kassero.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.230 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.mailpod15-cph3.g1i.one.com, mx2.mailpod15-cph3.g1i.one.com and 2 more. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.230 | 3600s | webcluster2.webpod18-cph3.g1i.one | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.mailpod15-cph3.g1i.one.com | 104.37.35.36 | mx1.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.mailpod15-cph3.g1i.one.com | 104.37.35.37 | mx2.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.mailpod15-cph3.g1i.one.com | 104.37.35.38 | mx3.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.mailpod15-cph3.g1i.one.com | 104.37.35.39 | mx4.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:108:8033:8791:241b:77e9 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| google-site-verification=DxGNnXUgHGZq9O7nysN2twmuMiJ3VTBAEfyY-aZ0XIY |
| Policy | Record (_dmarc.kassero.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www CNAME | base44.onrender.com (all on onrender.com) |
| www vs bare domain | Different networks kassero.dk: 46.30.215.230 2a02:2350:5:108:8033:8791:241b:77e9 (AS51468) (all like this)www.kassero.dk: 216.24.57.16 216.24.57.18 (AS397273) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026060301 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2026-05-22 |
| Expires | 2027-05-21 (209d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 13:18:53 | 873ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 01:04:35 | 1740ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-27 00:06:10 | 617ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 12:19:32 | 745ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-17 06:26:41 | 1298ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-29 20:02:11 | 1592ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-01 21:17:24 | 943ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-29 22:26:15 | 871ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-23 17:18:46 | 900ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-29 23:15:26 | 854ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-26 16:09:08 shown | 679ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 10:03:33 | 2763ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 22:33:49 | 1295ms | 2 NS 1 A 4 MX | 🔒 Secure |