1kalender.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was registered on 14 January 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.20 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by 1kalender.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 |
|---|---|---|---|---|---|---|---|
| 178.20.216.20 | 3600s | server11.chosting.dk | AS21060 | Atea A/S | 178.20.216.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | 1kalender.dk | 178.20.216.20 2a01:7cc0:101:ffff::1:8 |
server11.chosting.dk — |
AS21060 Atea A/S AS21060 Atea A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 178.20.216.20 |
| 🔶 Autoconfig | 178.20.216.20 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:7cc0:101:ffff::1:8 | 86400s | — | 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 include:spf.chosting.dk include:spf.mandrillapp.com ?all |
| Policy | Record (1kalender.dk) |
|---|---|
| ?all (neutral) | v=spf1 include:spf.chosting.dk include:spf.mandrillapp.com ?all |
| Policy | Record (_dmarc.1kalender.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | letsencrypt.org |
| www CNAME | 1kalender.dk (all on 1kalender.dk) |
| www vs bare domain | Same network 1kalender.dk: 178.20.216.20 2a01:7cc0:101:ffff::1:8 (AS21060) www.1kalender.dk: 178.20.216.20 2a01:7cc0:101:ffff::1:8 (AS21060) |
| Wildcard | No |
DNS lookups: 4/10 · policy: ?all
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.1kalender.dk | kt7znQRizQN5OUnHztiLs2PdvZujHcUhOWahoNxC5b0 |
| 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 | 2026052600 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2015-01-14 |
| Expires | 2027-07-31 (287d) |
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).
| Domain | Registrar |
|---|---|
| lipinski.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 10:58:09 | 995ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 22:35:09 | 1465ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-26 15:33:38 | 1088ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 07:14:57 | 775ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 07:20:40 | 1169ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 10:35:35 shown | 2664ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 09:51:55 | 883ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 05:46:42 | 2202ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 12:47:37 | 2758ms | 3 NS 1 A 1 MX | 🔓 Insecure |