oo.dk is a .dk domain served by 2 nameservers (ns1.oneoffice.dk, ns2.oneoffice.dk). It was registered on 28 August 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.55.97.110 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by oo-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 |
|---|---|---|---|---|---|---|---|
| 162.55.97.110 | 3600s | cp04.azehosting.net | AS24940 | Hetzner Online GmbH | 162.55.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.178.232 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| anthropic-domain-verification-dvyfct=k6ixZBEvZyiU461eaz7ZtzpgM |
| apple-domain-verification=t36qqLTE3LKXSZJF |
| bw=51pTlqR2ZCC1iv84QXwsAm7zrLRuCJAgA/e8MUTuJj5Y |
| google-site-verification=8VBzClKQZzGPGaFGGHTJovZ4cvslxtLhrjfgVQzruKc |
| MS=ms59322911 |
| P-RtUC6qhCC2 |
| v=spf1 a mx include:spf-eu.emailsignatures365.com include:spf.permido.com include:spf.protection.outlook.com include:spf.oo.dk include:_spf.online.superoffice.com ip4:149.72.222.31 ip4:94.231.103.35 -all |
| Policy | Record (oo.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:spf-eu.emailsignatures365.com include:spf.permido.com include:spf.protection.outlook.com include:spf.oo.dk include:_spf.online.superoffice.com ip4:149.72.222.31 ip4:94.231.103.35 -all |
| Policy | Record (_dmarc.oo.dk) |
|---|---|
| p=quarantine | v=DMARC1;p=quarantine;pct=100 |
| www CNAME | oo.dk (all on oo.dk) → 162.55.97.110 (AS24940) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-oo-dk._domainkey.oocloud.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-oo-dk._domainkey.oocloud.onmicrosoft.com | RSA · ~1024 bit below 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: 8/10 · policy: -all
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.oo.dk | oo.dk.acme.service.one.com |
| 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 | 2026060501 |
| Primary NS (MNAME) | ns1.oneoffice.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 2002-08-28 |
| Expires | 2027-09-30 (346d) |
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 |
|---|---|---|---|
| 2026-10-13 22:05:15 | 1130ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 06:47:17 | 935ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 15:58:30 | 837ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 15:50:35 | 346ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-04 22:34:17 | 2185ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 02:01:58 | 1457ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-14 19:13:20 | 1519ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-08 11:40:39 | 1721ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 23:33:12 | 1459ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 11:36:43 | 2436ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 01:05:26 shown | 832ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 11:10:17 | 991ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 05:31:33 | 855ms | 2 NS 1 A 1 MX | 🔓 Insecure |