sre.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 2 January 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.139.216 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 |
|---|---|---|---|---|---|---|---|
| 46.183.139.216 | 3600s | web16.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 | 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 (sre.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.sre.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | sre.dk (all on sre.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 | 2026080601 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@sre.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2016-01-02 |
| Expires | 2028-01-31 (470d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 02:42:35 | 1245ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 14:49:41 | 4750ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-03 11:46:52 | 595ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-02 00:58:42 | 755ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 23:35:21 | 654ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-21 01:48:00 | 9577ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-19 23:48:53 | 892ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-14 16:11:45 | 1209ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-06 05:11:10 | 2508ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-03 17:37:11 | 9510ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 11:28:15 | 906ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 07:44:27 | 9253ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-13 09:38:56 | 1142ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-06 10:01:00 shown | 1172ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-01 10:22:06 | 1292ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 05:17:13 | 8916ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 21:51:03 | 8956ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-15 16:11:03 | 2645ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 16:11:34 | 2692ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-26 03:24:01 | 927ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-18 17:23:30 | 2743ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-18 00:24:03 | 913ms | 5 NS 1 A 3 MX | 🔓 Insecure |