umaster54.ru - robtex.com
umaster54.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 155.212.174.121🇺🇸 RU-JSCIOT155.212.160.0/20 | ||||||
| PTR | zm-krs.ru | ||||||
| NS | zm-krs.ru ⭐ | ||||||
| A | 155.212.174.121🇺🇸 RU-JSCIOT155.212.160.0/20 | ||||||
| PTR | zm-krs.ru | ||||||
| NS | ns1.firstvds.ru | ||||||
| A | 2a01:230:2:74::3🇷🇺 RU-JSCIOT2a01:230:2::/48 | ||||||
| A | 82.146.43.2🇷🇺 RU-JSCIOT82.146.40.0/21 | ||||||
| PTR | ns1.firstvds.ru | ||||||
| NS | ns2.firstvds.ru | ||||||
| A | 2a01:230:2:75::3🇷🇺 RU-JSCIOT2a01:230:2::/48 | ||||||
| A | 94.250.248.160🇷🇺 RU-JSCIOT94.250.248.0/23 | ||||||
| PTR | ns2.firstvds.ru | ||||||
| MX | mail.umaster54.ru(20) | ||||||
| A | 155.212.174.121🇺🇸 RU-JSCIOT155.212.160.0/20 | ||||||
| PTR | zm-krs.ru | ||||||
| TXT | v=spf1 ip4:155.212.174.121 a mx ~all | ||||||
| SOA | zm-krs.ruinfo@venners.ru 2025-12-25 #13 | ||||||
ru
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=4068866 | ||||||
Subdomains
mail.umaster54.ru |
Same first word
umaster54.ru |
DNS History
7 records (5 active, 2 former)
●NSns1.firstvds.ru2020-02-08 → 2026-05-14 · 2 obs
● 2026-05-14 03:11:00
●NSns2.firstvds.ru2020-02-08 → 2026-05-14 · 2 obs
● 2026-05-14 03:11:00
○NSotdelochnik70.ru2020-02-08 → 2020-02-08 · 3 obs
○ 2026-02-17 06:16:34
○ 2026-05-14 03:11:00
●NSzm-krs.ru2026-02-17 → 2026-05-14 · 3 obs
● 2026-02-17 06:16:34
● 2026-05-14 03:11:00
●MXmail.umaster54.ru2020-02-08 → 2026-05-14 · 2 obs
● 2026-05-14 03:11:00
●A155.212.174.1212026-02-17 → 2026-05-14 · 3 obs
● 2026-02-17 06:16:34
● 2026-05-14 03:11:00
○A80.87.192.262020-02-08 → 2020-02-08 · 3 obs
○ 2026-02-17 06:16:34
○ 2026-05-14 03:11:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | f.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net... | - |
| umaster54.ru | ns2.firstvds.ru, ns1.firstvds.ru | 2 records |
✅ Authoritative Response
Server:94.250.248.160
NS records: ns2.firstvds.ru, ns1.firstvds.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for umaster54.ru (unsigned zone)
⏱️ Timing
Total: 685ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 155.212.174.121 |
| NS | 2 | ns1.firstvds.ru, ns2.firstvds.ru |
| MX | 2 | mail.umaster54.ru (pri: 20), mail.umaster54.ru (pri: 10) |
| TXT | 1 | v=spf1 ip4:155.212.174.121 a mx ~all |
| SOA | 1 | zm-krs.ru info.venners.ru |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.firstvds.ru, ns1.firstvds.ru)
Analysis
Hierarchy
mail.umaster54.ru has umaster54.ru as its parent.
IP Addresses
umaster54.ru maps to IP address 155.212.174.121.
Other host names, for instance um-samara.ru, mail.potolki-tom.ru, vintbur.ru, mail.umaster54.ru and um-krasnodar.ru share IP numbers with umaster54.ru.
Name Servers
umaster54.ru is delegated to name servers zm-krs.ru, ns1.firstvds.ru and ns2.firstvds.ru.
umaster54.ru at least partially shares name servers with other domains such as testwp.ru, greenballopt.fvds.ru, sanvolna.com, le-po-ta.ru and melsmon.ru.
These name servers are commonly used alongside firstvds.ru, ns1.example.com, ns2.example.com, dommainer151025.ru, ns1.fasthostvds.com, ns2.fasthostvds.com and intai.ru.
Host names with two IP numbers:
ns1.firstvds.ru points to 2a01:230:2:74::3 and 82.146.43.2; ns2.firstvds.ru points to 2a01:230:2:75::3 and 94.250.248.160.
Host names with one IP number:
zm-krs.ru points to 155.212.174.121.
Mail Servers
umaster54.ru is handled by a single mail server, mail.umaster54.ru.
mail.umaster54.ru points to one IP number: 155.212.174.121.