sansscience.dk is a .dk domain served by 2 nameservers (grannbo.ns.cloudflare.com, kaiser.ns.cloudflare.com). It was registered on 1 March 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.36.209 is hosted by Cloudflare, Inc. (AS13335). 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 |
|---|---|---|---|---|---|---|---|
| 104.21.36.209 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.199.154 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:c79a | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3032::6815:24d1 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.36.209,172.67.199.154 ech=AEX+DQBB6AAgACBMTrnx7MjX+bXo/gqGgfi/ki0INIWkDCy4rpcZv7W+LQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:c79a,2606:4700:3032::6815:24d1 |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve sansscience.dk: 104.21.36.209 172.67.199.154 2606:4700:3030::ac43:c79a 2606:4700:3032::6815:24d1 (AS13335) (all like this)www.sansscience.dk: no address |
| Wildcard | No |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.sansscience.dk | Sa4tFLfN-jq-17srINczI0h3JVMyxFYdIC6frMA9os4 |
| TXT | _acme-challenge.sansscience.dk | wR0esHOJSXjEWmYtgfnc6HIZslpbJp1apIkrcYABPfY |
| 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 | 2412734600 |
| Primary NS (MNAME) | grannbo.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2026-03-01 |
| Expires | 2027-02-28 (130d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 19:23:50 | 378ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-29 18:51:00 | 616ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-25 18:06:00 | 724ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-24 17:50:00 | 657ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-20 13:40:22 | 1187ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-14 20:16:44 | 1236ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-07 17:55:54 | 2491ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-26 11:28:46 | 488ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-24 05:23:23 | 2916ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-21 01:10:48 shown | 9615ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-18 23:30:52 | 5388ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-23 01:13:49 | 1475ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-26 04:39:30 | 737ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-24 11:57:28 | 995ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 23:13:48 | 930ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 13:58:54 | 2219ms | 2 NS 2 A 0 MX | ⚠️ Bogus |