erp4students.dk is a .dk domain served by 2 nameservers (ns.checkdomain.de, ns2.checkdomain.de). It was registered on 28 June 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 88.99.101.251 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mx2.erp4students.dk, mx3.erp4students.dk and 1 more. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 88.99.101.251 | 600s | redirect.checkdomain.de | AS24940 | Hetzner Online GmbH | 88.99.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.nicgate.com → 46.243.91.15 |
| 🔶 Autoconfig | autoconfig.checkdomain.de → 46.243.91.2 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:221:11cd:9734:4c26:6044:5f33 | 600s | redirect.checkdomain.de | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Falkenstein |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | autoconfig.nicgate.com |
| _imap._tcp | 0 | 1 | 143 | host78.checkdomain.de |
| www | Address record (no CNAME) |
| Wildcard | No |
| 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 | 2019100102 |
| Primary NS (MNAME) | ns.checkdomain.de |
| Responsible (RNAME) | hostmaster@checkdomain.de |
| Refresh | 40000s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | InterNetX GmbH |
| Registered | 2009-06-28 |
| Expires | 2027-06-30 (256d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-06-21 15:51:05 shown | 1148ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-19 19:37:33 | 3587ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 08:15:56 | 459ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 08:15:49 | 1126ms | 2 NS 1 A 3 MX | 🔓 Insecure |