deadcode.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.190 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by deadcode.dk. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 185.21.41.190 | 1000s | demandmedia.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | deadcode.dk | 185.21.41.190 | demandmedia.dk | AS48854 team.blue Denmark A/S |
| TXT Record |
|---|
| v=spf1 a mx a:mailsender.zeltek.dk a:mailsender3.zeltek.dk a:demandmedia.dk ip4:185.21.41.212 a:mailsender4.zeltek.dk ip4:77.243.132.10 ip4:185.21.41.189 ip4:185.21.41.190 ip4:185.21.41.191 ip4:185.21.41.192 ip4:185.21.41.193 a:pi.deadcode.dk ~all |
| Policy | Record (deadcode.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx a:mailsender.zeltek.dk a:mailsender3.zeltek.dk a:demandmedia.dk ip4:185.21.41.212 a:mailsender4.zeltek.dk ip4:77.243.132.10 ip4:185.21.41.189 ip4:185.21.41.190 ip4:185.21.41.191 ip4:185.21.41.192 ip4:185.21.41.193 a:pi.deadcode.dk ~all |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 7/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101201 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 07:05:56 shown | 950ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 11:44:49 | 668ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 19:44:58 | 509ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 19:38:00 | 668ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 07:27:22 | 598ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-18 02:42:27 | 694ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-15 17:30:53 | 1601ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 23:51:18 | 16046ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-25 06:55:59 | 734ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 01:59:29 | 924ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 22:46:33 | 1187ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 01:31:19 | 418ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-17 01:20:28 | 469ms | 2 NS 1 A 1 MX | 🔒 Secure |