sjøholmmc.dk is a .dk domain served by 2 nameservers (amber.ns.cloudflare.com, roan.ns.cloudflare.com). It was registered on 3 January 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.7.157 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.xn--sjholmmc-64a.dk, backup-mx.newangle.dk. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.7.157 | — | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.130.86 | — | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mail.xn--sjholmmc-64a.dk | 95.154.59.25 | mail1.newangle.dk | AS39642 Sinal A/S |
| 20 | — | backup-mx.newangle.dk | — | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:79d | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::ac43:8256 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.7.157,172.67.130.86 ech=AEX+DQBBEQAgACDI4xqwwmAc0aVdhaScxMRTfCZo1/vM6WMg5h+quY5QUgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:79d,2606:4700:3031::ac43:8256 |
| www | 104.21.7.157 172.67.130.86 2606:4700:3035::ac43:8256 2606:4700:3037::6815:79d (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network sjøholmmc.dk: 104.21.7.157 172.67.130.86 2606:4700:3035::ac43:8256 2606:4700:3037::6815:79d (AS13335) www.sjøholmmc.dk: 104.21.7.157 172.67.130.86 2606:4700:3035::ac43:8256 2606:4700:3037::6815:79d (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 2404848274 |
| Primary NS (MNAME) | amber.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 | 2007-01-03 |
| Expires | 2027-01-31 (97d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 00:35:56 | 691ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-23 22:25:33 | 580ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-16 17:47:24 | 936ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-01 04:58:35 | 1155ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-28 09:04:19 | 1804ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-21 01:55:23 | 1096ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-20 00:26:06 | 1062ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 12:06:09 shown | 1538ms | 2 NS 2 A 2 MX | 🔒 Secure |