123optic.dk is a .dk domain served by 4 nameservers (ns1.nucleus.be, ns2.nucleus.be, ns3.nucleus.be and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.93.153.86 is hosted by Combell NV (AS34762) in Belgium. Mail is handled by asav01.bru.nucleus.be, asav02.ant.nucleus.be. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 188.93.153.86 | 3600s | url-forwarding.nucleus.be | AS34762 | Combell NV | 188.93.152.0/21 | 🇧🇪 Belgium | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 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 |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 123optic.dk → 188.93.153.86 |
| 🔶 Autoconfig | 123optic.dk → 188.93.153.86 |
| TXT Record |
|---|
| v=spf1 a mx +all |
| Policy | Record (123optic.dk) |
|---|---|
| +all (no restriction) | v=spf1 a mx +all |
| www CNAME | urlforwarding.nucleus.be (all on nucleus.be) → 188.93.153.86 (AS34762) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: +all
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.123optic.dk | 123optic.dk |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2018092506 |
| Primary NS (MNAME) | ns1.nucleus.be |
| Responsible (RNAME) | dnsmaster@nucleus.be |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 12:33:58 shown | 3115ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-03 04:43:12 | 1474ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-01 06:49:12 | 1491ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-29 18:56:39 | 1592ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-24 22:43:12 | 1766ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-26 09:02:24 | 2663ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-24 07:32:10 | 6511ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-23 18:59:27 | 1165ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 18:46:16 | 2931ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-16 12:43:11 | 1164ms | 4 NS 1 A 2 MX | 🔓 Insecure |