c7support.dk is a .dk domain served by 4 nameservers (ns1.dotserv.com, ns1.dotserv.net, ns2.dotserv.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.97 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by mail.c7support.dk. The zone is of unknown DNSSEC status, has no 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 |
|---|---|---|---|---|---|---|---|
| 178.20.216.97 | 14400s | s0.enavn.dk | AS21060 | Atea A/S | 178.20.216.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 14400s | mail.c7support.dk | 178.20.216.97 2a01:7cc0:101:ffff::1:12 |
s0.enavn.dk — |
AS21060 Atea A/S AS21060 Atea A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 178.20.216.97 |
| 🔶 Autoconfig | 178.20.216.97 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:7cc0:101:ffff::1:12 | 14400s | — | AS21060 | Atea A/S | 2a01:7cc0:100:0:0:0:0:0/40 | 🇩🇰 Denmark | — |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | cpanelemaildiscovery.cpanel.net |
| TXT Record |
|---|
| v=spf1 +a +mx +ip4:178.20.216.97 include:_spf.dotserv.com -all |
| Policy | Record (c7support.dk) |
|---|---|
| -all (hard fail) | v=spf1 +a +mx +ip4:178.20.216.97 include:_spf.dotserv.com -all |
| www CNAME | c7support.dk (all on c7support.dk) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 5/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'c7support.dk/DNSKEY/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2025052202 |
| Primary NS (MNAME) | ns1.dotserv.com |
| Responsible (RNAME) | hostmaster@dotserv.com |
| Refresh | 14400s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 900s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 22:59:41 | 522ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 21:11:18 | 637ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 08:06:14 | 9552ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-14 10:42:27 | 2587ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-31 15:54:36 | 921ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 11:27:31 | 759ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-08 23:30:25 shown | 9069ms | 4 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-28 01:29:03 | 906ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 19:27:34 | 2769ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 08:51:55 | 1013ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 18:45:30 | 428ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 18:40:09 | 587ms | 4 NS 1 A 1 MX | 🔓 Insecure |