s-nissen.dk is a .dk domain served by 2 nameservers (alfred.ns.cloudflare.com, zainab.ns.cloudflare.com). It was registered on 14 June 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.58.252 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route3.mx.cloudflare.net, route2.mx.cloudflare.net 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 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 |
|---|---|---|---|---|---|---|---|
| 104.21.58.252 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.166.133 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.58.252 |
| 🔶 Autoconfig | 172.67.166.133 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:a685 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:3afc | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.58.252,172.67.166.133 ech=AEX+DQBBQAAgACAI/1e1Q531ZDlPMFVy7wBqyvPVI7ekYCRyE+4JDY7ZfQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:a685,2606:4700:3033::6815:3afc |
| TXT Record |
|---|
| forward-email=nickknissen@gmail.com |
| v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (s-nissen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (_dmarc.s-nissen.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:7d51bf307c004857ba48cbd979b61af6@dmarc-reports.cloudflare.net,mailto:dmarc@smtp-staging.mailtrap.net; ruf=mailto:dmarc@smtp-staging.mailtrap.net; rf=afrf; pct=100 |
| www | 104.21.58.252 172.67.166.133 2606:4700:3031::ac43:a685 2606:4700:3033::6815:3afc (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network s-nissen.dk: 104.21.58.252 172.67.166.133 2606:4700:3031::ac43:a685 2606:4700:3033::6815:3afc (AS13335) www.s-nissen.dk: 104.21.58.252 172.67.166.133 2606:4700:3031::ac43:a685 2606:4700:3033::6815:3afc (AS13335) |
| 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-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| 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 | 2415549538 |
| Primary NS (MNAME) | alfred.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Domeneshop AS |
| Registered | 2022-06-14 |
| Expires | 2027-06-13 (238d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-23 17:40:24 shown | 1184ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-08 01:51:19 | 2585ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-30 00:45:21 | 2752ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-27 03:19:06 | 10050ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-07 21:36:19 | 1961ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-04 11:33:59 | 4467ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-03 07:32:46 | 3028ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-28 07:32:41 | 1295ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-23 17:31:54 | 1076ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-17 12:02:30 | 2529ms | 2 NS 2 A 3 MX | 🔓 Insecure |