jt-computer.at - robtex.com
jt-computer.at
at
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns.nic.at ⭐ | ||||||
| NS | d.ns.at 🔒 | ||||||
| NS | j.ns.at 🔒 | ||||||
| NS | n.ns.at 🔒 | ||||||
| NS | ns1.univie.ac.at | ||||||
| NS | ns2.univie.ac.at | ||||||
| NS | r.ns.at 🔒 | ||||||
| NS | u.ns.at 🔒 | ||||||
| SOA | dns.nic.atdomain-admin@univie.ac.at serial=1771290002 | ||||||
Subdomains
mail.jt-computer.at |
Same first word
jt-computer.at |
DNS History
9 records (4 active, 5 former)
●NSdns1.a1.net2026-03-20 → 2026-03-21 · 3 obs
● 2026-03-20 06:50:18
● 2026-03-21 15:33:52
○NSdns1.jt-computer2016-11-27 → 2016-11-27 · 4 obs
● 2016-11-27 07:34:28
○ 2026-03-20 06:50:18
○ 2026-03-21 15:33:52
○NSdns1.jt-computer.at2015-05-31 → 2016-11-27 · 4 obs
● 2016-11-27 07:34:28
○ 2026-03-20 06:50:18
○ 2026-03-21 15:33:52
●NSdns2.a1.net2026-03-20 → 2026-03-21 · 3 obs
● 2026-03-20 06:50:18
● 2026-03-21 15:33:52
●NSdns3.a1.net2026-03-20 → 2026-03-21 · 3 obs
● 2026-03-20 06:50:18
● 2026-03-21 15:33:52
○NSdns4.telekom.at2015-05-31 → 2016-11-27 · 4 obs
● 2016-11-27 07:34:28
○ 2026-03-20 06:50:18
○ 2026-03-21 15:33:52
○NSdns5.telekom.at2015-05-31 → 2016-11-27 · 4 obs
● 2016-11-27 07:34:28
○ 2026-03-20 06:50:18
○ 2026-03-21 15:33:52
●MXjtcomputer-at0e.mail.protection.outlook.com2026-03-20 → 2026-03-21 · 3 obs
● 2026-03-20 06:50:18
● 2026-03-21 15:33:52
○MXmail.jt-computer.at2015-05-31 → 2016-11-27 · 4 obs
● 2016-11-27 07:34:28
○ 2026-03-20 06:50:18
○ 2026-03-21 15:33:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | d.ns.at, j.ns.at, n.ns.at, r.ns.at... | - |
| jt-computer.at | dns1.a1.net, dns2.a1.net, dns3.a1.net | - |
✅ Authoritative Response
Server: 80.120.17.26
NS records: dns1.a1.net, dns2.a1.net, dns3.a1.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jt-computer.at (unsigned zone)
⏱️ Timing
Total: 2114ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | dns2.a1.net, dns3.a1.net... |
| MX | 1 | jtcomputer-at0e.mail.protection.outlook. |
| TXT | 3 | MS=EF1C8B4B818367CDA1E94B34FE8D4D4659D5D, gS25hnAugsfkgUmQOVTCNktuTz6krO/wWCe5mZoJ... |
| SOA | 1 | dns1.a1.net domainadmin.a1.net |
Analysis
Hierarchy
The parent of mail.jt-computer.at is jt-computer.at.
Name Servers
jt-computer.at is delegated to three name servers: dns1.a1.net, dns2.a1.net and dns3.a1.net.
jt-computer.at partially shares name servers with other domains; examples include allesboden.at, malekherbst.com, berger-logistik.com, kaerntnerland-gbv.at and richter-pharma.at.
Host names with four IP numbers:
dns2.a1.net points to: 2001:67c:1bc::105, 2001:850:3010:101:213:33:99:79, 192.174.68.105 and 213.33.99.79.
Host names with two IP numbers:
dns1.a1.net points to: 2001:850:3030:31:80:120:17:26 and 80.120.17.26.
dns3.a1.net points to: 2001:67c:10b8::105 and 176.97.158.105.
Mail Servers
jt-computer.at is handled by a single mail server, jtcomputer-at0e.mail.protection.outlook.com.
Hostname jtcomputer-at0e.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::4, 2a01:111:f403:ca04::e, 2a01:111:f403:ca09::3, 2a01:111:f403:ca09::d, 52.101.68.15, 52.101.68.21, 52.101.68.32 and 52.101.73.11.