30a.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.138.100 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.183.138.100 | 3600s | — | AS47292 | Sentia Denmark A/S | 46.183.138.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| TXT Record |
|---|
| spf2.0/pra |
| v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (30a.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.30a.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | 30a.dk (all on 30a.dk) |
| www vs bare domain | Same network |
| 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 | 2026082701 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@30a.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 06:32:40 | 1537ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 12:29:41 | 907ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 08:29:00 | 919ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 07:02:16 | 1763ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-23 06:38:04 | 810ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-20 04:50:08 | 913ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-06 02:15:12 | 830ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 20:30:59 shown | 687ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-26 20:14:58 | 9759ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 09:03:01 | 3182ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-13 23:27:00 | 9975ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-07 14:51:47 | 1030ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-03 05:51:12 | 9057ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 21:31:21 | 1162ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 11:02:13 | 2729ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-11 19:53:39 | 1300ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 19:33:40 | 1221ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-01 21:05:03 | 982ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-22 16:20:55 | 1478ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-22 05:18:19 | 1132ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 17:35:58 | 3203ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-18 09:22:18 | 2975ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 12:39:35 | 868ms | 5 NS 1 A 3 MX | 🔓 Insecure |