stm32.dk is a .dk domain served by 3 nameservers (delta.dmz-ap.st.com, delta.dmz-eu.st.com, delta.dmz-us.st.com). It was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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.
| TXT Record |
|---|
| v=spf1 ip4:164.129.1.35 -all |
| Policy | Record (stm32.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:164.129.1.35 -all |
| Policy | Record (_dmarc.stm32.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; fo=1 |
| www CNAME | redirect.st.com (all on st.com) → 54.194.135.49 (AS16509) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
DNS lookups: 0/10 · 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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2018030117 |
| Primary NS (MNAME) | delta.dmz-eu.st.com |
| Responsible (RNAME) | root@stm32.dk |
| Refresh | 1200s |
| Retry | 300s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 18:22:53 | 4750ms | 3 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-27 12:27:00 shown | 13564ms | 3 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-26 01:52:13 | 7087ms | 3 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-18 09:26:57 | 23655ms | 3 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-03 05:39:47 | 20188ms | 3 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-28 05:39:24 | 30181ms | 3 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-25 08:29:38 | 30240ms | 3 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-24 15:44:03 | 10511ms | 3 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-17 19:36:40 | 2682ms | 3 NS 0 A 0 MX | 🔓 Insecure |