seobureauet.dk is a .dk domain served by 2 nameservers (cass.ns.cloudflare.com, leland.ns.cloudflare.com). It was registered on 17 February 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.27.182 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.27.182 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.169.156 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:1bb6 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:a99c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.27.182,172.67.169.156 ech=AEX+DQBBjQAgACBjqANT/qHzPdsEwM9bLIvTz1WdX7tPTbN7YLaPui+5UAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:1bb6,2606:4700:3036::ac43:a99c |
| TXT Record |
|---|
| brevo-code:0bb77c7a7a7fc158479b81cec16d50f9 |
| google-site-verification=57hcsSfhDaSU3pJblny667iLT-1qtAq7XirNgT8dt4k |
| v=spf1 include:spf.simply.com ~all |
| Policy | Record (seobureauet.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.simply.com ~all |
| Policy | Record (_dmarc.seobureauet.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
| www | 104.21.27.182 172.67.169.156 2606:4700:3031::6815:1bb6 2606:4700:3036::ac43:a99c (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network seobureauet.dk: 104.21.27.182 172.67.169.156 2606:4700:3031::6815:1bb6 2606:4700:3036::ac43:a99c (AS13335) www.seobureauet.dk: 104.21.27.182 172.67.169.156 2606:4700:3031::6815:1bb6 2606:4700:3036::ac43:a99c (AS13335) |
| Wildcard | No |
DNS lookups: 1/10 · 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 | 2412155255 |
| Primary NS (MNAME) | cass.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 | 2026-02-17 |
| Expires | 2027-02-16 (114d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 03:04:54 | 536ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-12 22:31:26 | 1417ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-11 21:34:25 | 1150ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-28 05:51:48 | 570ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-03 05:03:27 shown | 1033ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-15 10:07:51 | 2734ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-12 13:47:08 | 1118ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 12:49:36 | 715ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 08:00:12 | 1747ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 07:58:20 | 1110ms | 2 NS 2 A 1 MX | 🔓 Insecure |