securitybydesign.dk is a .dk domain served by 2 nameservers (elma.ns.cloudflare.com, yevgen.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.72.19.133 is hosted by Cibicom A/S (AS3342) in Denmark. Mail is handled by mail.securitybydesign.dk. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 178.72.19.133 | 300s | mail.securitybydesign.dk | AS3342 | Cibicom A/S | 178.72.16.0/21 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.securitybydesign.dk | 178.72.19.133 | mail.securitybydesign.dk | AS3342 Cibicom A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 178.72.19.133 |
| 🔶 Autoconfig | 217.116.219.62 |
| TXT Record |
|---|
| v=DMARC1; p=none; sp=none; rf=afrf; pct=100; ri=86400 |
| v=spf1 a mx -all |
| Policy | Record (securitybydesign.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx -all |
| www | 217.116.219.62 (AS31027) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · 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 | 2417391992 |
| Primary NS (MNAME) | elma.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 10:30:16 shown | 1123ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-14 00:25:34 | 677ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 06:12:03 | 616ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 01:55:37 | 476ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 15:58:35 | 9418ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-12 02:22:14 | 1705ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-16 21:43:32 | 1187ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-01 04:40:25 | 1106ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 14:24:45 | 925ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 14:28:15 | 730ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 12:11:20 | 3144ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 12:01:55 | 1577ms | 2 NS 1 A 1 MX | ❓ Unknown |