rt-spb.com - robtex.com
rt-spb.com
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=1771291435 | ||||||
Subdomains
mail.rt-spb.com |
Same first word
Similar names
DNS History
13 records (7 active, 6 former)
●NSns3-l2.nic.ru2017-10-28 → 2026-03-22 · 3 obs
● 2017-10-28 17:17:04
● 2026-03-22 13:53:54
●NSns4-cloud.nic.ru2017-10-28 → 2026-03-22 · 3 obs
● 2017-10-28 17:17:04
● 2026-03-22 13:53:54
●NSns4-l2.nic.ru2017-10-28 → 2026-03-22 · 3 obs
● 2017-10-28 17:17:04
● 2026-03-22 13:53:54
●NSns8-cloud.nic.ru2017-10-28 → 2026-03-22 · 3 obs
● 2017-10-28 17:17:04
● 2026-03-22 13:53:54
●NSns8-l2.nic.ru2017-10-28 → 2026-03-22 · 3 obs
● 2017-10-28 17:17:04
● 2026-03-22 13:53:54
○NSstatuspage1.nic.ru2016-12-17 → 2016-12-17 · 3 obs
○ 2017-10-28 17:17:04
○ 2026-03-22 13:53:54
○NSstatuspage2.nic.ru2016-12-17 → 2016-12-17 · 3 obs
○ 2017-10-28 17:17:04
○ 2026-03-22 13:53:54
●MXmail.rt-spb.com2017-10-28 → 2026-03-22 · 3 obs
● 2017-10-28 17:17:04
● 2026-03-22 13:53:54
○MXnomail.nic.ru2016-12-17 → 2016-12-17 · 3 obs
○ 2017-10-28 17:17:04
○ 2026-03-22 13:53:54
○A109.70.26.372016-12-17 → 2016-12-17 · 3 obs
○ 2017-10-28 17:17:04
○ 2026-03-22 13:53:54
●A185.215.4.192026-02-15 → 2026-03-22 · 3 obs
● 2026-02-15 06:11:50
● 2026-03-22 13:53:54
○A194.85.61.762016-12-17 → 2016-12-17 · 3 obs
○ 2017-10-28 17:17:04
○ 2026-03-22 13:53:54
○A195.208.1.1172017-10-28 → 2017-10-28 · 4 obs
● 2017-10-28 17:17:04
○ 2026-02-15 06:11:50
○ 2026-03-22 13:53:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| rt-spb.com | ns8-l2.nic.ru, ns4-l2.nic.ru, ns3-l2.nic.ru, ns8-cloud.nic.ru... | - |
✅ Authoritative Response
Server: 91.217.21.20
NS records: ns8-l2.nic.ru, ns4-l2.nic.ru, ns3-l2.nic.ru, ns8-cloud.nic.ru, ns4-cloud.nic.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rt-spb.com (unsigned zone)
⏱️ Timing
Total: 966ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.215.4.19 |
| NS | 5 | ns3-l2.nic.ru, ns4-l2.nic.ru... |
| MX | 1 | mail.rt-spb.com (pri: 1) |
| TXT | 1 | v=spf1 +mx +a -all |
| SOA | 1 | ns3-l2.nic.ru dns.nic.ru |
Analysis
Hierarchy
The parent of mail.rt-spb.com is rt-spb.com.
IP Addresses
rt-spb.com points to a single IP: 185.215.4.19.
Other host names, for instance maximfedosov.ru, aviary.ru, parkigoroda.ru, park33.ru and ilifia-ctg.ru share IP numbers with rt-spb.com.
Name Servers
rt-spb.com 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.
rt-spb.com partially shares name servers with other domains; examples include oboronenergo.su, ortodont-center.ru, nrczh.ru, akcia.ru and infosoftvc.ru.
These name servers commonly accompany ns3.nic.ru, ns3-l3.nic.ru, ns4-l3.nic.ru and ns8-l3.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
rt-spb.com is handled by a single mail server, mail.rt-spb.com.
mail.rt-spb.com points to a single IP: 37.139.37.28.