cosmosco.dk is a .dk domain served by 2 nameservers (david.ns.cloudflare.com, pam.ns.cloudflare.com). It was registered on 1 February 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.42.221 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by cosmosco-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.42.221 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.167.30 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| 🔶 Autoconfig | 188.245.100.10 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::6815:2add | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:a71e | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.42.221,172.67.167.30 ech=AEX+DQBB4AAgACBLs2r44mwcbvmFSCMiP0VxiPPGCVJ2P5jM3ilMv2ExZAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:2add,2606:4700:3037::ac43:a71e |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| atlassian-domain-verification=5HifMZtaDw/bhLhVdJksA71PUS0T51gLiWuLru6eaWEEwGJusaZvqUseZYnr48Tc |
| facebook-domain-verification=ls565fhqkz54wpeobhkuyh64s9qqpg |
| google-site-verification=LxXRIlcUCKGjZvRiaIGhzdVIfEI0eyOz2hTItoRhXvY |
| mailerlite-domain-verification=3b5ce007a20f53b0a09d3e6800496d322dca89e4 |
| MS=ms97676666 |
| Sendinblue-code:9905f28d8d8aac8ec4bd12d5885d0700 |
| v=spf1 include:_spf.mlsend.com include:spf.sendinblue.com include:spf.protection.outlook.com a mx ~all |
| Policy | Record (cosmosco.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mlsend.com include:spf.sendinblue.com include:spf.protection.outlook.com a mx ~all |
| Policy | Record (_dmarc.cosmosco.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; sp=none; rua=mailto:dmarc@mailinblue.com!10m; ruf=mailto:dmarc@mailinblue.com!10m; rf=afrf; pct=100; ri=86400 |
| www | 104.21.42.221 172.67.167.30 2606:4700:3032::6815:2add 2606:4700:3037::ac43:a71e (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network cosmosco.dk: 104.21.42.221 172.67.167.30 2606:4700:3032::6815:2add 2606:4700:3037::ac43:a71e (AS13335) www.cosmosco.dk: 104.21.42.221 172.67.167.30 2606:4700:3032::6815:2add 2606:4700:3037::ac43:a71e (AS13335) |
| 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 | — | RSA · ~1024 bit below 2048 bit |
| — | RSA · ~1024 bit below 2048 bit | |
| s1 | s1.domainkey.u26240824.wl075.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u26240824.wl075.sendgrid.net | 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: 5/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.cosmosco.dk | 52eHCbRgWsIuBfmTbTxnmrtaor6kXL2zf5Yd_ktW2-I |
| TXT | _acme-challenge.cosmosco.dk | ooYmY2Hqs04KmeciR55VS8VsVrxRUJkTbEsuHuN8Q3Y |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2413813394 |
| Primary NS (MNAME) | david.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | GANDI SAS |
| Registered | 2020-02-01 |
| Expires | 2027-02-28 (131d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 06:27:20 | 2048ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-04 00:42:37 | 1159ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-03 21:17:39 | 1083ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-02 21:15:53 | 3019ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 21:10:00 | 1116ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-28 20:57:28 | 1618ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-27 20:48:25 | 1477ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-25 20:13:16 | 940ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-21 17:27:35 | 1404ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-02 17:37:13 shown | 1111ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-28 19:51:52 | 1878ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-09 01:06:36 | 1742ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-24 20:58:51 | 2684ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-12 09:21:36 | 2108ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 23:48:13 | 843ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 22:43:22 | 2388ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 22:30:07 | 776ms | 2 NS 2 A 1 MX | 🔓 Insecure |