123optic.dk
Last scanned: 2026-08-26 09:02:24  ·  2663ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   98ms
NameserverIP addressesPTRASN / ISP
ns1.nucleus.be 2a03:a800:15::5
89.36.74.174		 grid3.vmconcepts.be
ns01.nucleus.be		 AS34762 Combell NV
AS34762 Combell NV
ns2.nucleus.be 188.93.153.167
2a03:a800:7::4		 ns02.nucleus.be
—		 AS34762 Combell NV
AS34762 Combell NV
ns3.nucleus.be 185.2.52.18
2a03:a800:11::6		 ns3.nucleus.be
—		 AS34762 Combell NV
AS34762 Combell NV
ns4.nucleus.be 2001:4b98:dc0:51:216:3eff:fe42:166d
95.142.172.233		 ns04.nucleus.be
ns04.nucleus.be		 AS29169 GANDI SAS
AS203476 GANDI SAS
🌍 A Records1 records   65ms
IPTTLPTRASNISP / OrgCIDRCountryCity
188.93.153.86 3600s url-forwarding.nucleus.be AS34762 Combell NV 188.93.152.0/21 🇧🇪 Belgium —
📧 MX Records2 records   67ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s asav01.bru.nucleus.be 188.93.153.91 asav01.bru.nucleus.be AS34762 Combell NV
10 3600s asav02.ant.nucleus.be 188.93.153.91 asav01.bru.nucleus.be AS34762 Combell NV
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover123optic.dk → 188.93.153.86
🔶 Autoconfig123optic.dk → 188.93.153.86
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   271ms
TXT Record
v=spf1 a mx +all
✉️ SPF
PolicyRecord (123optic.dk)
+all (no restriction) 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.123optic.dk 123optic.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC143ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2018092506
Primary NS (MNAME)ns1.nucleus.be
Responsible (RNAME)dnsmaster@nucleus.be
Refresh3600s
Retry1800s
Expire2419200s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
98ms
A
65ms
MX
67ms
AAAA
96ms
TXT
271ms
CAA
111ms
HTTPS
76ms
TLSA
128ms
SOA
0ms
MTA-STS
107ms
DNSSEC
143ms
SRV
130ms
Total
2663ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 09:02:24 2663ms 4 NS 1 A 2 MX 🔓 Insecure View
2026-06-24 07:32:10 6511ms 4 NS 1 A 2 MX 🔓 Insecure View
2026-06-23 18:59:27 1165ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-22 18:46:16 2931ms 4 NS 1 A 2 MX 🔓 Insecure View
2026-06-16 12:43:11 1164ms 4 NS 1 A 2 MX 🔓 Insecure View
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