mulcol.dk is a .dk domain served by 2 nameservers (ns1.redium.nl, ns2.redium.nl). It was registered on 14 September 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 164.138.254.192 is hosted by Asimo Networks B.V. (AS49127) in The Netherlands. Mail is handled by mail.mulcol.dk. The zone is DNSSEC-signed but currently fails validation, 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 |
|---|---|---|---|---|---|---|---|
| 164.138.254.192 | 3600s | svr403.redium.net | AS49127 | Asimo Networks B.V. | 164.138.248.0/21 | 🇳🇱 The Netherlands | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.mulcol.dk | 164.138.254.192 | svr403.redium.net | AS49127 Asimo Networks B.V. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 164.138.254.192 |
| 🔶 Autoconfig | 164.138.254.192 |
| TXT Record |
|---|
| v=spf1 a mx ip4:164.138.254.39 ~all |
| Policy | Record (mulcol.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:164.138.254.39 ~all |
| www | 164.138.254.192 (AS49127) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'mulcol.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2026061801 |
| Primary NS (MNAME) | ns1.redium.nl |
| Responsible (RNAME) | tech@redium.net |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | InterNetX GmbH |
| Registered | 2018-09-14 |
| Expires | 2027-09-30 (347d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 15:24:31 | 4131ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 06:43:00 | 2704ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 04:31:47 | 1587ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 19:57:35 | 1604ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 01:25:43 | 3241ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-17 14:29:30 | 1480ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-10 13:30:53 | 3822ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-04 21:36:46 | 3337ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 13:35:44 | 2818ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-21 02:00:04 | 1534ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-14 18:00:19 | 1049ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-09 05:45:53 | 985ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-06 03:16:59 | 1723ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-24 04:13:05 | 1697ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-16 15:10:56 | 17295ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-10 02:55:38 | 1113ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 21:35:19 | 1152ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 12:17:36 | 1226ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 09:42:00 shown | 1050ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-18 22:37:55 | 2922ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 00:36:21 | 4064ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 00:08:48 | 1136ms | 2 NS 1 A 1 MX | 🔓 Insecure |