selekkt.dk is a .dk domain served by 2 nameservers (duke.ns.cloudflare.com, nina.ns.cloudflare.com). It was registered on 25 July 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.36.126 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.yandex.net. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.36.126 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.194.92 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx.yandex.net | 2a02:6b8::311 77.88.21.249 |
mxfront.stable.qloud-b.yandex.net mxfront.stable.qloud-b.yandex.net |
AS13238 YANDEX LLC AS13238 YANDEX LLC |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:c25c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3032::6815:247e | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.36.126,172.67.194.92 ech=AEX+DQBBGgAgACCrpHxmwpQU1mqIn6lusy3tzi5P6Lc/vkH6PCIkdGFFLQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:c25c,2606:4700:3032::6815:247e |
| TXT Record |
|---|
| google-site-verification=_gen32U9vUMB3G-GNQlKLgmgwGXAJH90Fp18J82gfA8 |
| v=spf1 redirect=_spf.yandex.net |
| Policy | Record (selekkt.dk) |
|---|---|
| redirect=_spf.yandex.net | v=spf1 redirect=_spf.yandex.net |
| www | 104.21.36.126 172.67.194.92 2606:4700:3031::ac43:c25c 2606:4700:3032::6815:247e (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 8/10 · policy: ~all
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.selekkt.dk | B1vzVYecTAaIRMK4rsxwIXhjF6ff_w-oHpQwpZO0Kmg |
| TXT | _acme-challenge.selekkt.dk | b3r-_QaoStQBNqykaI6eiTWRoGoWKL6xgc6Ypq2IXuY |
| 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 | 2412281782 |
| Primary NS (MNAME) | duke.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 | 2015-07-25 |
| Expires | 2031-07-31 (1746d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 01:34:43 | 2320ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-09 12:39:08 | 1019ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-04 09:05:56 | 1183ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-23 00:12:16 | 2012ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-19 22:54:14 | 2342ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-17 15:20:24 | 1912ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-16 09:54:37 shown | 10384ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-14 23:15:42 | 4885ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-07 10:41:58 | 1113ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 08:44:28 | 2371ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 19:08:09 | 985ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 04:46:34 | 721ms | 2 NS 2 A 1 MX | 🔓 Insecure |