| 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 | CNAME / IP |
|---|---|
| 🔷 Autodiscover | den21april.dk → 46.183.138.100 |
| 🔶 Autoconfig | den21april.dk → 46.183.138.100 |
| 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 (den21april.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.den21april.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.den21april.dk | den21april.dk |
| 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 | 2026090301 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@den21april.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-09-05 07:20:37 | 720ms | 5 NS 1 A 3 MX | 🔓 Insecure | View |
| 2026-08-30 23:37:50 | 881ms | 5 NS 1 A 3 MX | 🔓 Insecure | View |
| 2026-08-27 02:39:52 | 1233ms | 5 NS 1 A 3 MX | 🔓 Insecure | View |
| 2026-08-20 09:41:47 | 9290ms | 5 NS 1 A 3 MX | 🔓 Insecure | View |
| 2026-08-14 00:29:33 | 9982ms | 5 NS 1 A 3 MX | 🔓 Insecure | View |
| 2026-08-07 11:48:15 | 9945ms | 5 NS 1 A 3 MX | 🔓 Insecure | View |
| 2026-08-02 18:58:00 | 8813ms | 5 NS 1 A 3 MX | 🔓 Insecure | View |
| 2026-07-23 02:11:38 | 8785ms | 5 NS 1 A 3 MX | 🔓 Insecure | View |
| 2026-07-17 10:55:50 | 1048ms | 5 NS 1 A 3 MX | 🔓 Insecure | View |
| 2026-07-09 04:54:48 | 10168ms | 5 NS 1 A 3 MX | 🔓 Insecure | View |
| 2026-07-03 13:50:04 | 3902ms | 5 NS 1 A 3 MX | 🔓 Insecure | View |
| 2026-06-26 20:43:05 | 867ms | 5 NS 1 A 3 MX | 🔓 Insecure | View |
| 2026-06-26 18:31:18 | 852ms | 5 NS 1 A 3 MX | 🔓 Insecure | View |
| 2026-06-22 09:03:26 | 1152ms | 5 NS 1 A 3 MX | 🔓 Insecure | View |
| 2026-06-21 04:26:30 | 1591ms | 5 NS 1 A 3 MX | 🔓 Insecure | View |
| 2026-06-17 01:46:22 | 621ms | 5 NS 1 A 3 MX | 🔓 Insecure | View |