koyosushi.dk is a .dk domain served by 2 nameservers (connie.ns.cloudflare.com, finley.ns.cloudflare.com). It was registered on 15 August 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.29.8 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com, mxa.eu.mailgun.org 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 |
|---|---|---|---|---|---|---|---|
| 104.21.29.8 | — | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.171.58 | — | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| 10 | — | mxa.eu.mailgun.org | 34.111.130.244 | 244.130.111.34.bc.googleusercontent.com | AS396982 Google LLC |
| 10 | — | mxb.eu.mailgun.org | 34.111.130.244 | 244.130.111.34.bc.googleusercontent.com | AS396982 Google LLC |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:ab3a | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:1d08 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.29.8,172.67.171.58 ech=AEX+DQBBcQAgACCLRAjcukzv4fR8BmTwARacd6cY+leAQVPWIttYUEh6LQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:ab3a,2606:4700:3037::6815:1d08 |
| TXT Record |
|---|
| v=spf1 include:mailgun.org ~all |
| Policy | Record (koyosushi.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:mailgun.org ~all |
| Policy | Record (_dmarc.koyosushi.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
| www | 104.21.29.8 172.67.171.58 2606:4700:3032::ac43:ab3a 2606:4700:3037::6815:1d08 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network koyosushi.dk: 104.21.29.8 172.67.171.58 2606:4700:3032::ac43:ab3a 2606:4700:3037::6815:1d08 (AS13335) www.koyosushi.dk: 104.21.29.8 172.67.171.58 2606:4700:3032::ac43:ab3a 2606:4700:3037::6815:1d08 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 5/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| 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 | 2406609693 |
| Primary NS (MNAME) | connie.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2021-08-15 |
| Expires | 2027-08-31 (310d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 15:21:19 | 776ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-10-02 15:09:05 | 782ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-30 14:58:50 | 662ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-26 07:25:22 | 833ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-09 00:19:04 | 17182ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-17 16:58:43 shown | 4500ms | 2 NS 2 A 3 MX | 🔓 Insecure |