optimumgroupcareers.dk
Last scanned: 2026-06-18 03:37:24  ·  637ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   97ms
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   87ms
IPTTLPTRASNISP / OrgCIDRCountryCity
85.13.155.44 — dd38538.kasserver.com AS34788 Neue Medien Muennich GmbH 85.13.128.0/18 🇩🇪 Germany —
📧 MX Records
📧
No MX records found
🔷 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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC109ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA100ms
FieldValue
Serial2022120501
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
97ms
A
87ms
MX
85ms
AAAA
56ms
TXT
246ms
CAA
66ms
HTTPS
69ms
TLSA
65ms
SOA
100ms
MTA-STS
97ms
DNSSEC
109ms
SRV
154ms
Total
637ms
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