fenrisfour.dk is a .dk domain served by 2 nameservers (hank.ns.cloudflare.com, pam.ns.cloudflare.com). It was registered on 10 August 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.33.110 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 |
|---|---|---|---|---|---|---|---|
| 104.21.33.110 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.161.225 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔶 Autoconfig | 104.21.33.110 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:a1e1 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:216e | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.33.110,172.67.161.225 ech=AEX+DQBBgQAgACCtjJTqYQNRIw1mCp9fVamrMFmzvv0EW5KE7Xgto/hPTAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:a1e1,2606:4700:3033::6815:216e |
| TXT Record |
|---|
| brevo-code:7e972e9c61b42e37d0c0b0b4f1f06669 |
| google-site-verification=ugLtFPk3_Nbltxqp6XBGczBndDTmpW4BhHtt8t_h84Y |
| v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (fenrisfour.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (_dmarc.fenrisfour.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com |
| www | 104.21.33.110 172.67.161.225 2606:4700:3031::ac43:a1e1 2606:4700:3033::6815:216e (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network fenrisfour.dk: 104.21.33.110 172.67.161.225 2606:4700:3031::ac43:a1e1 2606:4700:3033::6815:216e (AS13335) www.fenrisfour.dk: 104.21.33.110 172.67.161.225 2606:4700:3031::ac43:a1e1 2606:4700:3033::6815:216e (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~1024 bit below 2048 bit | |
| s1 | s1.domainkey.u19127741.wl242.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u19127741.wl242.sendgrid.net | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.fenrisfour.dk | woocommerce-1085056-3795318.cloudwaysapps.com |
| 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-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.route3.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… |
| 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 | 2416751786 |
| Primary NS (MNAME) | hank.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 | 2020-08-10 |
| Expires | 2027-08-31 (317d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 06:05:41 shown | 686ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-25 01:59:43 | 9764ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-04 00:26:52 | 937ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-31 20:08:27 | 983ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-25 11:22:00 | 829ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-24 17:25:20 | 17278ms | 2 NS 2 A 3 MX | ❓ Unknown |
| 2026-08-06 00:16:58 | 1910ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-08 16:04:00 | 2399ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-26 11:43:49 | 2975ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-24 20:38:31 | 1222ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-22 11:13:27 | 1573ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-21 18:28:38 | 1181ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 11:23:00 | 990ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 10:16:51 | 6279ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 10:16:36 | 1252ms | 2 NS 1 A 3 MX | 🔓 Insecure |