coltech.dk
📜 Historical scan 2026-06-16 21:51:32  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   50ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com
ns2.simply.com
ns3.simply.com
ns4.simply.com
🌍 A Records1 records   48ms
IPTTLPTRASNISP / OrgCIDRCountryCity
89.233.5.168 AS3308 Norlys Digital A/S 89.233.0.0/18 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   46ms
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   174ms
TXT Record
MS=ms70447752
v=spf1 include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (coltech.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)
🔐 DNSSEC133ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA50ms
FieldValue
Serial2025042300
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
50ms
A
48ms
MX
46ms
AAAA
52ms
TXT
174ms
CAA
51ms
HTTPS
51ms
TLSA
195ms
SOA
50ms
MTA-STS
2062ms
DNSSEC
133ms
SRV
0ms
Total
2638ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-28 07:29:18 1416ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-22 15:10:07 1228ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-16 21:51:32 2638ms 4 NS 1 A 1 MX 🔒 Secure View
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