alexander-sf.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 46.183.139.209 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 |
|---|---|---|---|---|---|---|---|
| 46.183.139.209 | 3600s | web9.gigahost.dk | 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 | alexander-sf.dk → 46.183.139.209 |
| 🔶 Autoconfig | alexander-sf.dk → 46.183.139.209 |
| 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 (alexander-sf.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.alexander-sf.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | alexander-sf.dk (all on alexander-sf.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.alexander-sf.dk | alexander-sf.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 | 2026092401 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@alexander-sf.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 04:24:37 | 1370ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 06:09:23 | 2496ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 03:49:31 | 525ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-25 06:41:07 shown | 734ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 16:46:18 | 900ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-19 02:18:14 | 760ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-11 23:44:21 | 1026ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-07 02:35:01 | 1255ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-28 10:42:54 | 9610ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 22:16:09 | 894ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-21 01:14:42 | 1272ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-14 06:29:05 | 4077ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-09 04:53:06 | 17479ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-30 16:07:22 | 9821ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 05:08:45 | 1453ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-17 01:40:50 | 1188ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-10 17:11:32 | 1556ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 00:18:35 | 868ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-27 20:07:18 | 2023ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 06:55:00 | 2305ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-18 08:35:31 | 748ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 12:42:00 | 769ms | 5 NS 1 A 3 MX | 🔓 Insecure |