u-system.tech - robtex.com
u-system.tech
| DNSSEC | ⚠️ Not signed | ||||||
| A | 37.9.3.36🇷🇺 SELECTEL-MSK37.9.0.0/22 Selectel Route Object | ||||||
| NS | ns1.mastername.ru ⭐ | ||||||
| A | 2a00:15f8:a000:33:1:1:1:53🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48 | ||||||
| PTR | ns1.mastername.ru | ||||||
| A | 90.156.136.115🇷🇺 MASTERHOST-AS90.156.128.0/20 | ||||||
| PTR | ns1.mastername.ru | ||||||
| NS | ns2.mastername.ru | ||||||
| A | 2a00:15f8:a000:34:1:1:1:53🇷🇺 MASTERHOST-AS2a00:15f8:a000::/48 | ||||||
| PTR | ns2.mastername.ru | ||||||
| A | 90.156.137.49🇷🇺 MASTERHOST-AS90.156.128.0/20 | ||||||
| PTR | ns2.mastername.ru | ||||||
| MX | mail.u-system.tech ⭐ | ||||||
| A | 62.122.171.203🇺🇸 SERVEREL-AS62.122.168.0/21 | ||||||
| PTR | 62.122.171.203.serverel.net | ||||||
| TXT | v=spf1 ip4:62.122.171.203 ~all | ||||||
| SOA | ns1.mastername.ruhostmaster@mastername.ru serial=1762931785 | ||||||
tech
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns01.trs-dns.com ⭐ | ||||||
| NS | ns.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| SOA | ns.trs-dns.comtrs-ops@tucows.com serial=1773774543 | ||||||
Subdomains
mail.u-system.tech |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.mastername.ru2026-03-22 → 2026-03-23 · 2 obs
● 2026-03-23 11:44:26
●NSns2.mastername.ru2026-03-22 → 2026-03-23 · 2 obs
● 2026-03-23 11:44:26
●MXmail.u-system.tech2026-03-22 → 2026-03-23 · 2 obs
● 2026-03-23 11:44:26
●A37.9.3.362026-03-22 → 2026-03-23 · 2 obs
● 2026-03-23 11:44:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tech | ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info | - |
| u-system.tech | ns1.mastername.ru, ns2.mastername.ru | - |
✅ Authoritative Response
Server:90.156.136.115
NS records: ns1.mastername.ru, ns2.mastername.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for u-system.tech (unsigned zone)
⏱️ Timing
Total: 1029ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.3.36 |
| NS | 2 | ns1.mastername.ru, ns2.mastername.ru |
| MX | 1 | mail.u-system.tech (pri: 10) |
| TXT | 1 | v=spf1 ip4:62.122.171.203 ~all |
| SOA | 1 | ns1.mastername.ru hostmaster.mastername. |
Analysis
Hierarchy
u-system.tech is parent of mail.u-system.tech.
IP Addresses
u-system.tech points to a single IP: 37.9.3.36.
Other host names such as ausgut.com and mnites.ru share IP numbers with u-system.tech.
Name Servers
u-system.tech's delegation is to two name servers ns1.mastername.ru and ns2.mastername.ru.
u-system.tech shares the same name server configuration as other domains, such as cybermaniac.ru, seobrain.ru, promecoufa.ru, xn----7sbbbjnxndzomhpuf5s.xn--p1ai and sethpc.ru.
u-system.tech shares name servers with other domains at least partially, for instance labirint.org, telesrv.ru and tgc2.ru.
Host names with two IP numbers: ns1.mastername.ru points to 2a00:15f8:a000:33:1:1:1:53 and 90.156.136.115; ns2.mastername.ru points to 2a00:15f8:a000:34:1:1:1:53 and 90.156.137.49
Mail Servers
u-system.tech is served by a single mail server, mail.u-system.tech.
mail.u-system.tech points to IP number 62.122.171.203.