gate21.dk is a .dk domain served by 3 nameservers (ns1.wpdns.host, ns2.wpdns.host, ns3.wpdns.host). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 136.244.109.32 is hosted by The Constant Company, LLC (AS20473) in The Netherlands. Mail is handled by dk.mx1.mailanyone.net, dk.mx2.mx25.net and 2 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 |
|---|---|---|---|---|---|---|---|
| 136.244.109.32 | 1800s | — | AS20473 | The Constant Company, LLC | 136.244.64.0/18 | 🇳🇱 The Netherlands | Amsterdam |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2001:19f0:5000:1e50:5400:4ff:fe90:1aad | 1800s | — | AS20473 | The Constant Company, LLC | 2001:19f0:5000:0:0:0:0:0/38 | 🇳🇱 The Netherlands | Amsterdam |
| TXT Record |
|---|
| ahrefs-site-verification_303b4f352af6a52991521e425e2bad291f42858a5763134b61386d88d032d425 |
| CEOV1605192393 |
| cisco-ci-domain-verification=37e4363f8a1b048fd49c82dc28c235dd08837d244644141b1eefed5f57c07a0e |
| dcIjCNOhhRGjOnnihgTrNf6S0lDUGSImAAFGrzGpYEBeN1ZjEZmXGCCgB0WC4V77PpSRcXkFJTicYRD9/R6PwA== |
| MS=ms33950930 |
| MS=ms37226099 |
| MS=ms72072690 |
| MS=ms93967263 |
| v=spf1 ip4:93.167.199.1 include:spf.protection.outlook.com include:mailmailmail.net include:o._spf.hostedsepo.dk include:servers.mcsv.net include:spf.copenhost.com include:spf.mailanyone.net -all |
| vpe=b0fdceb6 |
| Policy | Record (gate21.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:93.167.199.1 include:spf.protection.outlook.com include:mailmailmail.net include:o._spf.hostedsepo.dk include:servers.mcsv.net include:spf.copenhost.com include:spf.mailanyone.net -all |
| Policy | Record (_dmarc.gate21.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc-reports@gate21.dk; ruf=mailto:dmarc-reports@gate21.dk; fo=1 |
| www | 136.244.109.32 2001:19f0:5000:1e50:5400:4ff:fe90:1aad (AS20473) (address records, no CNAME) |
| www vs bare domain | Same network gate21.dk: 136.244.109.32 2001:19f0:5000:1e50:5400:4ff:fe90:1aad (AS20473) www.gate21.dk: 136.244.109.32 2001:19f0:5000:1e50:5400:4ff:fe90:1aad (AS20473) |
| Wildcard | No |
DNS lookups: 6/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| 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 | 0 |
| Primary NS (MNAME) | ns1.vultr.com |
| Responsible (RNAME) | dnsadm@choopa.com |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 13:09:06 shown | 4810ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-27 00:35:19 | 9942ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-21 08:16:16 | 937ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-17 10:10:31 | 3110ms | 3 NS 1 A 4 MX | 🔓 Insecure |