ref003.ru - robtex.com
ref003.ru
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 195.151.239.53🇷🇺 ROSPRINT-AS195.151.0.0/16 RU-ROSPRINT BLOCK | ||||||
| NS | ns.ref003.ru ⭐ | ||||||
| A | 195.151.239.53🇷🇺 ROSPRINT-AS195.151.0.0/16 RU-ROSPRINT BLOCK | ||||||
| NS | ns4-l2.nic.ru | ||||||
| A | 91.217.20.20🇷🇺 RU-CENTER91.217.20.0/24 | ||||||
| PTR | ns4-l2.nic.ru | ||||||
| NS | ns8-l2.nic.ru | ||||||
| A | 91.217.21.20🇷🇺 RU-CENTER-AS91.217.21.0/24 RU-CENTER | ||||||
| PTR | ns8-l2.nic.ru | ||||||
| MX | mail.ref003.ru ⭐ | ||||||
| A | 195.151.239.53🇷🇺 ROSPRINT-AS195.151.0.0/16 RU-ROSPRINT BLOCK | ||||||
| TXT | v=spf1 a a:mail.ref003.ru -all | ||||||
| SOA | ns.ref003.rupostmaster@ref003.ru 2022-06-25 #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=4068300 | ||||||
Subdomains
Same first word
ref003.ru |
DNS History
8 records (5 active, 3 former)
●NSns.ref003.ru2015-08-25 → 2026-03-28 · 2 obs
● 2026-03-28 00:08:54
○NSns4-cloud.nic.ru2015-08-25 → 2016-12-01 · 4 obs
● 2016-12-01 12:12:38
○ 2026-02-20 11:55:50
○ 2026-03-28 00:08:54
○NSns8-cloud.nic.ru2015-08-25 → 2016-12-01 · 4 obs
● 2016-12-01 12:12:38
○ 2026-02-20 11:55:50
○ 2026-03-28 00:08:54
●MXmail.ref003.ru2015-08-25 → 2026-03-28 · 2 obs
● 2026-03-28 00:08:54
○A194.84.101.1822015-08-25 → 2015-12-20 · 4 obs
● 2015-12-20 00:14:32
○ 2016-01-03 15:01:52
○ 2026-03-28 00:08:54
●A195.151.239.532016-01-03 → 2026-03-28 · 3 obs
● 2016-01-03 15:01:52
● 2026-03-28 00:08:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| ref003.ru | ns4-l2.nic.ru, ns.ref003.ru, ns8-l2.nic.ru | 3 records |
✅ Authoritative Response
Server:91.217.21.20
NS records: ns4-l2.nic.ru, ns.ref003.ru, ns8-l2.nic.ru
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1772ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 195.151.239.53 |
| NS | 3 | ns.ref003.ru, ns4-l2.nic.ru... |
| MX | 1 | mail.ref003.ru (pri: 10) |
| TXT | 1 | v=spf1 a a:mail.ref003.ru -all |
| SOA | 1 | ns.ref003.ru postmaster.ref003.ru |
📌 Glue Records Collected
Total: 3
In-bailiwick: 1 (ns.ref003.ru)
Out-of-bailiwick: 2 (ns8-l2.nic.ru, ns4-l2.nic.ru)
Analysis
Hierarchy
ref003.ru has children mail.ref003.ru, www.ref003.ru and ns.ref003.ru.
IP Addresses
ref003.ru resolves to a single IP: 195.151.239.53.
Other host names including mail.ref003.ru, www.ref003.ru and ns.ref003.ru share IP numbers with ref003.ru.
Name Servers
ref003.ru delegates to three name servers: ns4-l2.nic.ru, ns8-l2.nic.ru and ns.ref003.ru.
ref003.ru shares some name servers with other domains, for example transcom-russia.com, zoomzoom.ru, jjpro.ru, m-cl.ru and stomax.net.
These name servers are commonly used alongside ns4-cloud.nic.ru, ns8-cloud.nic.ru, ns3-l2.nic.ru and ns3.nic.ru.
Host names with a single IP: ns4-l2.nic.ru points to 91.217.20.20; ns8-l2.nic.ru points to 91.217.21.20; ns.ref003.ru points to 195.151.239.53.
Mail Servers
ref003.ru is handled by a single mail server, mail.ref003.ru.
Host name mail.ref003.ru points to IP 195.151.239.53.