topo.dk is a .dk domain served by 2 nameservers (tosana.ns.cloudflare.com, veda.ns.cloudflare.com). It was registered on 16 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.20.76 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by ftip.uni2.dk. The zone is DNSSEC-signed but currently fails validation, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.20.76 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.191.227 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 21600s | ftip.uni2.dk | — | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::6815:144c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:bfe3 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.20.76,172.67.191.227 ech=AEX+DQBBxwAgACAmdfruNoRuWTzoiSZ8+3asFsQZjE+XdY90zWVN7y7MKgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:144c,2606:4700:3037::ac43:bfe3 |
| TXT Record |
|---|
| spg-website.azurewebsites.net |
| www | 104.21.20.76 172.67.191.227 2606:4700:3034::6815:144c 2606:4700:3037::ac43:bfe3 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'topo.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2407416648 |
| Primary NS (MNAME) | tosana.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | InterNetX GmbH |
| Registered | 1998-02-16 |
| Expires | 2027-03-31 (163d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 05:36:42 | 501ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-09 12:09:15 | 1929ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 05:49:59 | 502ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-26 07:23:41 | 1131ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-25 07:06:07 | 601ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-28 02:50:59 | 685ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-19 03:52:54 | 3721ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-28 14:58:51 | 2767ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-26 08:49:38 | 1143ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 00:14:56 | 934ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 18:44:32 | 972ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 02:09:01 | 1145ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 11:11:35 shown | 2200ms | 2 NS 2 A 1 MX | ⚠️ Bogus |
| 2026-06-19 15:04:27 | 735ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 15:23:33 | 3028ms | 2 NS 2 A 1 MX | 🔓 Insecure |