rudbeckinvest.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). Mail is handled by rudbeckinvest-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.97.152.120 |
| TXT Record |
|---|
| 0ed1fe018adc029300f9c040c8a27caf8d15f987c9 |
| MS=ms45029351 |
| v=spf1 include:spf.protection.outlook.com ~all |
| Policy | Record (rudbeckinvest.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.protection.outlook.com ~all |
| www | NXDOMAIN |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-rudbeckinvest-dk._domainkey.rudbecktransportdk.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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2024101601 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 16:01:41 | 926ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-27 03:04:49 | 801ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-05 18:20:46 | 725ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-23 11:12:52 shown | 1397ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-17 11:55:53 | 1185ms | 2 NS 0 A 1 MX | 🔒 Secure |