siriusunity.dk is a .dk domain served by 3 nameservers (ns1.itwebhotel.dk, ns2.itwebhotel.dk, ns3.itwebhotel.dk). It was registered on 16 April 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 136.243.153.199 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by siriusunity-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 136.243.153.199 | 3600s | ns3.itwebhotel.dk | AS24940 | Hetzner Online GmbH | 136.243.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| 🔶 Autoconfig | siriusunity.dk → 136.243.153.199 |
| TXT Record |
|---|
| MS=ms52941317 |
| spf2.0/pra |
| v=spf1 a mx ip4:136.243.153.199 include:spf.gigahost.dk include:spf.protection.outlook.com ~all |
| Policy | Record (siriusunity.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:136.243.153.199 include:spf.gigahost.dk include:spf.protection.outlook.com ~all |
| www CNAME | siriusunity.dk (all on siriusunity.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 4/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.siriusunity.dk | siriusunity.dk |
| 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 | 2025112700 |
| Primary NS (MNAME) | ns1.itwebhotel.dk |
| Responsible (RNAME) | hostmaster@siriusunity.dk |
| Refresh | 3600s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 2002-04-16 |
| Expires | 2027-06-30 (256d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 12:23:25 | 1782ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-11 03:59:11 | 1383ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 17:52:18 shown | 1406ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-22 04:15:51 | 1598ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-03 07:41:23 | 1965ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 04:25:15 | 2457ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 02:55:39 | 946ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 13:56:29 | 4122ms | 3 NS 1 A 1 MX | 🔓 Insecure |