studentibyen.dk is a .dk domain served by 3 nameservers (ns05.sac-it.dk, ns06.sac-it.dk, ns06us.sac-it.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.116.232.219 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, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns05.sac-it.dk | 85.235.255.134 | — | AS3308 Norlys Telco A/S |
| ns06.sac-it.dk | 128.76.60.134 | — | AS3292 TDC Holding A/S |
| ns06us.sac-it.dk | 72.29.91.87 | 72-29-91-87.static.hostdime.com | AS33182 HostDime.com, Inc. |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 217.116.232.219 | 3600s | web19.gigahost.dk | AS47292 | Sentia Denmark A/S | 217.116.224.0/20 | 🇩🇰 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 | studentibyen.dk → 217.116.232.219 |
| 🔶 Autoconfig | studentibyen.dk → 217.116.232.219 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| www CNAME | studentibyen.dk (all on studentibyen.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.studentibyen.dk | studentibyen.dk |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2021022504 |
| Primary NS (MNAME) | ns05.sac-it.dk |
| Responsible (RNAME) | hostmaster@studentibyen.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 03:42:09 shown | 503ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-30 03:57:51 | 1777ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-23 23:55:39 | 2465ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-16 03:49:19 | 691ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-10 11:49:59 | 961ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 23:39:08 | 679ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 07:52:42 | 3850ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 12:13:24 | 1333ms | 3 NS 1 A 3 MX | 🔓 Insecure |