cboost.dk
📜 Historical scan 2026-06-16 19:50:24  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   36ms
NameserverIP addressesPTRASN / ISP
ns1.dotserv.com — — —
ns1.dotserv.net — — —
ns2.dotserv.com — — —
ns2.dotserv.net — — —
🌍 A Records1 records   60ms
IPTTLPTRASNISP / OrgCIDRCountryCity
178.20.216.204 — sentido.dotserv.com AS21060 Atea A/S 178.20.216.0/23 🇩🇰 Denmark —
📧 MX Records1 records   58ms
PriorityTTLMail ServerIP addressesPTRASN
10 — sentido.dotserv.com 178.20.216.204 sentido.dotserv.com AS21060 Atea A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   290ms
TXT Record
v=spf1 include:_spf.dotserv.com -all
✉️ SPF
PolicyRecord (cboost.dk)
-all (hard fail) v=spf1 include:_spf.dotserv.com -all
📨 DMARC
PolicyRecord (_dmarc.cboost.dk)
p=none (monitor only) v=DMARC1; p=none;
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records2 records   50ms
FlagsTagValue
0 issue comodoca.com
0 issue letsencrypt.org
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC134ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA55ms
FieldValue
Serial1400411774
Primary NS (MNAME)ns1.dotserv.com
Responsible (RNAME)hostmaster@dotserv.com
Refresh14400s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)900s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
36ms
A
60ms
MX
58ms
AAAA
61ms
TXT
290ms
CAA
50ms
HTTPS
62ms
TLSA
264ms
SOA
55ms
MTA-STS
83ms
DNSSEC
134ms
SRV
0ms
Total
846ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 07:29:11 2518ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-08-25 15:38:43 720ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-30 18:54:48 828ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-27 19:43:59 2936ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-25 09:12:26 1518ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-21 03:16:40 2010ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-20 12:23:11 680ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 19:50:24 846ms 4 NS 1 A 1 MX 🔓 Insecure View
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