cabco.dk
Last scanned: 2026-06-28 07:41:44  ·  895ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   70ms
NameserverIP addressesPTRASN / ISP
nsauth1.introweb.nl 2001:1690:1:a::a
80.65.96.48		 nsauth1.introweb.nl
nsauth1.introweb.nl		 AS20847 Previder B.V.
AS20847 Previder B.V.
nsauth2.introweb.nl 2a0d:8600:1::5a
86.105.160.91		 nsauth2.introweb.nl
nsauth2.introweb.nl		 AS205185 Eurofiber Cloud Infra B.V.
AS205185 Eurofiber Cloud Infra B.V.
nsauth3.introweb.net 2001:1690:1:c::a
62.165.127.221		 nsauth3.introweb.net
nsauth3.introweb.net		 AS20847 Previder B.V.
AS20847 Previder B.V.
🌍 A Records1 records   60ms
IPTTLPTRASNISP / OrgCIDRCountryCity
62.165.75.168 3600s ip-62-165-75-168.previder.nl AS20847 Previder B.V. 62.165.64.0/18 🇳🇱 The Netherlands Borne
📧 MX Records1 records   54ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx.previder.nl 2001:1690:65::100
62.165.65.100		 mx.previder.nl
mx.previder.nl		 AS20847 Previder B.V.
AS20847 Previder B.V.
🔷 AAAA Records (IPv6)1 records   59ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2001:1690:2:1956::4400 3600s — AS20847 Previder B.V. 2001:1690:0:0:0:0:0:0/32 🇳🇱 The Netherlands —
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   202ms
TXT Record
v=DMARC1;p=reject;
v=spf1 a mx ~all
✉️ SPF
PolicyRecord (cabco.dk)
~all (soft fail) v=spf1 a mx ~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 / DANE1 records   210ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.previder.nl DANE-EE · SPKI · SHA-256 7849224D1C24FD6B04CB0E1D036A0434…
🔐 DNSSEC84ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA67ms
FieldValue
Serial2023110101
Primary NS (MNAME)nsauth1.introweb.nl
Responsible (RNAME)postmaster@introweb.nl
Refresh28800s
Retry7200s
Expire604800s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
70ms
A
60ms
MX
54ms
AAAA
59ms
TXT
202ms
CAA
65ms
HTTPS
65ms
TLSA
210ms
SOA
67ms
MTA-STS
57ms
DNSSEC
84ms
SRV
65ms
Total
895ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-28 07:41:44 895ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-27 04:58:36 961ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-16 18:46:05 771ms 3 NS 1 A 1 MX 🔒 Secure View
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