oatcopenhagen.dk is a .dk domain served by 2 nameservers (blair.ns.cloudflare.com, kai.ns.cloudflare.com). It was registered on 3 July 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.40.193 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.oatcopenhagen.dk. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this 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 |
|---|---|---|---|---|---|---|---|
| 104.21.40.193 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.188.67 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | mail.oatcopenhagen.dk | 144.76.115.20 | cp05.nordicway.dk | AS24940 Hetzner Online GmbH |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:bc43 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:28c1 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.40.193,172.67.188.67 ech=AEX+DQBBYAAgACAxrvh6uO+lluAfM5nQnCLjW61wH96yeAzBiWzsEOacfAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bc43,2606:4700:3033::6815:28c1 |
| TXT Record |
|---|
| google-site-verification=D90eTdxuIEIcrDhk-kjPQdnedYhZZpNMA6MBy7WgRlU |
| v=spf1 +a +mx +ip4: 144.76.115.20 ~all |
| Policy | Record (oatcopenhagen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx +ip4: 144.76.115.20 ~all |
| www | 104.21.40.193 172.67.188.67 2606:4700:3030::ac43:bc43 2606:4700:3033::6815:28c1 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network oatcopenhagen.dk: 104.21.40.193 172.67.188.67 2606:4700:3030::ac43:bc43 2606:4700:3033::6815:28c1 (AS13335) www.oatcopenhagen.dk: 104.21.40.193 172.67.188.67 2606:4700:3030::ac43:bc43 2606:4700:3033::6815:28c1 (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 2/10 · policy: ~all
| 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 | 2404069231 |
| Primary NS (MNAME) | blair.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2020-07-03 |
| Expires | 2027-07-31 (279d) |
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 |
|---|---|---|---|
| 2026-09-29 18:12:01 | 609ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 00:06:46 | 653ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-10 05:28:06 | 3004ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-31 16:06:56 | 2473ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-23 07:24:10 | 1061ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-12 00:29:08 | 9956ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-25 08:03:17 shown | 3960ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 17:02:35 | 914ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 01:29:55 | 3015ms | 2 NS 2 A 1 MX | 🔓 Insecure |