c2n.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was registered on 10 August 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.107 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by c2n.dk. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 178.20.216.107 | 14400s | server15.chosting.dk | AS21060 | Atea A/S | 178.20.216.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 14400s | c2n.dk | 178.20.216.107 2a01:7cc0:101:ffff::1:f |
server15.chosting.dk server15.chosting.dk |
AS21060 Atea A/S AS21060 Atea A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 178.20.216.107 |
| 🔶 Autoconfig | 178.20.216.107 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:7cc0:101:ffff::1:f | 14400s | server15.chosting.dk | 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 ip4:178.20.216.107 include:spf.chosting.dk ip4:178.20.216.236 ip4:178.20.216.4 ?all |
| Policy | Record (c2n.dk) |
|---|---|
| ?all (neutral) | v=spf1 ip4:178.20.216.107 include:spf.chosting.dk ip4:178.20.216.236 ip4:178.20.216.4 ?all |
| Policy | Record (_dmarc.c2n.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | c2n.dk (all on c2n.dk) |
| www vs bare domain | Same network c2n.dk: 178.20.216.107 2a01:7cc0:101:ffff::1:f (AS21060) www.c2n.dk: 178.20.216.107 2a01:7cc0:101:ffff::1:f (AS21060) |
| Wildcard | No |
| 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: 3/10 · policy: ?all
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.c2n.dk | mtL8YD-doZvy_eKQV6mkDQ-nK6aWtJLBn978y4e00Mg |
| 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 | 2026072301 |
| Primary NS (MNAME) | ns5.chosting.dk |
| Responsible (RNAME) | logs@chosting.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | FIONIA IT ApS |
| Registered | 2015-08-10 |
| Expires | 2027-08-31 (317d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-23 18:49:24 | 828ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 14:04:54 shown | 1014ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-23 23:33:38 | 1119ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 22:21:45 | 2185ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 22:24:24 | 808ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 18:43:23 | 431ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 18:40:33 | 593ms | 3 NS 1 A 1 MX | 🔓 Insecure |