rcnt.su - dns.ninja
rcnt.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.229.10.99🇷🇺 AS-REGRU91.229.10.0/24 | ||||||
| PTR | 91-229-10-99.cloudvps.regruhosting.ru | ||||||
| NS | jumo.rusnano.com ⭐ | ||||||
| A | 77.232.34.100🇷🇺 RUSNANO77.232.34.0/24 | ||||||
| PTR | jumo.rusnano.com | ||||||
| NS | ns4-l2.nic.ru | ||||||
| A | 91.217.20.20🇷🇺 RU-CENTER91.217.20.0/24 | ||||||
| PTR | ns4-l2.nic.ru | ||||||
| NS | ns8-l2.nic.ru | ||||||
| A | 91.217.21.20🇷🇺 RU-CENTER-AS91.217.21.0/24 RU-CENTER | ||||||
| PTR | ns8-l2.nic.ru | ||||||
| MX | pm1.rusnano.com ⭐ | ||||||
| MX | pm2.rusnano.com ⭐ | ||||||
| A | 77.232.34.126🇷🇺 RUSNANO77.232.34.0/24 | ||||||
| PTR | pm2.rusnano.com | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | jumo.rusnano.comhostmaster@rusnano.com 2018-11-30 #10 | ||||||
su
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | c.tld-servers.ru ⚠️ Not in parent delegation | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=650209986 | ||||||
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NSjumo.rusnano.com2015-06-17 → 2026-07-27 · 2 obs
● 2026-07-27 07:23:30
●NSns4-l2.nic.ru2021-03-03 → 2026-07-27 · 3 obs
● 2021-03-03 01:12:38
● 2026-07-27 07:23:30
○NSns4.nic.ru2015-06-17 → 2016-10-19 · 4 obs
● 2016-10-19 15:37:56
○ 2021-03-03 01:12:38
○ 2026-07-27 07:23:30
●NSns8-l2.nic.ru2021-03-03 → 2026-07-27 · 3 obs
● 2021-03-03 01:12:38
● 2026-07-27 07:23:30
○NSns8.nic.ru2015-06-17 → 2016-10-19 · 4 obs
● 2016-10-19 15:37:56
○ 2021-03-03 01:12:38
○ 2026-07-27 07:23:30
●MXpm1.rusnano.com2021-03-03 → 2026-07-27 · 2 obs
● 2026-07-27 07:23:30
●MXpm2.rusnano.com2021-03-03 → 2026-07-27 · 2 obs
● 2026-07-27 07:23:30
●A91.229.10.992026-06-11 → 2026-07-27 · 4 obs
○ 2026-06-28 05:07:22
● 2026-07-27 07:23:28
● 2026-07-27 07:23:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | b.dns.ripn.net, e.dns.ripn.net, a.dns.ripn.net, d.dns.ripn.net... | 10 records |
| rcnt.su | jumo.rusnano.com, ns4-l2.nic.ru, ns8-l2.nic.ru | - |
✅ Authoritative Response
Server:91.217.21.20
NS records: jumo.rusnano.com, ns4-l2.nic.ru, ns8-l2.nic.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rcnt.su (unsigned zone)
⏱️ Timing
Total: 1588ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.229.10.99 |
| NS | 3 | jumo.rusnano.com, ns4-l2.nic.ru... |
| MX | 2 | pm1.rusnano.com (pri: 10), pm2.rusnano.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ~all |
| SOA | 1 | jumo.rusnano.com hostmaster.rusnano.com |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (b.dns.ripn.net, b.dns.ripn.net, e.dns.ripn.net...)
Analysis
IP Addresses
rcnt.su has exactly one IP address — 91.229.10.99.
rcnt.su shares its IP numbers with other host names, including rosnano.net, rusnano.biz, rosnano.biz and rusnano.info.
Name Servers
rcnt.su is served by three name servers: jumo.rusnano.com, ns4-l2.nic.ru and ns8-l2.nic.ru.
There is at least partial name server overlap between rcnt.su and other domains — niitkd.ru, amsterdamboxing.ru, sharaev.ru and two more among them.
These name servers tend to appear together with the name servers ns4-cloud.nic.ru, ns8-cloud.nic.ru and ns3-l2.nic.ru, plus two others.
jumo.rusnano.com has IP address 77.232.34.100, ns4-l2.nic.ru has IP address 91.217.20.20 and ns8-l2.nic.ru has IP address 91.217.21.20 — one address each.
Mail Servers
rcnt.su uses two mail servers, pm1.rusnano.com and pm2.rusnano.com.
rcnt.su uses the same mail servers as other domains, including rni-service.com.
Host names resolving to a single IP address:
pm2.rusnano.com resolves to the IP address 77.232.34.126.