mail.usj.hr - robtex.com
mail.usj.hr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 213.186.16.204🇭🇷 Omonia213.186.16.0/23 OMONIA DOO | ||||||
| PTR | post.institut.hr | ||||||
| MX | mail.usj.hr ⭐ | ||||||
| A | 213.186.16.204🇭🇷 Omonia213.186.16.0/23 OMONIA DOO | ||||||
| PTR | post.institut.hr | ||||||
| MX | post.institut.hr ⭐ | ||||||
| A | 213.186.16.204🇭🇷 Omonia213.186.16.0/23 OMONIA DOO | ||||||
| PTR | post.institut.hr | ||||||
usj.hr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 213.186.16.203🇭🇷 Omonia213.186.16.0/23 OMONIA DOO | ||||||
| NS | ns1.institut.hr ⭐ | ||||||
| NS | ns2.institut.hr | ||||||
| MX | post.institut.hr ⭐ | ||||||
| MX | mail.usj.hr(10) | ||||||
| TXT | v=spf1 a mx ip4:213.186.16.203 ip4:213.186.16.204 include:post.institut.hr in... | ||||||
| SOA | ns1.institut.hrinfo@institut.hr serial=20240606 | ||||||
MX for
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●MXmail.usj.hr2026-03-17 → 2026-05-09 · 2 obs
● 2026-05-09 13:36:52
●MXpost.institut.hr2026-03-17 → 2026-05-09 · 2 obs
● 2026-05-09 13:36:52
●A213.186.16.2042026-03-17 → 2026-05-09 · 2 obs
● 2026-05-09 13:36:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| hr | n.dns.hr, pch.carnet.hr, hr-ns-1.carnet.hr | 6 records |
| usj.hr | ns1.institut.hr, ns2.institut.hr | 2 records |
✅ Authoritative Response
Server:213.186.16.204
NS records: ns1.institut.hr, ns2.institut.hr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usj.hr (unsigned zone)
⏱️ Timing
Total: 758ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.186.16.204 |
| MX | 2 | post.institut.hr (pri: 10), mail.usj.hr (pri: 10) |
📌 Glue Records Collected
Total: 8
In-bailiwick: 6 (n.dns.hr, n.dns.hr, pch.carnet.hr...)
Out-of-bailiwick: 2 (ns1.institut.hr, ns2.institut.hr)
Analysis
Mail Server Role
mail.usj.hr serves as the mail server for usj.hr and mail.usj.hr.
Together with mail.usj.hr, post.institut.hr is commonly used as a mail server.
IP Addresses
mail.usj.hr resolves to a single IP: 213.186.16.204.
Other host names, for instance post.primjena.com, ns2.institut.hr, mail.nsf-journal.hr, post.institut.hr and mail.zagrebsecurityforum.com share IP numbers with mail.usj.hr.
Mail Servers
mail.usj.hr is handled by two mail servers: post.institut.hr and mail.usj.hr.
mail.usj.hr uses the same mail server setup as other domains, for example usj.hr.
mail.usj.hr shares some mail servers with other domains, at least partially; for instance zagrebsecurityforum.com, primjena.com, mail.nsf-journal.hr, post.institut.hr and nsf-journal.hr.
Host names with one IP number:
post.institut.hr points to: 213.186.16.204
mail.usj.hr points to: 213.186.16.204
Names pointing to 213.186.16.204: post.institut.hr and mail.usj.hr