omninet.dk is a .dk domain served by 4 nameservers (ns1.openhost.dk, ns2.openhost.dk, ns3.openhost.dk and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.226.144.135 is hosted by Netnoerden ApS (AS216275) in Denmark. Mail is handled by omninet-dk.x-v1.mx.microsoft. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 91.226.144.135 | — | int-web01.cph.openhost.dk | AS216275 | Netnoerden ApS | 91.226.144.0/23 | 🇩🇰 Denmark | Frederiksberg |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a13:e746:8818:100::10 | — | — | AS216275 | Netnoerden ApS | 2a13:e740:0:0:0:0:0:0/29 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (omninet.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.omninet.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject |
| www CNAME | omninet.dk (all on omninet.dk) |
| www vs bare domain | Same network omninet.dk: 91.226.144.135 2a13:e746:8818:100::10 (AS216275) www.omninet.dk: 91.226.144.135 2a13:e746:8818:100::10 (AS216275) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.omninet-dk.x-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | 38D895F5105BC2545822C17A2444F4B0… |
| SMTP _25._tcp.omninet-dk.x-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | A6C267923B26A4A9617EDA73D8DB4FBC… |
| SMTP _25._tcp.omninet-dk.x-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | 6EBFF927297A5B3AAF5EAE672252C36A… |
| SMTP _25._tcp.omninet-dk.x-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | 5F88694615E4C61686E106B84C3338C6… |
| SMTP _25._tcp.omninet-dk.x-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | C495D9E40F7E625BE22F83CC64305182… |
| SMTP _25._tcp.omninet-dk.x-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 133086C7B822371A4A3304F1661A7880… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns1.openhost.dk |
| Responsible (RNAME) | hostmaster@openhost.dk |
| Refresh | 7200s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 22:12:34 | 4576ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 19:35:37 | 2812ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 14:52:59 | 7321ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-09 14:42:14 | 6443ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 22:23:22 | 3063ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 14:26:12 | 3060ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 12:30:13 | 931ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 18:13:11 | 2066ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 01:02:40 shown | 4380ms | 4 NS 1 A 1 MX | 🔒 Secure |