performit.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 4 March 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.148 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by performit-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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.41.148 | 3600s | linux101.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| 🔶 Autoconfig | 185.21.41.148 |
| TXT Record |
|---|
| google-site-verification=cGV4P3IduwaBtQPK-vpnt3O37wj9TUxKJ9YRwWFephs |
| MS=ms63128142 |
| v=DMARC1; p=reject; rua=mailto:support@performit.dk; pct=100; adkim=s; aspf=s |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (performit.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | 185.21.41.148 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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-performit-dk._domainkey.it01032025.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-performit-dk._domainkey.it01032025.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 | fully validated |
| Field | Value |
|---|---|
| Serial | 2026072901 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 2025-03-04 |
| Expires | 2027-03-03 (137d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 15:55:14 | 616ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 04:09:57 shown | 838ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-02 11:59:58 | 1110ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 13:14:42 | 6360ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 04:31:05 | 6008ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 11:36:45 | 1172ms | 2 NS 1 A 1 MX | 🔒 Secure |