r-optics.com - robtex.com
r-optics.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 193.34.9.157🇷🇺 RYAZAN-AS193.34.8.0/22 JSC "ER-Telecom Holding" Ryazan' branch Ryazan', Russia | ||||||
| PTR | rumex.net | ||||||
| NS | ns2.rumex.ru ⭐ | ||||||
| A | 195.110.47.133🇷🇺 RYAZAN-AS195.110.46.0/23 JSC "ER-Telecom Holding" Ryazan' branch Ryazan', Russia | ||||||
| PTR | mailrzn.rumex.ru | ||||||
| PTR | tm.rumex.ru | ||||||
| PTR | 195x110x47x133.static-business.ryazan.ertelecom.ru | ||||||
| NS | ns.rumex.ru | ||||||
| A | 194.58.79.185🇷🇺 ASN-AVANTEL-MSK194.58.79.0/24 | ||||||
| MX | mxs.activeby.net ⭐ | ||||||
| A | 178.159.242.40🇧🇾 BELPAK-AS178.159.240.0/21 BY-ACTIVECLOUD | ||||||
| PTR | mx3.activeby.net | ||||||
| A | 178.159.250.30🇷🇺 ACTIVEHOST-RU-AS178.159.250.0/24 Activehost RU LLC | ||||||
| PTR | mx1.activeby.net | ||||||
| TXT | v=spf1 include:spfmseru.atservers.net ~all | ||||||
| SOA | ns.rumex.ruroot@rumex.ru 2018-07-13 #4 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1777154606 | ||||||
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
○MXmail.r-optics.ru2015-07-21 → 2017-12-25 · 4 obs
● 2017-12-25 14:30:32
○ 2026-03-26 23:44:54
○ 2026-04-25 22:21:48
●MXmxs.activeby.net2026-03-26 → 2026-04-25 · 3 obs
● 2026-03-26 23:44:54
● 2026-04-25 22:21:48
●A193.34.9.1572015-07-21 → 2026-04-25 · 2 obs
● 2026-04-25 22:21:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| r-optics.com | ns2.rumex.ru, ns.rumex.ru | - |
✅ Authoritative Response
Server:195.110.47.133
NS records: ns2.rumex.ru, ns.rumex.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for r-optics.com (unsigned zone)
⏱️ Timing
Total: 2948ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.34.9.157 |
| NS | 2 | ns2.rumex.ru, ns.rumex.ru |
| MX | 1 | mxs.activeby.net (pri: 10) |
| TXT | 1 | v=spf1 include:spfmseru.atservers.net ~a |
| SOA | 1 | ns.rumex.ru root.rumex.ru |
Analysis
IP Addresses
r-optics.com maps to IP address 193.34.9.157.
Name Servers
Two name servers ns2.rumex.ru and ns.rumex.ru are delegated to r-optics.com.
r-optics.com uses the same name server configuration as other domains, such as r-optics.kz, rumex.ru, r-optics.ru, r-optics.by and tm.rumex.ru.
Host names with a single IP address:
ns2.rumex.ru points to 195.110.47.133
ns.rumex.ru points to 194.58.79.185
Mail Servers
r-optics.com is handled by a single mail server, mxs.activeby.net.
r-optics.com shares the same mail server setup as other domains, including sanremont.by, inwood.by, tiver.by, raspilgrodno.by and a-site.by.
r-optics.com shares mail servers with other domains at least in part, for instance mozyrsis.by, eurocard.by, buhgalteria-minsk.by, xenaares.ru and artstream.atservers.net.
These mail servers are commonly used together with 1st.mail-gate.ru and mxs.atservers.net.
Host name mxs.activeby.net points to IPs 178.159.242.40 and 178.159.250.30.