thco.dk is a .dk domain served by 4 nameservers (ns1-04.azure-dns.com, ns2-04.azure-dns.net, ns3-04.azure-dns.org and 1 more). It was registered on 14 October 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.241.71 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by thco-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 77.111.241.71 | — | webcluster1.wordpresspod2-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.98.16.63 |
| TXT Record |
|---|
| ms-domain-verification=0f99e449-9fc2-4a8e-8fb3-30c1186c4626 |
| MS=ms84325907 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (thco.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.thco.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email |
| www CNAME | thco.dk (all on thco.dk) → 77.111.241.71 (AS51468) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-thco-dk._domainkey.komaarhus.onmicrosoft.com | 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: 1/10 · policy: -all
No problems found| 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 | 1 |
| Primary NS (MNAME) | ns1-04.azure-dns.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2022-10-14 |
| Expires | 2027-10-13 (359d) |
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 |
|---|---|---|---|
| 2026-09-25 23:07:53 | 5324ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-02 05:56:33 | 5972ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 00:23:06 shown | 1534ms | 4 NS 1 A 1 MX | 🔓 Insecure |