optimal-online.dk
Last scanned: 2026-06-24 23:33:34  ·  886ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   81ms
NameserverIP addressesPTRASN / ISP
a.ns14.net 2001:8d8:fe:53:217:160:80:160
217.160.80.160		 ns-ix1.ui-dns.de
ns-ix1.ui-dns.de		 AS8560 IONOS SE
AS8560 IONOS SE
b.ns14.net 2001:8d8:fe:53:217:160:81:160
217.160.81.160		 ns-ix1.ui-dns.biz
ns-ix1.ui-dns.biz		 AS8560 IONOS SE
AS8560 IONOS SE
c.ns14.net 185.132.35.160
2607:f1c0:fe:53:185:132:35:160		 ns-ix1.ui-dns.org
ns-ix1.ui-dns.org		 AS15418 Fasthosts Internet Limited
AS15418 Fasthosts Internet Limited
d.ns14.net 185.132.34.160
2607:f1c0:fe:53:185:132:34:160		 ns-ix1.ui-dns.com
ns-ix1.ui-dns.com		 AS15418 Fasthosts Internet Limited
AS15418 Fasthosts Internet Limited
🌍 A Records1 records   108ms
IPTTLPTRASNISP / OrgCIDRCountryCity
62.96.183.41 86400s — AS8220 COLT Technology Services Group Limited 62.96.128.0/18 🇩🇪 Germany Berlin
📧 MX Records1 records   43ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s mail.optimal-online.de 62.96.183.37 mail.optimal-media.com AS8220 COLT Technology Services Group Limited
🔷 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)
🔐 DNSSEC117ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA77ms
FieldValue
Serial2014011200
Primary NS (MNAME)a.ns14.net
Responsible (RNAME)candreas@optimal-online.de
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
81ms
A
108ms
MX
43ms
AAAA
50ms
TXT
300ms
CAA
74ms
HTTPS
91ms
TLSA
152ms
SOA
77ms
MTA-STS
71ms
DNSSEC
117ms
SRV
158ms
Total
886ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-24 23:33:34 886ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-20 02:57:52 1716ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-18 05:57:48 838ms 4 NS 1 A 1 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone