surfshark.dk is a .dk domain served by 2 nameservers (dale.ns.cloudflare.com, dawn.ns.cloudflare.com). It was registered on 21 October 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.96.138 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 |
|---|---|---|---|---|---|---|---|
| 104.21.96.138 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.181.163 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:608a | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:b5a3 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.96.138,172.67.181.163 ech=AEX+DQBBzQAgACDfXeqy9qjZ902etlEUoA9mosJwByrwfCUZaJ0n/9+ZXQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:608a,2606:4700:3033::ac43:b5a3 |
| www | 104.21.96.138 172.67.181.163 2606:4700:3031::6815:608a 2606:4700:3033::ac43:b5a3 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network surfshark.dk: 104.21.96.138 172.67.181.163 2606:4700:3031::6815:608a 2606:4700:3033::ac43:b5a3 (AS13335) www.surfshark.dk: 104.21.96.138 172.67.181.163 2606:4700:3031::6815:608a 2606:4700:3033::ac43:b5a3 (AS13335) |
| Wildcard | No |
| 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 | 2411787126 |
| Primary NS (MNAME) | dale.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2020-10-21 |
| Expires | 2027-10-31 (377d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 23:04:37 | 1897ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-26 09:11:38 | 9493ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-23 17:11:57 | 8936ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-09 23:26:46 shown | 4346ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-26 11:42:14 | 654ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-22 15:40:06 | 830ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 13:45:11 | 4387ms | 2 NS 2 A 0 MX | 🔓 Insecure |