mcmc.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 13 August 2026 (WHOIS) and first appeared in the .dk zone on 14 August 2026. Its website address 162.159.143.30 is hosted by Cloudflare, Inc. (AS13335) in United States. Mail is handled by mx1.mailpod16-cph3.g1i.one.com, mx2.mailpod16-cph3.g1i.one.com and 2 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 162.159.143.30 | 3600s | — | AS13335 | Cloudflare, Inc. | 162.159.128.0/19 | 🇺🇸 United States | — |
| 172.66.3.26 | 3600s | — | AS13335 | Cloudflare, Inc. | 172.66.0.0/22 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.mailpod16-cph3.g1i.one.com | 5.249.232.33 | mx1.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.mailpod16-cph3.g1i.one.com | 5.249.232.34 | mx2.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.mailpod16-cph3.g1i.one.com | 5.249.232.35 | mx3.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.mailpod16-cph3.g1i.one.com | 5.249.232.36 | mx4.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| TXT Record |
|---|
| facebook-domain-verification=3dozd7elojkzlno8e195t1mw7z5um7 |
| google-site-verification=EXkRfn84gBrddXg7VrnA0DuNtJv0p8YDEnBOZg5o_3I |
| Policy | Record (_dmarc.mcmc.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www CNAME | custom-domains.chatgpt.site (all on chatgpt.site) |
| www vs bare domain | Same network mcmc.dk: 162.159.143.30 172.66.3.26 (AS13335) www.mcmc.dk: 104.18.22.186 104.18.23.186 2606:4700::6812:16ba 2606:4700::6812:17ba (AS13335) |
| 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.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101509 |
| 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 | 2026-08-13 |
| Expires | 2027-08-12 (297d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 16:27:32 shown | 486ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-10-07 02:37:34 | 1525ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-29 22:29:43 | 834ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 20:23:56 | 665ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-19 20:45:29 | 774ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-17 23:06:36 | 1349ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 15:18:48 | 490ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 06:11:15 | 3648ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-14 08:42:03 | 2532ms | 2 NS 1 A 1 MX | 🔒 Secure |