Who runs e-mail for .dk domains, measured from each domain's primary MX, and how well each platform's customers are protected by SPF, DMARC, MTA-STS, DANE and DKIM. Data comes from our own scanners, which re-resolve every .dk domain in the zone roughly once a week.
| Platform | Domains | Share | Trend |
|---|---|---|---|
| one.com | 157,444 | trend starts 2026-09-29 | |
| Simply.com | 122,282 | trend starts 2026-09-29 | |
| Microsoft 365 | 104,133 | trend starts 2026-09-29 | |
| DanDomain | 41,849 | trend starts 2026-09-29 | |
| Google Workspace | 40,344 | trend starts 2026-09-29 | |
| Webhosting.dk | 18,462 | trend starts 2026-09-29 | |
| Gigahost | 16,669 | trend starts 2026-09-29 | |
| onlinemail.io | 13,798 | trend starts 2026-09-29 | |
| scannet.dk | 8,966 | trend starts 2026-09-29 | |
| cloudflare.net | 6,668 | trend starts 2026-09-29 | |
| spamfilter.io | 5,510 | trend starts 2026-09-29 | |
| serverpark.dk | 5,261 | trend starts 2026-09-29 | |
| spamfri.dk | 4,301 | trend starts today | |
| Proton | 4,030 | trend starts today | |
| hostedemail.com | 3,182 | trend starts today | |
| hostinger.com | 2,655 | trend starts today | |
| cscdns.net | 2,481 | trend starts today | |
| udag.de | 2,459 | trend starts today | |
| Zoho | 2,388 | trend starts today | |
| wannafind.dk | 2,317 | trend starts today | |
| mailspamprotection.com | 2,268 | trend starts today | |
| mailanyone.net | 2,243 | trend starts today | |
| iCloud | 2,133 | trend starts today | |
| dotserv.com | 1,620 | trend starts today | |
| netsite.dk | 1,578 | trend starts today | |
| centerasecurity.dk | 1,367 | trend starts today | |
| powerhosting.dk | 1,307 | trend starts today | |
| ovh.net | 1,176 | trend starts today | |
| your-server.de | 1,116 | trend starts today | |
| kasserver.com | 1,102 | trend starts today | |
| other | 154,006 | trend starts today |
| Platform | SPF | SPF -all | DMARC | DMARC enforcing | MTA-STS enforce | DANE (MX) |
|---|---|---|---|---|---|---|
| one.com | 14% | 3% | 8% | 5% | 0.0% | 99% |
| Simply.com | 83% | 66% | 70% | 68% | 0.0% | 99% |
| Microsoft 365 | 98% | 89% | 41% | 27% | 0.1% | 1% |
| DanDomain | 38% | 15% | 7% | 2% | 0.0% | 0% |
| Google Workspace | 55% | 15% | 34% | 16% | 0.2% | 0% |
| Webhosting.dk | 20% | 2% | 17% | 2% | 0.0% | 100% |
| Gigahost | 41% | 38% | 36% | 32% | 0.0% | 0% |
| onlinemail.io | 94% | 47% | 29% | 13% | 0.0% | 0% |
| scannet.dk | 33% | 8% | 5% | 2% | 0.0% | 0% |
| cloudflare.net | 100% | 3% | 27% | 11% | 0.0% | 100% |
| spamfilter.io | 91% | 25% | 21% | 9% | 0.0% | 100% |
| serverpark.dk | 100% | 0% | 99% | 0% | 0.0% | 0% |
| spamfri.dk | 97% | 39% | 62% | 4% | 0.0% | 100% |
| Proton | 99% | 6% | 92% | 76% | 0.2% | 100% |
| hostedemail.com | 70% | 1% | 11% | 1% | 0.0% | 0% |
| hostinger.com | 97% | 1% | 91% | 1% | 0.0% | 0% |
| cscdns.net | 27% | 24% | 29% | 27% | 0.0% | 0% |
| udag.de | 95% | 2% | 3% | 3% | 0.0% | 0% |
| Zoho | 92% | 9% | 37% | 16% | 0.0% | 0% |
| wannafind.dk | 94% | 9% | 8% | 2% | 0.0% | 0% |
| mailspamprotection.com | 96% | 3% | 90% | 4% | 0.0% | 0% |
| mailanyone.net | 95% | 82% | 59% | 41% | 0.1% | 76% |
| iCloud | 99% | 2% | 23% | 13% | 0.1% | 0% |
| dotserv.com | 91% | 86% | 98% | 57% | 0.0% | 0% |
| netsite.dk | 83% | 1% | 81% | 80% | 0.0% | 0% |
| centerasecurity.dk | 98% | 93% | 80% | 60% | 0.3% | 100% |
| powerhosting.dk | 95% | 87% | 89% | 85% | 19.7% | 100% |
| ovh.net | 66% | 48% | 3% | 1% | 0.0% | 0% |
| your-server.de | 92% | 9% | 27% | 10% | 0.1% | 0% |
| kasserver.com | 99% | 1% | 55% | 1% | 0.0% | 0% |
| other | 66% | 24% | 41% | 14% | 0.3% | 6% |
DMARC enforcing = p=quarantine or p=reject. DANE counts TLSA records on the domain's MX hosts, so it reflects the platform more than the customer.
Based on 55,778 domains probed so far (4.1% of the zone). Our scanners refresh these probes at least every 30 days, so the numbers fill in and settle over the first month.
5,878 probed domains (10.5%) have a DKIM key at a common selector, and 31 publish a BIMI logo record.
| Selector | Keys |
|---|---|
| default | 3,026 |
| selector1 | 1,496 |
| selector2 | 770 |
| s1 | 663 |
| s2 | 612 |
| 474 | |
| 381 | |
| dkim | 380 |
| k1 | 330 |
| Key size | Keys |
|---|---|
| 2048 bit | 5,694 |
| 1024 bit | 1,690 |
| revoked | 729 |
| ≤ 768 bit | 8 |
| 4096 bit | 8 |
| 3072 bit | 3 |
| Delegated to (CNAME) | Domains |
|---|---|
| onmicrosoft.com | 1,176 |
| sendgrid.net | 439 |
| mail.microsoft | 374 |
| mcsv.net | 185 |
| dnssmarthost.net | 117 |
| powerhosting.dk | 76 |
| ascendbywix.com | 36 |
| webnode.com | 23 |
| tutanota.de | 10 |
| simplelogin.co | 9 |
| wpx.net | 3 |
| ngdc.net | 2 |
| hovmark.dk | 2 |
| atlassian.net | 2 |
| oneopensky.dk | 2 |
| onlinemail.io | 1 |
| marketingautomation.services | 1 |
| hobit.dk | 1 |
| curnon.dk | 1 |
| greait.cloud | 1 |