oneopensky.dk is a .dk domain served by 2 nameservers (aiden.ns.cloudflare.com, alice.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.227.38.65 is hosted by Cloudflare, Inc. (AS13335) in Canada. Mail is handled by oneopensky-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 23.227.38.65 | 300s | myshopify.com | AS13335 | Cloudflare, Inc. | 23.227.38.0/23 | 🇨🇦 Canada | Ottawa |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| 🔶 Autoconfig | oneopensky.dk → 23.227.38.65 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 1 | 100 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| facebook-domain-verification=zjsqvea1ge3hyroqmv9nssswjlvvqi |
| google-site-verification=vAFU9mKQhJVg9KbmdUwXUaIQVDombj5zEx9X8O24VPU |
| klaviyo-site-verification=RjcH53 |
| MS=ms42637376 |
| v=DKIM1\; g=*\; k=rsa\; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCn0uztlIpjDBCL8S366YQRe0UkrDX98si6W82omgode11ibr1xiF6TxkRwtyddgfo7LnQ89WiR6HSdsZLZof1fSAUKCJb1qpGggzmJbXkIiFbf9 |
| v=spf1 include:spf.protection.outlook.com include:_spf.powerhosting.dk include:trustpilotservice.com include:sendgrid.net include:spf.lagersystem.dk include:emsd1.com -all |
| Policy | Record (oneopensky.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_spf.powerhosting.dk include:trustpilotservice.com include:sendgrid.net include:spf.lagersystem.dk include:emsd1.com -all |
| www CNAME | shops.myshopify.com (all on myshopify.com) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | oneopensky.dk | RSA\\ Invalid key data — receivers can't verify signatures |
| k1 | oneopensky.dk | RSA\\ Invalid key data — receivers can't verify signatures |
| oneopensky.dk | RSA\\ Invalid key data — receivers can't verify signatures | |
| s1 | oneopensky.dk | RSA\\ Invalid key data — receivers can't verify signatures |
| s2 | oneopensky.dk | RSA\\ Invalid key data — receivers can't verify signatures |
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| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.oneopensky.dk | oneopensky.dk |
| TXT | oneopensky.dk | facebook-domain-verification=zjsqvea1ge3hyroqmv9nssswjlvvqi |
| TXT | oneopensky.dk | klaviyo-site-verification=RjcH53 |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2417888409 |
| Primary NS (MNAME) | aiden.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-24 14:02:33 shown | 2727ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-20 01:06:06 | 4842ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-09 12:41:23 | 1072ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 07:45:25 | 1254ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-02 06:12:02 | 3766ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 05:50:41 | 973ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 14:41:42 | 3052ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 14:47:20 | 1773ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 14:19:21 | 794ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-22 16:22:21 | 2176ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-08 22:13:39 | 1428ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-05 14:06:03 | 969ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 18:29:46 | 1128ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-09 18:28:48 | 1958ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-29 07:01:39 | 1894ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-17 12:06:23 | 10779ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-15 17:50:46 | 9143ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 12:35:15 | 948ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 22:10:44 | 2171ms | 2 NS 1 A 1 MX | 🔓 Insecure |