retroclassics.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 30 May 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.240.18.34 is hosted by The Constant Company, LLC (AS20473) in Germany. Mail is handled by mail.retroclassics.dk. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 80.240.18.34 | 3600s | hes01.dsl-it.dk | AS20473 | The Constant Company, LLC | 80.240.16.0/20 | 🇩🇪 Germany | Frankfurt am Main |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.retroclassics.dk | 80.240.18.34 | hes01.dsl-it.dk | AS20473 The Constant Company, LLC |
| TXT Record |
|---|
| google-site-verification=GrcWfJbCzu0XgSMeDW_jZN_otSm_clOKtWuhjf4ZX0s |
| v=spf1 a mx ip4:80.240.18.34 -all |
| Policy | Record (retroclassics.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx ip4:80.240.18.34 -all |
| Policy | Record (_dmarc.retroclassics.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc@hes01.dsl-it.dk |
| www CNAME | retroclassics.dk (all on retroclassics.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | 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| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026082400 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2025-05-30 |
| Expires | 2027-05-29 (221d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 18:49:37 | 608ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-04 10:05:44 | 552ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 08:03:07 | 763ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-05 07:17:24 | 803ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 03:31:57 shown | 899ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 13:33:41 | 1646ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-19 06:14:10 | 29573ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-16 15:11:09 | 9060ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 00:54:51 | 835ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 22:54:48 | 1135ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 03:42:23 | 760ms | 3 NS 1 A 1 MX | 🔓 Insecure |