holgersverden.dk is a .dk domain served by 2 nameservers (kira.ns.cloudflare.com, mustafa.ns.cloudflare.com). It was registered on 26 January 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.2.3 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.privateemail.com, mx2.privateemail.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.2.3 | 600s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.128.114 | 600s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mx1.privateemail.com | 162.255.118.7 | mx1.privateemail.com | AS22612 Namecheap, Inc. |
| 10 | 600s | mx2.privateemail.com | 162.255.118.8 | mx2.privateemail.com | AS22612 Namecheap, Inc. |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:203 | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:8072 | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.2.3,172.67.128.114 ech=AEX+DQBBTwAgACDY1d6uk2lom9OzZNGDQrENlQ8F8/qr4fAVPy9RfUR4cwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:203,2606:4700:3035::ac43:8072 |
| Policy | Record (_dmarc.holgersverden.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve holgersverden.dk: 104.21.2.3 172.67.128.114 2606:4700:3033::6815:203 2606:4700:3033::ac43:8072 (AS13335) (all like this)www.holgersverden.dk: no address |
| 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 | 2406583291 |
| Primary NS (MNAME) | kira.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2026-01-26 |
| Expires | 2027-01-25 (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 |
|---|---|---|---|
| 2026-10-17 00:38:55 | 627ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-07 10:50:51 | 1469ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-30 08:27:07 | 466ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-03 14:13:25 | 1335ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-17 09:29:09 | 2974ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-10 23:53:35 | 1632ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-21 19:13:56 shown | 661ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 13:40:43 | 3334ms | 2 NS 2 A 2 MX | 🔓 Insecure |