promotron.dk is a .dk domain served by 5 nameservers (ns.gransy.com, ns2.gransy.com, ns3.gransy.com and 2 more). It was registered on 29 March 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.16.188.222 is hosted by VSHosting s.r.o. (AS43541) in Czechia. Mail is handled by mail.promotron.com. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 217.16.188.222 | 600s | zeus.promotron.com | AS43541 | VSHosting s.r.o. | 217.16.176.0/20 | 🇨🇿 Czechia | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 900s | mail.promotron.com | 2603:1026:9:400::2 2603:1026:9:800::2 40.104.116.34 40.104.116.50 |
— — — — |
AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | zeus.promotron.com → 217.16.188.222 |
| 🔶 Autoconfig | zeus.promotron.com → 217.16.188.222 |
| www CNAME | zeus.promotron.com (all on promotron.com) |
| 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 | Published: key rollovers can be automated with the registry (RFC 7344/8078) 4 CDS, 0 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.promotron.dk | zeus.promotron.com |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2783503293 |
| Primary NS (MNAME) | ns.gransy.com |
| Responsible (RNAME) | root@gransy.com |
| Refresh | 86400s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2018-03-29 |
| Expires | 2027-03-31 (164d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 10:37:59 shown | 1516ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 19:01:33 | 10026ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-17 22:09:18 | 12808ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 10:33:34 | 3214ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-08 15:04:53 | 11283ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 02:30:41 | 4377ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 02:54:52 | 1923ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 01:02:02 | 7174ms | 5 NS 1 A 1 MX | 🔓 Insecure |