cubo.dk is a .dk domain served by 2 nameservers (jocelyn.ns.cloudflare.com, walt.ns.cloudflare.com). It was registered on 7 November 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 35.214.230.115 is hosted by Google Ireland Limited (AS43515) in The Netherlands. Mail is handled by cubo-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 |
|---|---|---|---|---|---|---|---|
| 35.214.230.115 | 600s | 115.230.214.35.bc.googleusercontent.com | AS43515 | Google Ireland Limited | 35.214.128.0/17 | 🇳🇱 The Netherlands | Groningen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.213.40 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| _globalsign-domain-verification=AXCG6jDB74MGu-4ennbgQqdLj_fW0hqERunSaqAk8p |
| _globalsign-domain-verification=pNaJWdh2tZL3kVN_ghFDiVWG_ERZBIe6OtO8rCCTCm |
| _globalsign-domain-verification=shsBXPmgyEd3uXMO__gsF89afF580D-mt3e9c3eVkD |
| apple-domain-verification=NdHXatNtn6fw9GYc |
| linkedin-site-verification=06744058-7f8b-475f-958f-96773cb5d825 |
| MS=ms46578304 |
| v=spf1 include:spf.cubo.dk include:sendgrid.net include:_spf.stejtech.net include:spf.protection.outlook.com ip4:185.81.36.190 ip4:62.242.42.172 -all |
| Policy | Record (cubo.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.cubo.dk include:sendgrid.net include:_spf.stejtech.net include:spf.protection.outlook.com ip4:185.81.36.190 ip4:62.242.42.172 -all |
| Policy | Record (_dmarc.cubo.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email |
| www | 35.214.230.115 (AS15169) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u38089343.wl094.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u38089343.wl094.sendgrid.net | RSA · ~2048 bit |
| selector1 | selector1-cubo-dk._domainkey.cuboarkitekter.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-cubo-dk._domainkey.cuboarkitekter.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: 9/10 · 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 | 2406180030 |
| Primary NS (MNAME) | jocelyn.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 1996-11-07 |
| Expires | 2026-12-31 (75d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 19:55:25 | 1475ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-02 16:36:50 | 1050ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-27 15:40:02 | 1371ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 12:26:31 | 1579ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-07 04:37:08 | 1687ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-25 22:08:47 | 17184ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-22 19:32:06 | 9126ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 08:18:02 shown | 2241ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 23:10:03 | 763ms | 2 NS 1 A 1 MX | 🔓 Insecure |