jonasalbertsen.dk is a .dk domain served by 2 nameservers (asa.ns.cloudflare.com, brett.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 2.105.2.200 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 2.105.2.200 | 300s | 2-105-2-200-cable.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 2.104.0.0/14 | 🇩🇰 Denmark | Herning |
| TXT Record |
|---|
| apple-domain=gtf6RRsuWaLyBJkx |
| v=spf1 include:icloud.com ~all |
| Policy | Record (jonasalbertsen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:icloud.com ~all |
| Policy | Record (_dmarc.jonasalbertsen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 2.105.2.200 (AS3292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 5/10 · policy: ~all
No problems found| 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 | 2415081192 |
| Primary NS (MNAME) | asa.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 12:30:26 shown | 631ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-21 23:17:49 | 1725ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-15 09:45:10 | 1135ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-26 16:17:42 | 899ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 13:53:33 | 690ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-20 13:31:49 | 8410ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-11 07:36:56 | 6614ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-12 21:19:18 | 3393ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-30 16:07:41 | 760ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 05:33:03 | 3514ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 02:06:11 | 976ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 00:20:03 | 3713ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 00:07:28 | 3753ms | 2 NS 1 A 1 MX | 🔒 Secure |