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 not DNSSEC-signed, 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 | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| 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 shown | 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 | 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 |