glasoptik.dk is a .dk domain served by 2 nameservers (bristol.ns.cloudflare.com, theo.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.81.171 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by glasoptik.dk.mx.one.com. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.81.171 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.162.182 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | glasoptik.dk.mx.one.com | 185.164.14.38 185.164.14.39 185.164.14.40 |
mx1.pub.mailpod4-cph3.one.com mx2.pub.mailpod4-cph3.one.com mx3.pub.mailpod4-cph3.one.com |
AS51468 One.com A/S AS51468 One.com A/S AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::ac43:a2b6 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:51ab | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.81.171,172.67.162.182 ech=AEX+DQBBsQAgACCv+Q5jA1n2zwz5fqO11kHifufkEvwKV6UTf3FRCsvFSgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:a2b6,2606:4700:3036::6815:51ab |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com ~all |
| Policy | Record (glasoptik.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| www | 104.21.81.171 172.67.162.182 2606:4700:3034::ac43:a2b6 2606:4700:3036::6815:51ab (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network glasoptik.dk: 104.21.81.171 172.67.162.182 2606:4700:3034::ac43:a2b6 2606:4700:3036::6815:51ab (AS13335) www.glasoptik.dk: 104.21.81.171 172.67.162.182 2606:4700:3034::ac43:a2b6 2606:4700:3036::6815:51ab (AS13335) |
| Wildcard | No |
DNS lookups: 1/10 · 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 | 2409842010 |
| Primary NS (MNAME) | bristol.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 13:51:45 | 437ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-27 21:47:54 | 9499ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-27 07:51:05 | 3790ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 07:03:26 | 692ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-16 04:50:33 | 2783ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-01 18:28:28 | 2545ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 16:41:39 | 1566ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-04 17:23:51 | 9951ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-18 15:47:55 shown | 9218ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 22:50:09 | 992ms | 2 NS 2 A 1 MX | ❓ Unknown |
| 2026-06-22 08:41:26 | 913ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 09:36:51 | 755ms | 2 NS 2 A 1 MX | 🔓 Insecure |