cervus-advice.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.106.69 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by cervusadvice-dk01e.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 94.231.106.69 | — | linux209.curanet.dk | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| brevo-code:2407b78a0439d4ad09885c8430552f4a |
| MS=ms26168693 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (cervus-advice.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.cervus-advice.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com |
| www | 94.231.106.69 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | 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: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026052501 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 04:50:29 | 1134ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 14:51:09 | 1278ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 21:29:40 | 848ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 08:50:31 | 1662ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 03:11:43 | 1885ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-22 01:31:03 | 6696ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-16 18:28:12 | 2915ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 16:53:06 | 1885ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-08 15:08:03 | 5818ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 02:27:29 | 1524ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 20:10:20 shown | 1750ms | 2 NS 1 A 1 MX | 🔒 Secure |