balletskolenholstebro.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 3 February 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.152.164 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by balletskolenholstebro-dk.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 our latest 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 |
|---|---|---|---|---|---|---|---|
| 93.191.152.164 | 3600s | web4.vjm.dk | AS48854 | team.blue Denmark A/S | 93.191.152.0/21 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| 🔶 Autoconfig | 185.21.41.198 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 1 | 100 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| mandrill_verify.XT4V68os5IFrWQQrQMaP0Q |
| MS=ms27979996 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (balletskolenholstebro.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.balletskolenholstebro.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; ruf=mailto:dmarclogs@edbscan.dk; rua=mailto:dmarclogs@edbscan.dk; fo=0 |
| www | 93.191.152.164 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network balletskolenholstebro.dk: 93.191.152.164 (AS48854) www.balletskolenholstebro.dk: 93.191.152.164 (AS48854) |
| 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-balletskolenholstebro-dk._domainkey.balletskolen.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-balletskolenholstebro-dk._domainkey.balletskolen.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: 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 | 2026100601 |
| 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 | 2000-02-03 |
| Expires | 2027-03-31 (164d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 06:37:16 shown | 1197ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 03:48:06 | 1030ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-27 21:46:52 | 780ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 12:32:18 | 1858ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 18:43:22 | 2439ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 07:25:42 | 942ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 14:04:07 | 2643ms | 2 NS 1 A 1 MX | 🔒 Secure |