ardex.dk is a .dk domain served by 4 nameservers (ns-1165.awsdns-17.org, ns-1724.awsdns-23.co.uk, ns-249.awsdns-31.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.204 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by ardex-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 185.21.40.204 | 3600s | linux27.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| _globalsign-domain-verification=c1U4UoPwjpKjhog6sqeV3G9YE6N2fwTp6EoldqzGyP |
| Ardex Skandinavia A/S |
| atlassian-domain-verification=dUCE0pbA2UElVfXL6EIE2cnN/J/Ttu7Oiv3stmiAZpmICfe47+tQSSPVkSJuS3oF |
| MS=ms44598904 |
| MS=ms60089205 |
| v=spf1 include:spf.protection.outlook.com include:spf.oo.dk a:smtp-relay.ip.nianet.dk a:smtpgw.ardex.de IP4:81.95.245.163 include:servers.mcsv.net include:sendgrid.net -all |
| Policy | Record (ardex.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.oo.dk a:smtp-relay.ip.nianet.dk a:smtpgw.ardex.de IP4:81.95.245.163 include:servers.mcsv.net include:sendgrid.net -all |
| Policy | Record (_dmarc.ardex.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc-reports@ardex.dk |
| www | 185.21.40.204 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | default._domainkey.erpsmtp.de | RSA · ~2048 bit |
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 2048 bit |
| s1 | s1.domainkey.u6162300.wl051.sendgrid.net | RSA · ~1024 bit below 2048 bit |
| s2 | s2.domainkey.u6162300.wl051.sendgrid.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-ardex-dk._domainkey.ardexgroup.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-ardex-dk._domainkey.ardexgroup.onmicrosoft.com | RSA · ~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: 7/10 · policy: -all
No problems found| 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 | 1 |
| Primary NS (MNAME) | ns-865.awsdns-44.net |
| Responsible (RNAME) | awsdns-hostmaster@amazon.com |
| Refresh | 7200s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-11 02:07:23 shown | 14725ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 16:19:55 | 3736ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 01:33:23 | 4989ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 13:39:25 | 877ms | 4 NS 1 A 1 MX | 🔓 Insecure |