net-sec.dk is a .dk domain served by 2 nameservers (daphne.ns.cloudflare.com, earl.ns.cloudflare.com). It was registered on 29 May 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.16.4 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by netsec-dk0i.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 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 |
|---|---|---|---|---|---|---|---|
| 104.21.16.4 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.165.161 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:a5a1 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:1004 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.16.4,172.67.165.161 ech=AEX+DQBBhAAgACDJjiE+J3zG2l6F8wFAVlOI1gujZiCc42Cp8BAKeaoBHgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:a5a1,2606:4700:3035::6815:1004 |
| TXT Record |
|---|
| ca3-d11fecc72e6e4b16ad719992b70ac3fb |
| MS=ms53057721 |
| v=spf1 ip4:89.150.140.153 include:spf.protection.outlook.com -all |
| Policy | Record (net-sec.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:89.150.140.153 include:spf.protection.outlook.com -all |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve net-sec.dk: 104.21.16.4 172.67.165.161 2606:4700:3030::ac43:a5a1 2606:4700:3035::6815:1004 (AS13335) (all like this)www.net-sec.dk: no address |
| Wildcard | No |
DNS lookups: 1/10 · 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 | 2416032142 |
| Primary NS (MNAME) | daphne.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 | 2020-05-29 |
| Expires | 2028-05-31 (587d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 23:02:45 | 1696ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-06 03:34:24 | 1416ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-05 03:27:54 | 785ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 02:59:15 shown | 1592ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-28 18:42:07 | 2040ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-23 17:29:19 | 2029ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-05 23:14:41 | 2045ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-29 23:31:25 | 2917ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-24 06:00:13 | 1697ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-23 03:40:24 | 1822ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 11:42:09 | 2014ms | 2 NS 2 A 1 MX | 🔓 Insecure |