c4-support.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.138.100 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx1.zohomail.com, mx2.zohomail.com and 1 more. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 46.183.138.100 | 3600s | — | AS47292 | Sentia Denmark A/S | 46.183.138.0/23 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | c4-support.dk → 46.183.138.100 |
| 🔶 Autoconfig | c4-support.dk → 46.183.138.100 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| TXT Record |
|---|
| spf2.0/pra |
| v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (c4-support.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.c4-support.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www | 95.111.208.174 (AS202053) (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| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.c4-support.dk | c4-support.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 | 2026080601 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@c4-support.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-08-28 07:25:26 | 555ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-19 02:38:56 | 4701ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-13 20:03:37 | 3750ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-08 06:59:46 shown | 1310ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-01 15:45:34 | 2808ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 08:52:32 | 1507ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 11:08:44 | 1315ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-11 11:29:34 | 1223ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 14:17:56 | 7625ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-25 14:10:35 | 802ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-24 18:59:30 | 3196ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-19 14:39:55 | 3870ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-18 15:20:13 | 5216ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 18:48:46 | 565ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 18:40:03 | 1100ms | 5 NS 1 A 3 MX | 🔓 Insecure |