feltmaking.dk is a .dk domain served by 2 nameservers (kobe.ns.cloudflare.com, rosalyn.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.43.126 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.43.126 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.179.134 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 20 | 300s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 30 | 300s | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.43.126 |
| 🔶 Autoconfig | 104.21.43.126 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::6815:2b7e | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:b386 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.43.126,172.67.179.134 ech=AEX+DQBBNwAgACDOo6zzzHdoH45Az6aHWK4YMXnDVugtAXTQA3aguUe+LwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:2b7e,2606:4700:3037::ac43:b386 |
| TXT Record |
|---|
| v=spf1 mx include:spf.gigahost.dk include:_spf.google.com -all |
| Policy | Record (feltmaking.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk include:_spf.google.com -all |
| www | 104.21.43.126 172.67.179.134 2606:4700:3035::6815:2b7e 2606:4700:3037::ac43:b386 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network feltmaking.dk: 104.21.43.126 172.67.179.134 2606:4700:3035::6815:2b7e 2606:4700:3037::ac43:b386 (AS13335) www.feltmaking.dk: 104.21.43.126 172.67.179.134 2606:4700:3035::6815:2b7e 2606:4700:3037::ac43:b386 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 3/10 · policy: -all
No problems found| 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 | 2414517384 |
| Primary NS (MNAME) | kobe.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 12:07:11 shown | 710ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-20 20:56:35 | 1311ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-13 15:07:57 | 1007ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-06 14:19:59 | 5228ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-05 08:25:32 | 1181ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-03 09:17:37 | 10554ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-28 05:25:38 | 918ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-26 06:31:10 | 803ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-25 03:26:36 | 10033ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-14 20:57:02 | 9043ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-25 08:51:24 | 6181ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-22 21:53:04 | 1108ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 09:37:11 | 732ms | 2 NS 2 A 3 MX | 🔓 Insecure |