cu-dev.ru - robtex.com
cu-dev.ru
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.ns.selectel.ru ⭐ | ||||||
| A | 2a00:ab00:800::2:53 | ||||||
| A | 188.68.203.1 | ||||||
| NS | b.ns.selectel.ru | ||||||
| A | 2a00:ab00:801::2:53 | ||||||
| A | 77.223.114.2 | ||||||
| NS | c.ns.selectel.ru | ||||||
| A | 2a00:ab00:802::2:53 | ||||||
| A | 188.68.203.3 | ||||||
| NS | d.ns.selectel.ru | ||||||
| SOA | a.ns.selectel.rusupport@selectel.ru 2026-10-20 #1 | ||||||
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=4070842 | ||||||
DNS History
6 records (4 active, 2 former)
●NSa.ns.selectel.ru2026-10-23 → 2026-10-24 · 3 obs
● 2026-10-23 12:24:28
● 2026-10-24 19:11:08
●NSb.ns.selectel.ru2026-10-23 → 2026-10-24 · 3 obs
● 2026-10-23 12:24:28
● 2026-10-24 19:11:08
●NSc.ns.selectel.ru2026-10-23 → 2026-10-24 · 3 obs
● 2026-10-23 12:24:28
● 2026-10-24 19:11:08
●NSd.ns.selectel.ru2026-10-23 → 2026-10-24 · 3 obs
● 2026-10-23 12:24:28
● 2026-10-24 19:11:08
○NSns1.yandexcloud.net2026-05-11 → 2026-05-11 · 3 obs
○ 2026-10-23 12:24:28
○ 2026-10-24 19:11:08
○NSns2.yandexcloud.net2026-05-11 → 2026-05-11 · 3 obs
○ 2026-10-23 12:24:28
○ 2026-10-24 19:11:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | c.tld-servers.ru, d.dns.ripn.net, e.dns.ripn.net, f.dns.ripn.net... | - |
| cu-dev.ru | a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru, d.ns.selectel.ru | 8 records |
✅ Authoritative Response
Server:188.68.203.1
NS records: a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru, d.ns.selectel.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)
⏱️ Timing
Total: 4193ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | a.ns.selectel.ru, c.ns.selectel.ru... |
| SOA | 1 | a.ns.selectel.ru support.selectel.ru |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru...)
Analysis
Name Servers
The domain cu-dev.ru is delegated to these four name servers: a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru and d.ns.selectel.ru.
The host names a.ns.selectel.ru, b.ns.selectel.ru and c.ns.selectel.ru each point to two IP numbers: a.ns.selectel.ru points to 188.68.203.1 and 2a00:ab00:800::2:53. b.ns.selectel.ru points to 77.223.114.2 and 2a00:ab00:801::2:53. c.ns.selectel.ru points to 188.68.203.3 and 2a00:ab00:802::2:53.