elektronhjernen.dk is a .dk domain served by 2 nameservers (cory.ns.cloudflare.com, nucum.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.10.209 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, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.10.209 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.164.132 | 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 |
| 10 | 300s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 300s | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:ad1 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::ac43:a484 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.10.209,172.67.164.132 ech=AEX+DQBBDAAgACDzPyb+KnlKO5ZYwlSA22H3fz6Z7EBsnDuiZgFbMmhGBwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:ad1,2606:4700:3031::ac43:a484 |
| TXT Record |
|---|
| v=spf1 mx include:spf.gigahost.dk ~all |
| Policy | Record (elektronhjernen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx include:spf.gigahost.dk ~all |
| Policy | Record (_dmarc.elektronhjernen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www | 104.21.10.209 172.67.164.132 2606:4700:3031::6815:ad1 2606:4700:3031::ac43:a484 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network elektronhjernen.dk: 104.21.10.209 172.67.164.132 2606:4700:3031::6815:ad1 2606:4700:3031::ac43:a484 (AS13335) www.elektronhjernen.dk: 104.21.10.209 172.67.164.132 2606:4700:3031::6815:ad1 2606:4700:3031::ac43:a484 (AS13335) |
| Wildcard | No |
DNS lookups: 2/10 · 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 | 2408960630 |
| Primary NS (MNAME) | cory.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 17:09:23 | 2284ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-30 16:43:43 | 912ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-19 18:56:54 | 1235ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-08 09:52:02 | 1882ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-26 09:48:05 | 2839ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-04 01:03:49 | 1006ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-08 13:00:20 shown | 9899ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-29 15:10:30 | 862ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-23 15:55:32 | 2037ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-23 13:33:40 | 1149ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 04:55:29 | 984ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 06:45:20 | 589ms | 2 NS 2 A 3 MX | 🔓 Insecure |