extraoptical.dk is a .dk domain served by 2 nameservers (ethan.ns.cloudflare.com, vivienne.ns.cloudflare.com). It was registered on 24 February 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.26.2.210 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 |
|---|---|---|---|---|---|---|---|
| 104.26.2.210 | 300s | — | AS13335 | Cloudflare, Inc. | 104.26.0.0/20 | — | — |
| 104.26.3.210 | 300s | — | AS13335 | Cloudflare, Inc. | 104.26.0.0/20 | — | — |
| 172.67.73.4 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.64.0/18 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:20::681a:2d2 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:20:0:0:0:0:0/44 | — | — |
| 2606:4700:20::681a:3d2 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:20:0:0:0:0:0/44 | — | — |
| 2606:4700:20::ac43:4904 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:20:0:0:0:0:0/44 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h2" ipv4hint=104.26.2.210,104.26.3.210,172.67.73.4 ipv6hint=2606:4700:20::681a:2d2,2606:4700:20::681a:3d2,2606:4700:20::ac43:4904 |
| TXT Record |
|---|
| google-site-verification=I48kq_obhOcn0rqs0KDoFdYVX8KpjrKsMt3XfV6fBj4 |
| google-site-verification=t9xTq93SWiN7agxnNMJr7RWhXQnCVjkEInvJ9CRQjuA |
| v=spf1 a mx include:_spf.elasticemail.com include:mail.zendesk.com ~all |
| Policy | Record (extraoptical.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx include:_spf.elasticemail.com include:mail.zendesk.com ~all |
| Policy | Record (_dmarc.extraoptical.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc@extraoptical.com |
| www | 104.26.2.210 104.26.3.210 172.67.73.4 2606:4700:20::681a:2d2 2606:4700:20::681a:3d2 2606:4700:20::ac43:4904 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network extraoptical.dk: 104.26.2.210 104.26.3.210 172.67.73.4 2606:4700:20::681a:2d2 (AS13335) www.extraoptical.dk: 104.26.2.210 104.26.3.210 172.67.73.4 2606:4700:20::681a:2d2 (AS13335) |
| Wildcard | No |
DNS lookups: 5/10 · 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 | 2416944694 |
| Primary NS (MNAME) | ethan.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 | 2011-02-24 |
| Expires | 2027-02-28 (134d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 16:10:02 | 869ms | 2 NS 3 A 5 MX | 🔓 Insecure |
| 2026-10-08 13:32:42 shown | 1372ms | 2 NS 3 A 5 MX | 🔓 Insecure |
| 2026-09-30 09:08:32 | 704ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-24 10:20:55 | 9595ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-24 01:57:12 | 777ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-22 10:06:55 | 1857ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-08-28 06:28:45 | 9834ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-08-26 17:14:39 | 981ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-08-06 20:40:17 | 1895ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-07-25 08:06:23 | 2068ms | 2 NS 1 A 5 MX | ❓ Unknown |
| 2026-06-27 00:36:29 | 1265ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-26 23:35:36 | 3134ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-25 23:39:19 | 1137ms | 6 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-17 09:10:08 | 1502ms | 6 NS 1 A 5 MX | 🔓 Insecure |