kostoulas.dk is a .dk domain served by 2 nameservers (pranab.ns.cloudflare.com, sneh.ns.cloudflare.com). It was registered on 23 December 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.72.20.1 is hosted by Cibicom A/S (AS3342) in Denmark. Mail is handled by mail.kostoulas.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 |
|---|---|---|---|---|---|---|---|
| 178.72.20.1 | 300s | naserver.reinhold.dk | AS3342 | Cibicom A/S | 178.72.16.0/21 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.kostoulas.dk | 178.72.20.1 | naserver.reinhold.dk | AS3342 Cibicom A/S |
| TXT Record |
|---|
| v=spf1 mx ~all |
| Policy | Record (kostoulas.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx ~all |
| www CNAME | naserver.reinhold.dk (all on reinhold.dk) → 178.72.20.1 (AS3342) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA · ~4096 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: 1/10 · policy: ~all
No problems found| 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 | 2406396913 |
| Primary NS (MNAME) | pranab.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2024-12-23 |
| Expires | 2029-12-22 (1154d) |
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 |
|---|---|---|---|
| 2026-10-04 23:56:38 | 644ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 23:35:06 | 711ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 16:15:51 | 712ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 16:03:13 | 1380ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-07 08:15:18 | 9943ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-29 05:26:18 shown | 993ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 06:03:44 | 803ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 16:19:11 | 951ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 13:06:41 | 637ms | 2 NS 1 A 1 MX | 🔓 Insecure |