ace-fibreoptic.dk
Last scanned: 2026-08-27 07:51:18  ·  4835ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   54ms
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   2041ms
IPTTLPTRASNISP / OrgCIDRCountryCity
178.251.24.93 3598s server9.nubix.nl AS42093 InterRacks B.V. 178.251.24.0/21 🇳🇱 The Netherlands Hengelo
📧 MX Records1 records   47ms
PriorityTTLMail ServerIP addressesPTRASN
50 3600s mail.introweb.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)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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   157ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.introweb.nl DANE-EE · SPKI · SHA-256 7849224D1C24FD6B04CB0E1D036A0434…
🔐 DNSSEC2075ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2017022203
Primary NS (MNAME)ns1.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
54ms
A
2041ms
MX
47ms
AAAA
2052ms
TXT
241ms
CAA
53ms
HTTPS
53ms
TLSA
157ms
SOA
0ms
MTA-STS
84ms
DNSSEC
2075ms
SRV
4044ms
Total
4835ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 07:51:18 4835ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-08-16 01:13:54 14442ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-08-07 12:27:54 5248ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-08-03 08:00:19 14255ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-07-14 16:06:30 5317ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-07-01 23:57:55 2203ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 12:50:29 4037ms 3 NS 1 A 1 MX 🔓 Insecure View
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