kosmopolitten.dk is a .dk domain served by 4 nameservers (ns1.amber.customwebhost.com, ns2.amber.customwebhost.com, ns3.amber.customwebhost.com and 1 more). It was registered on 2 April 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.104.105.135 is hosted by WIIT AG (AS24961) in Germany. Mail is handled by kosmopolitten.dk, cluster1.customwebhost.com and 1 more. 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 |
|---|---|---|---|---|---|---|---|
| 5.104.105.135 | 14400s | amber.customwebhost.com | AS24961 | WIIT AG | 5.104.104.0/21 | 🇩🇪 Germany | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 5.104.105.135 |
| 🔶 Autoconfig | 5.104.105.135 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2001:4ba0:92c1:52:0:ffff:568:6984 | 14400s | amber.customwebhost.com | AS24961 | WIIT AG | 2001:4ba0:0:0:0:0:0:0/31 | 🇩🇪 Germany | — |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | cpanelemaildiscovery.cpanel.net |
| TXT Record |
|---|
| v=spf1 +a +mx +ip4:213.202.213.238 +ip4:5.104.105.135 +ip4:213.202.213.236 +ip4:5.104.105.131 ~all |
| Policy | Record (kosmopolitten.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx +ip4:213.202.213.238 +ip4:5.104.105.135 +ip4:213.202.213.236 +ip4:5.104.105.131 ~all |
| www CNAME | kosmopolitten.dk (all on kosmopolitten.dk) |
| www vs bare domain | Same network kosmopolitten.dk: 5.104.105.135 2001:4ba0:92c1:52:0:ffff:568:6984 (AS24961) www.kosmopolitten.dk: 5.104.105.135 2001:4ba0:92c1:52:0:ffff:568:6984 (AS24961) |
| 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: 2/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.kosmopolitten.dk | aNl_j-A7Ervjb81Q6C0VpMeENm34RX9OU73mZ-AfInw |
| 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 | 2026082601 |
| Primary NS (MNAME) | ns1.amber.customwebhost.com |
| Responsible (RNAME) | admin@customwebhost.com |
| Refresh | 3600s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 10800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2017-04-02 |
| Expires | 2027-04-30 (187d) |
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 |
|---|---|---|---|
| 2026-10-03 07:36:34 | 780ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-29 22:17:37 | 1646ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-03 01:59:29 | 4950ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-26 12:54:56 shown | 6055ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-26 23:42:43 | 1088ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 17:57:01 | 1661ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 14:21:37 | 2373ms | 4 NS 1 A 3 MX | 🔓 Insecure |