0/21 🇩🇰 Denmark —
📧 MX Records1 records   53ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.runbox.com 185.226.149.25 aibo.runbox.com AS50304 Blix Solutions AS
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover93.191.156.79
🔶 Autoconfig93.191.156.79
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   197ms
TXT Record
v=spf1 redirect=spf.runbox.com
✉️ SPF
PolicyRecord (top3.dk)
no all — incomplete SPF v=spf1 redirect=spf.runbox.com
📨 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)
🔐 DNSSEC91ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2022102300
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
40ms
A
36ms
MX
53ms
AAAA
34ms
TXT
197ms
CAA
54ms
HTTPS
46ms
TLSA
118ms
SOA
0ms
MTA-STS
60ms
DNSSEC
91ms
SRV
81ms
Total
720ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 10:47:18 720ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-02 17:10:44 680ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-17 13:18:27 551ms 4 NS 1 A 1 MX 🔒 Secure View
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