opticaal.dk is a .dk domain served by 2 nameservers (austin.ns.cloudflare.com, laura.ns.cloudflare.com). It was registered on 18 October 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.24.168 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this 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 |
|---|---|---|---|---|---|---|---|
| 104.21.24.168 | — | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.219.192 | — | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:18a8 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::ac43:dbc0 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBbAAgACAxx2XvV4JFUCVdgEmdGoqDip2taUNXK2q8lgpoC9YLSQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1 |
| TXT Record |
|---|
| google-site-verification=kpztCqBTVq3VPIwyjy8dwn6UbN8tB125LFj71iOhVqE |
| google-site-verification=Zzx9E0fEhmhOGgaF8OyvdhMcNEa5ivYElaPR5_6HIM8 |
| v=spf1 include:amazonses.com include:_spf.google.com ~all |
| Policy | Record (opticaal.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:amazonses.com include:_spf.google.com ~all |
| Policy | Record (_dmarc.opticaal.dk) |
|---|---|
| p=quarantine | v=DMARC1;p=quarantine;pct=100;fo=1 |
| www | 104.21.24.168 172.67.219.192 2606:4700:3030::6815:18a8 2606:4700:3031::ac43:dbc0 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network opticaal.dk: 104.21.24.168 172.67.219.192 2606:4700:3030::6815:18a8 2606:4700:3031::ac43:dbc0 (AS13335) www.opticaal.dk: 104.21.24.168 172.67.219.192 2606:4700:3030::6815:18a8 2606:4700:3031::ac43:dbc0 (AS13335) |
| Wildcard | No |
DNS lookups: 2/10 · policy: ~all
No problems found| 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 | 2404004346 |
| Primary NS (MNAME) | austin.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2019-10-18 |
| Expires | 2026-10-31 (10d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| journalfør.dk | Punktum dk A/S (direct) |
| polytope.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 14:54:48 | 488ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-09-30 15:55:21 | 1269ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-09-27 06:40:01 | 737ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-09-27 05:41:52 | 878ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-09-26 05:31:03 | 1528ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-09-06 15:30:43 | 1394ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-08-27 18:45:03 | 1571ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-07-29 05:07:15 | 1849ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-07-06 21:09:17 | 10449ms | 2 NS 2 A 5 MX | ❓ Unknown |
| 2026-06-26 00:16:26 | 1008ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-06-17 11:41:52 shown | 1588ms | 2 NS 2 A 5 MX | 🔓 Insecure |