ontek.dk is a .dk domain served by 3 nameservers (helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com). It was registered on 2 November 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 78.31.252.23 is hosted by EWII Bredbaand A/S (AS204151) in Denmark. Mail is handled by ontek.dk. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 78.31.252.23 | 300s | smtp.mailpro.dk | AS204151 | EWII Bredbaand A/S | 78.31.252.0/22 | 🇩🇰 Denmark | Aalborg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | ontek.dk | 78.31.252.23 | smtp.mailpro.dk | AS204151 EWII Bredbaand A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | smtp.mailpro.dk.ontek.dk → 78.31.252.23 |
| 🔶 Autoconfig | smtp.mailpro.dk.ontek.dk → 78.31.252.23 |
| TXT Record |
|---|
| v=spf1 a mx ip4:78.31.252.23 -all |
| Policy | Record (ontek.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx ip4:78.31.252.23 -all |
| Policy | Record (_dmarc.ontek.dk) |
|---|---|
| p=quarantine | v=DMARC1;p=quarantine;rua=mailto:postmaster@mailpro.dk |
| www | 78.31.252.23 (AS204151) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | 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: 2/10 · policy: -all
No problems found| 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 | 2026012500 |
| Primary NS (MNAME) | hydrogen.ns.hetzner.com |
| Responsible (RNAME) | dns@hetzner.com |
| Refresh | 86400s |
| Retry | 10800s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2022-11-02 |
| Expires | 2027-11-01 (379d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-04 04:17:33 shown | 704ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 18:19:58 | 869ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 18:31:19 | 904ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 14:19:13 | 1440ms | 3 NS 1 A 1 MX | 🔓 Insecure |