jrholding.dk is a .dk domain served by 2 nameservers (amber.ns.cloudflare.com, roan.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.84.238 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by jrholding-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.84.238 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.198.227 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::6815:54ee | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:c6e3 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.84.238,172.67.198.227 ech=AEX+DQBBEAAgACC8Pj+HmS7QtM01/LLssahZYzqLh8LsFmJGbrIfNQl+EQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:54ee,2606:4700:3035::ac43:c6e3 |
| TXT Record |
|---|
| MS=ms46613224 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (jrholding.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | 104.21.84.238 172.67.198.227 2606:4700:3035::6815:54ee 2606:4700:3035::ac43:c6e3 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network jrholding.dk: 104.21.84.238 172.67.198.227 2606:4700:3035::6815:54ee 2606:4700:3035::ac43:c6e3 (AS13335) www.jrholding.dk: 104.21.84.238 172.67.198.227 2606:4700:3035::6815:54ee 2606:4700:3035::ac43:c6e3 (AS13335) |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.jrholding.dk | bkLo_FE5WiNIkS9gXKZBUahgePhpD9ES7Rtsx8Sssvo |
| TXT | _acme-challenge.jrholding.dk | zHm58dXNB8pkMjU2Jz2_cAZuI5zVWkGZ8pFWs3w1YUk |
| 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 | 2418253923 |
| Primary NS (MNAME) | amber.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-24 13:15:41 shown | 486ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-02 16:03:35 | 1398ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-15 00:48:39 | 716ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 20:51:04 | 4504ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 18:52:43 | 1421ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 17:17:06 | 2076ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-22 14:36:57 | 1923ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-17 05:18:39 | 1469ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-15 20:27:53 | 4418ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-14 13:36:50 | 9347ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-13 08:16:47 | 4061ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-06 06:19:18 | 2410ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-29 16:46:59 | 1130ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-27 16:59:32 | 965ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 01:44:49 | 1779ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 06:31:40 | 5518ms | 2 NS 2 A 1 MX | 🔓 Insecure |