klassisk4.dk is a .dk domain served by 2 nameservers (dns3301.playunix.com.br, dns3302.playunix.com.br). It was registered on 1 May 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 177.53.143.206 is hosted by Brasil Site Informatica LTDA (AS53243) in Brazil. Mail is handled by klassisk4.dk. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 177.53.143.206 | 14400s | shared-c-q-t-duz-seis.playunix.com.br | AS53243 | Brasil Site Informatica LTDA | 177.53.140.0/22 | 🇧🇷 Brazil | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 14400s | klassisk4.dk | 177.53.143.206 | shared-c-q-t-duz-seis.playunix.com.br | AS53243 Brasil Site Informatica LTDA |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 177.53.143.206 |
| 🔶 Autoconfig | 177.53.143.206 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | cpanelemaildiscovery.cpanel.net |
| TXT Record |
|---|
| v=spf1 ip4:177.53.143.206 ip4:177.11.52.145 ip4:177.53.143.35 ip4:177.53.143.206 +a +mx +ip4:177.53.143.0/24 ip4:177.11.52.0/24 ~all |
| Policy | Record (klassisk4.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:177.53.143.206 ip4:177.11.52.145 ip4:177.53.143.35 ip4:177.53.143.206 +a +mx +ip4:177.53.143.0/24 ip4:177.11.52.0/24 ~all |
| www CNAME | klassisk4.dk (all on klassisk4.dk) |
| www vs bare domain | Same network |
| 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.klassisk4.dk | tDMXVggy-CYFEh9vx75xK4tl885lc70WiyeY3fp2O1g |
| 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 | 2026072401 |
| Primary NS (MNAME) | dns3301.playunix.com.br |
| Responsible (RNAME) | root@brs33.playunix.com.br |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2022-05-01 |
| Expires | 2028-04-30 (561d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 14:29:54 | 5540ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 04:06:42 | 5415ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 14:50:13 | 3763ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-03 08:03:58 shown | 13095ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 20:09:59 | 13145ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-25 12:06:58 | 6728ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 14:30:28 | 4446ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 06:44:00 | 6221ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 13:59:50 | 5383ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 01:08:39 | 9545ms | 2 NS 1 A 1 MX | 🔓 Insecure |