opendi.dk is a .dk domain served by 2 nameservers (earl.ns.cloudflare.com, jamie.ns.cloudflare.com). It was registered on 1 September 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.95.253 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mxa.mailgun.org, mxb.mailgun.org. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.95.253 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.171.233 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mxa.mailgun.org | 34.36.182.139 | 139.182.36.34.bc.googleusercontent.com | AS396982 Google LLC |
| 10 | 300s | mxb.mailgun.org | 34.149.254.5 | 5.254.149.34.bc.googleusercontent.com | AS396982 Google LLC |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.95.253 |
| 🔶 Autoconfig | 172.67.171.233 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:abe9 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:5ffd | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.95.253,172.67.171.233 ech=AEX+DQBBfAAgACBkVpA/zTSZWKKXbIWzMIbvY3HhrHjbKrAOeMNn2n3VGwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:abe9,2606:4700:3033::6815:5ffd |
| TXT Record |
|---|
| google-site-verification=DlMRCrxVcp_rtT714RKdSUlSXrlau4d_aXaV7-M44Uw |
| google-site-verification=h-EmZvFyQ0FXTCYKfRMqpS2ZmJV6rHifv3DGgrfI8hE |
| v=spf1 include:mailgun.org ~all |
| Policy | Record (opendi.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:mailgun.org ~all |
| Policy | Record (_dmarc.opendi.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; pct=100 |
| www | 104.21.95.253 172.67.171.233 2606:4700:3031::ac43:abe9 2606:4700:3033::6815:5ffd (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 5/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.opendi.dk | 6ah6KC0f7jHnr20LqJzc2BYBUbzDl6rR8zqWkW3FHTQ |
| TXT | _acme-challenge.opendi.dk | fGZhJIAO9h_fM6zCtcth1NvU4B8qiXHmhRqB5CtUK1U |
| 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 | 2417629074 |
| Primary NS (MNAME) | earl.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | united-domains GmbH |
| Registered | 2009-09-01 |
| Expires | 2027-09-30 (347d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 08:50:13 shown | 547ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-16 08:47:33 | 2247ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-24 17:34:50 | 1238ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-11 14:22:10 | 1667ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-27 01:24:41 | 837ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-19 07:24:47 | 7060ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-18 06:10:07 | 2443ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-15 14:00:06 | 19036ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-14 09:18:16 | 2438ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-26 16:48:54 | 9410ms | 2 NS 2 A 2 MX | ❓ Unknown |
| 2026-07-25 16:40:59 | 14010ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-03 13:41:42 | 3365ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-20 22:46:56 | 1037ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 20:22:25 | 712ms | 2 NS 2 A 2 MX | 🔓 Insecure |