ru-sys.com - robtex.com
ru-sys.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.137.235.2🇷🇺 SELECTEL185.137.235.0/24 Selectel Route Object | ||||||
| NS | ns1.ru-sys.com ⭐ | ||||||
| A | 91.213.240.254🇷🇺 RU-SYSTEMS-AS91.213.240.0/24 Russian System Ltd | ||||||
| PTR | ns1.ru-sys.com | ||||||
| NS | ns2.ru-sys.com | ||||||
| A | 91.213.240.253🇷🇺 RU-SYSTEMS-AS91.213.240.0/24 Russian System Ltd | ||||||
| PTR | ns2.ru-sys.com | ||||||
| MX | mail.ru-sys.com ⭐ | ||||||
| A | 91.213.240.67🇷🇺 RU-SYSTEMS-AS91.213.240.0/24 Russian System Ltd | ||||||
| PTR | mail.ru-sys.com | ||||||
| TXT | v=spf1 +a +mx -all | ||||||
| SOA | ns1.ru-sys.comhostmaster@ru-sys.com 2021-07-30 #17 | ||||||
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=1778445126 | ||||||
Subdomains
Same first word
ru-sys.com |
DNS History
13 records (4 active, 9 former)
●NSns1.ru-sys.com2015-09-02 → 2026-05-10 · 2 obs
● 2026-05-10 20:44:38
●NSns2.ru-sys.com2015-09-02 → 2026-05-10 · 2 obs
● 2026-05-10 20:44:38
○NSns3-l2.nic.ru2015-09-02 → 2017-01-19 · 4 obs
● 2017-01-19 09:52:52
○ 2018-06-16 12:19:58
○ 2026-05-10 20:44:38
○NSns4-cloud.nic.ru2015-09-02 → 2017-01-19 · 4 obs
● 2017-01-19 09:52:52
○ 2018-06-16 12:19:58
○ 2026-05-10 20:44:38
○NSns4-l2.nic.ru2015-09-02 → 2017-01-19 · 4 obs
● 2017-01-19 09:52:52
○ 2018-06-16 12:19:58
○ 2026-05-10 20:44:38
○NSns8-cloud.nic.ru2015-09-02 → 2017-01-19 · 4 obs
● 2017-01-19 09:52:52
○ 2018-06-16 12:19:58
○ 2026-05-10 20:44:38
○NSns8-l2.nic.ru2015-09-02 → 2017-01-19 · 4 obs
● 2017-01-19 09:52:52
○ 2018-06-16 12:19:58
○ 2026-05-10 20:44:38
●MXmail.ru-sys.com2026-02-25 → 2026-05-10 · 3 obs
● 2026-02-25 09:57:14
● 2026-05-10 20:44:38
○MXmx01.nicmail.ru2015-09-02 → 2018-06-16 · 4 obs
● 2018-06-16 12:19:58
○ 2026-02-25 09:57:14
○ 2026-05-10 20:44:38
○MXmx02.nicmail.ru2015-09-02 → 2018-06-16 · 4 obs
● 2018-06-16 12:19:58
○ 2026-02-25 09:57:14
○ 2026-05-10 20:44:38
○MXmx03.nicmail.ru2015-09-02 → 2018-06-16 · 4 obs
● 2018-06-16 12:19:58
○ 2026-02-25 09:57:14
○ 2026-05-10 20:44:38
●A185.137.235.22026-02-25 → 2026-05-10 · 3 obs
● 2026-02-25 09:57:14
● 2026-05-10 20:44:38
○A195.208.1.1552015-09-02 → 2018-06-16 · 4 obs
● 2018-06-16 12:19:58
○ 2026-02-25 09:57:14
○ 2026-05-10 20:44:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ru-sys.com | ns1.ru-sys.com, ns2.ru-sys.com | 2 records |
✅ Authoritative Response
Server:91.213.240.254
NS records: ns1.ru-sys.com, ns2.ru-sys.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ru-sys.com (unsigned zone)
⏱️ Timing
Total: 699ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.137.235.2 |
| NS | 2 | ns2.ru-sys.com, ns1.ru-sys.com |
| MX | 1 | mail.ru-sys.com (pri: 10) |
| TXT | 1 | v=spf1 +a +mx -all |
| SOA | 1 | ns1.ru-sys.com hostmaster.ru-sys.com |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.ru-sys.com, ns2.ru-sys.com)
Analysis
Hierarchy
ru-sys.com is a parent of mail.ru-sys.com, www.ru-sys.com, ns1.ru-sys.com and ns2.ru-sys.com.
IP Addresses
ru-sys.com resolves to one IP number: 185.137.235.2.
other host names including all2crm.ru, da-k.ru, s-save.ru, postingavito.ru and lite-soft.ru share IP numbers with ru-sys.com.
Name Servers
ru-sys.com is delegated to two name servers ns1.ru-sys.com and ns2.ru-sys.com.
ru-sys.com uses the same name server setup as konsultant.ru and 240.213.91.in-addr.arpa.
Host names with one IP number:
ns1.ru-sys.com points to 91.213.240.254
ns2.ru-sys.com points to 91.213.240.253
Mail Servers
ru-sys.com is handled by a single mail server, mail.ru-sys.com.
mail.ru-sys.com resolves to IP 91.213.240.67.