7sigma.ru - robtex.com
7sigma.ru
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=4068607 | ||||||
Subdomains
mail.7sigma.ru |
Same first word
Similar names
DNS History
9 records (6 active, 3 former)
○NSdns0.mtu.ru2015-08-20 → 2016-04-04 · 4 obs
● 2016-04-04 23:02:56
○ 2016-07-26 00:16:04
○ 2026-04-22 12:08:12
○NSdns1.mtu.ru2015-08-20 → 2016-04-04 · 4 obs
● 2016-04-04 23:02:56
○ 2016-07-26 00:16:04
○ 2026-04-22 12:08:12
●NSns3-l2.nic.ru2016-07-26 → 2026-04-22 · 3 obs
● 2016-07-26 00:16:04
● 2026-04-22 12:08:12
●NSns4-cloud.nic.ru2016-07-26 → 2026-04-22 · 3 obs
● 2016-07-26 00:16:04
● 2026-04-22 12:08:12
●NSns4-l2.nic.ru2016-07-26 → 2026-04-22 · 3 obs
● 2016-07-26 00:16:04
● 2026-04-22 12:08:12
●NSns8-cloud.nic.ru2016-07-26 → 2026-04-22 · 3 obs
● 2016-07-26 00:16:04
● 2026-04-22 12:08:12
●NSns8-l2.nic.ru2016-07-26 → 2026-04-22 · 3 obs
● 2016-07-26 00:16:04
● 2026-04-22 12:08:12
●MXmail.7sigma.ru2016-07-26 → 2026-04-22 · 3 obs
● 2016-07-26 00:16:04
● 2026-04-22 12:08:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| 7sigma.ru | ns4-l2.nic.ru, ns8-l2.nic.ru, ns8-cloud.nic.ru, ns3-l2.nic.ru... | 19 records |
✅ Authoritative Response
Server:91.217.20.20
NS records: ns4-l2.nic.ru, ns8-l2.nic.ru, ns8-cloud.nic.ru, ns3-l2.nic.ru, ns4-cloud.nic.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 7sigma.ru (unsigned zone)
⏱️ Timing
Total: 685ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 5 | ns3-l2.nic.ru, ns4-l2.nic.ru... |
| MX | 1 | mail.7sigma.ru (pri: 10) |
| SOA | 1 | ns3-l2.nic.ru dns.nic.ru |
📌 Glue Records Collected
Total: 19
Out-of-bailiwick: 19 (ns8-cloud.nic.ru, ns8-cloud.nic.ru, ns8-cloud.nic.ru...)
Analysis
Hierarchy
7sigma.ru is a parent of mail.7sigma.ru.
Name Servers
7sigma.ru is delegated to five name servers: ns3-l2.nic.ru, ns4-cloud.nic.ru, ns4-l2.nic.ru, ns8-cloud.nic.ru and ns8-l2.nic.ru.
7sigma.ru at least partially shares name servers with other domains, for instance marathongroup.ru, novicam.ru, xn--6-ftbfnmpg.xn--p1ai, writenow.ru and hm14.ru.
These name servers are commonly used with the name servers ns3.nic.ru.
Host names with six IP numbers:
ns4-cloud.nic.ru points to 89.104.93.30, 89.104.93.33, 89.104.93.34, 89.104.95.30, 89.104.95.33 and 89.104.95.34
ns8-cloud.nic.ru points to 89.104.93.31, 89.104.93.35, 89.104.93.36, 89.104.95.31, 89.104.95.35 and 89.104.95.36
Host names with one IP number:
ns3-l2.nic.ru points to 193.232.146.1
ns4-l2.nic.ru points to 91.217.20.20
ns8-l2.nic.ru points to 91.217.21.20
Mail Servers
7sigma.ru is handled by a single mail server, mail.7sigma.ru.
mail.7sigma.ru points to a single IP: 91.227.204.131.