feldner.dk is a .dk domain served by 2 nameservers (anirban.ns.cloudflare.com, gail.ns.cloudflare.com). It was registered on 14 September 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.199.108.153 is hosted by Fastly, Inc. (AS54113) in United States. Mail is handled by route2.mx.cloudflare.net, route3.mx.cloudflare.net and 1 more. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 192.168.1.44 |
| 🔶 Autoconfig | 192.168.1.44 |
| TXT Record |
|---|
| v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (feldner.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (_dmarc.feldner.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:davidfeldner12@gmail.com |
| www CNAME | davidfeldner.github.io (all on github.io) |
| www vs bare domain | Same network feldner.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) www.feldner.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| 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 | 2417724538 |
| Primary NS (MNAME) | anirban.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 | 2021-09-14 |
| Expires | 2027-09-30 (346d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 23:53:12 shown | 1636ms | 2 NS 4 A 3 MX | 🔓 Insecure |
| 2026-09-30 03:27:10 | 1127ms | 2 NS 4 A 3 MX | 🔓 Insecure |
| 2026-09-29 15:12:33 | 2140ms | 2 NS 4 A 3 MX | 🔓 Insecure |
| 2026-09-27 07:45:38 | 1009ms | 2 NS 4 A 3 MX | 🔓 Insecure |
| 2026-09-26 07:28:11 | 1348ms | 2 NS 4 A 3 MX | 🔓 Insecure |
| 2026-09-11 09:32:53 | 1773ms | 2 NS 4 A 3 MX | 🔓 Insecure |
| 2026-08-31 09:25:49 | 3942ms | 2 NS 4 A 3 MX | 🔓 Insecure |
| 2026-08-23 14:04:34 | 10129ms | 2 NS 4 A 3 MX | 🔓 Insecure |
| 2026-08-20 19:40:15 | 10071ms | 2 NS 4 A 3 MX | 🔓 Insecure |
| 2026-08-18 15:34:32 | 9973ms | 2 NS 4 A 3 MX | ❓ Unknown |
| 2026-07-30 00:17:46 | 10576ms | 2 NS 4 A 3 MX | 🔓 Insecure |
| 2026-07-16 07:14:07 | 2204ms | 2 NS 4 A 3 MX | 🔓 Insecure |
| 2026-06-27 17:57:06 | 2403ms | 2 NS 4 A 3 MX | 🔓 Insecure |
| 2026-06-26 12:44:09 | 1272ms | 2 NS 4 A 3 MX | 🔓 Insecure |
| 2026-06-23 19:54:24 | 8100ms | 2 NS 4 A 3 MX | 🔓 Insecure |
| 2026-06-23 18:02:25 | 998ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 22:10:51 | 2501ms | 2 NS 4 A 3 MX | 🔓 Insecure |
| 2026-06-20 05:04:04 | 945ms | 2 NS 4 A 3 MX | 🔓 Insecure |
| 2026-06-17 09:25:40 | 1345ms | 2 NS 4 A 3 MX | 🔓 Insecure |