helium.dk is a .dk domain served by 2 nameservers (udns1.cscdns.net, udns2.cscdns.uk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.216.134.140 is hosted by Akamai International B.V. (AS20940) in Sweden. 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.
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (helium.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.helium.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;pct=100;rua=mailto:xrdv15em@ag.eu.dmarcian.com;ruf=mailto:xrdv15em@fr.eu.dmarcian.com |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com |
| 0 | issue | letsencrypt.org |
| 0 | issue | sectigo.com |
| www CNAME | aag4.linde.com.edgekey.net (all on edgekey.net) |
| 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 | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2019111108 |
| Primary NS (MNAME) | udns1.cscdns.net |
| Responsible (RNAME) | premiumdns@support.neustar |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1296000s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-24 14:05:15 shown | 620ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-12 03:01:28 | 730ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-27 04:17:54 | 749ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-22 11:55:34 | 572ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-21 07:11:01 | 959ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 11:17:27 | 729ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 11:13:16 | 610ms | 2 NS 2 A 0 MX | ⚠️ Bogus |