masterclasscph.dk is a .dk domain served by 2 nameservers (ns1.fhns.ro, ns2.fhns.ro). It was registered on 5 June 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 88.80.135.159 is hosted by Promo Plus SRL (AS215362) in Romania. Mail is handled by masterclasscph.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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.fhns.ro | 88.80.135.159 | fhns.ro | AS215362 Promo Plus SRL |
| ns2.fhns.ro | 88.80.135.159 | fhns.ro | AS215362 Promo Plus SRL |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 88.80.135.159 | 14398s | fhns.ro | AS215362 | Promo Plus SRL | 88.80.135.0/24 | 🇷🇴 Romania | Bucharest |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 14400s | masterclasscph.dk | 88.80.135.159 | fhns.ro | AS215362 Promo Plus SRL |
| Policy | Record (_dmarc.masterclasscph.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | masterclasscph.dk (all on masterclasscph.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.
| 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 | 2026061900 |
| Primary NS (MNAME) | ns1.fhns.ro |
| Responsible (RNAME) | mastercl@fhns.ro |
| Refresh | 86400s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | NETIM |
| Registered | 2026-06-05 |
| Expires | 2027-06-04 (227d) |
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 |
|---|---|
| blacksilva.dk | NETIM |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-20 01:44:32 | 4241ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-11 13:29:24 | 1303ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-09 12:37:35 | 1802ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 23:42:31 | 1379ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-20 08:26:17 | 1764ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-14 19:52:50 | 2527ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-07 16:51:17 | 3490ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-31 06:22:18 | 1838ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-30 02:09:29 | 2817ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 16:42:02 | 14473ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-18 18:31:55 | 4500ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-11 22:39:37 | 2389ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-09 16:37:47 | 2418ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-30 21:17:43 | 17111ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-15 10:27:27 | 1548ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-04 14:37:20 | 1774ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-03 11:27:37 | 3007ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-01 06:53:22 | 4138ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 17:14:07 shown | 15540ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 06:03:45 | 1210ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 13:56:25 | 1736ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 10:18:32 | 1728ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 13:07:33 | 4117ms | 2 NS 1 A 1 MX | 🔓 Insecure |