rtb.ru - dns.ninja
rtb.ru
ru
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | c.tld-servers.ru | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=4069929 | ||||||
Subdomains
mx.rtb.ru |
Same first word
Similar names
DNS History
11 records (6 active, 5 former)
●NSns4-cloud.nic.ru2015-08-14 → 2026-08-09 · 2 obs
● 2026-08-09 22:43:26
●NSns8-cloud.nic.ru2015-08-14 → 2026-08-09 · 2 obs
● 2026-08-09 22:43:26
●MXmail.postale.io2026-02-17 → 2026-08-09 · 3 obs
● 2026-02-17 07:39:10
● 2026-08-09 22:43:26
○MXmx.rtb.ru2016-10-03 → 2018-07-09 · 5 obs
● 2016-10-03 14:13:18
● 2018-07-09 21:15:44
○ 2026-02-17 07:39:10
○ 2026-08-09 22:43:26
○MXmx01.nicmail.ru2015-08-14 → 2016-08-31 · 4 obs
● 2016-08-31 11:07:56
○ 2016-10-03 14:13:18
○ 2026-08-09 22:43:26
○MXmx02.nicmail.ru2015-08-14 → 2016-08-31 · 4 obs
● 2016-08-31 11:07:56
○ 2016-10-03 14:13:18
○ 2026-08-09 22:43:26
○MXmx03.nicmail.ru2015-08-14 → 2016-08-31 · 4 obs
● 2016-08-31 11:07:56
○ 2016-10-03 14:13:18
○ 2026-08-09 22:43:26
○A212.193.225.1192015-08-14 → 2016-10-17 · 4 obs
● 2016-10-17 16:59:56
○ 2016-11-05 19:01:50
○ 2026-08-09 22:43:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net... | - |
| rtb.ru | ns3-l2.nic.ru, ns4-l2.nic.ru, ns8-l2.nic.ru, ns4-cloud.nic.ru... | 19 records |
✅ Authoritative Response
Server:193.232.146.1
NS records: ns3-l2.nic.ru, ns4-l2.nic.ru, ns8-l2.nic.ru, ns4-cloud.nic.ru, ns8-cloud.nic.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rtb.ru (unsigned zone)
⏱️ Timing
Total: 730ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 5 | ns3-l2.nic.ru, ns4-l2.nic.ru... |
| MX | 1 | mail.postale.io (pri: 10) |
| TXT | 2 | v=spf1 mx -all, verify_5b72ee7aa3a0ca8d2b240743b3f3a681 |
| SOA | 1 | ns3-l2.nic.ru dns.nic.ru |
📌 Glue Records Collected
Total: 19
Out-of-bailiwick: 19 (ns3-l2.nic.ru, ns4-l2.nic.ru, ns8-l2.nic.ru...)
Analysis
Hierarchy
rtb.ru serves as the parent of mx.rtb.ru.
Name Servers
The authoritative name servers for rtb.ru are ns3-l2.nic.ru, ns4-cloud.nic.ru, ns4-l2.nic.ru and two others.
rtb.ru has at least partial name server overlap with other domains, such as mili.pro, sallu.me, campell.ru and two others.
These name servers tend to appear together with the name servers ns8-l2.nic.ru, ns8-cloud.nic.ru and ns3.nic.ru.
Host names resolving to 6 IP numbers:
ns4-cloud.nic.ru maps to 89.104.93.30, 89.104.93.33, 89.104.93.34 and 3 additional IP addresses.
ns8-cloud.nic.ru maps to 89.104.93.31, 89.104.93.35, 89.104.93.36 and 3 additional IP addresses.
Hosts that resolve to one IP address:
ns3-l2.nic.ru resolves to the IP address 193.232.146.1.
ns4-l2.nic.ru resolves to the IP address 91.217.20.20.
ns8-l2.nic.ru resolves to the IP address 91.217.21.20.
Mail Servers
rtb.ru routes its mail through a single mail server, mail.postale.io.
rtb.ru has the same mail server arrangement as a number of other domains, for example fingal.se, sc.news, laureaci-madeintorun.pl and two more.
rtb.ru partially shares its mail servers with other domains; known examples include finddiagnostics.org, m-k.org and fuhaijun.com.
mail.postale.io has two IP addresses: 3.136.239.197 and 3.139.204.210.