colt.dk
📜 Historical scan 2026-06-16 21:50:25  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   61ms
NameserverIP addressesPTRASN / ISP
ns1.coltgroup.info — — —
ns2.coltgroup.info — — —
🌍 A Records1 records   60ms
IPTTLPTRASNISP / OrgCIDRCountryCity
151.106.71.76 — ma5012788.psmanaged.com AS61157 PlusServer GmbH 151.106.64.0/20 🇩🇪 Germany —
📧 MX Records1 records   48ms
PriorityTTLMail ServerIP addressesPTRASN
0 — colt-dk.mail.protection.outlook.com 52.101.68.12
52.101.68.18
52.101.68.8
52.101.73.28		 mail-db9pr02cu00204.inbound.protection.outlook.com
mail-db4pr02cu00302.inbound.protection.outlook.com
mail-du0pr03cu00100.inbound.protection.outlook.com
mail-am7pr05cu00204.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   513ms
TXT Record
MS=ms73484842
v=spf1 include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (colt.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -all
📨 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)
🔐 DNSSEC141ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA57ms
FieldValue
Serial2025012800
Primary NS (MNAME)ns1.coltgroup.info
Responsible (RNAME)hostmaster@colt.dk
Refresh86400s
Retry7200s
Expire3600000s
Minimum (neg-cache TTL)900s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
61ms
A
60ms
MX
48ms
AAAA
60ms
TXT
513ms
CAA
45ms
HTTPS
57ms
TLSA
196ms
SOA
57ms
MTA-STS
129ms
DNSSEC
141ms
SRV
0ms
Total
1074ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-28 11:50:44 3592ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-27 20:08:05 2640ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-23 14:54:31 1826ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-22 14:31:30 1900ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-22 11:22:46 914ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 21:50:25 1074ms 2 NS 1 A 1 MX 🔓 Insecure View
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