neurosym.dk is a .dk domain served by 2 nameservers (clark.ns.cloudflare.com, daphne.ns.cloudflare.com). It was registered on 1 July 2026 (WHOIS) and first appeared in the .dk zone on 2 July 2026. Its website address 104.21.61.143 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route1.mx.cloudflare.net, route2.mx.cloudflare.net 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 |
|---|---|---|---|---|---|---|---|
| 104.21.61.143 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.211.49 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:d331 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:3d8f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.61.143,172.67.211.49 ech=AEX+DQBBTgAgACAnNE9Fl8m7N+Q27jE4rqmPcAsd/PrNePHnoeg/PJ9RAwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:d331,2606:4700:3035::6815:3d8f |
| TXT Record |
|---|
| protonmail-verification=36878def44baa7a8a332c4282f87e277f76b3b60 |
| v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (neurosym.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mx.cloudflare.net ~all |
| www | 104.21.61.143 172.67.211.49 2606:4700:3031::ac43:d331 2606:4700:3035::6815:3d8f (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network neurosym.dk: 104.21.61.143 172.67.211.49 2606:4700:3031::ac43:d331 2606:4700:3035::6815:3d8f (AS13335) www.neurosym.dk: 104.21.61.143 172.67.211.49 2606:4700:3031::ac43:d331 2606:4700:3035::6815:3d8f (AS13335) |
| Wildcard | No |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| 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.route1.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.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.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 | 2416877501 |
| Primary NS (MNAME) | clark.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2026-07-01 |
| Expires | 2027-06-30 (253d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 11:25:31 shown | 3770ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-30 09:26:10 | 658ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-08 04:50:33 | 1893ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-30 08:24:17 | 906ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-03 20:30:41 | 5826ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-02 08:44:20 | 1582ms | 2 NS 2 A 0 MX | 🔓 Insecure |