science4u.ru - robtex.com
science4u.ru
| DNSSEC | ⚠️ Not signed | ||||||
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=4068819 | ||||||
Same first word
DNS History
6 records (0 active, 6 former)
○NScash.ns.cloudflare.com2017-01-05 → 2017-01-05 · 3 obs
● 2017-01-05 16:07:52
○ 2026-03-30 15:37:24
○ 2026-05-10 03:48:16
○ 2026-03-30 15:37:24
○ 2026-05-10 03:48:16
○NStani.ns.cloudflare.com2017-01-05 → 2017-01-05 · 3 obs
● 2017-01-05 16:07:52
○ 2026-03-30 15:37:24
○ 2026-05-10 03:48:16
○ 2026-03-30 15:37:24
○ 2026-05-10 03:48:16
○A104.27.132.1782017-01-05 → 2017-01-05 · 3 obs
● 2017-01-05 16:07:52
○ 2026-03-30 15:37:24
○ 2026-05-10 03:48:16
○ 2026-03-30 15:37:24
○ 2026-05-10 03:48:16
○A104.27.133.1782017-01-05 → 2017-01-05 · 3 obs
● 2017-01-05 16:07:52
○ 2026-03-30 15:37:24
○ 2026-05-10 03:48:16
○ 2026-03-30 15:37:24
○ 2026-05-10 03:48:16
○A2400:cb00:2048:1::681b:84b22017-01-05 → 2017-01-05 · 3 obs
● 2017-01-05 16:07:52
○ 2026-03-30 15:37:24
○ 2026-05-10 03:48:16
○ 2026-03-30 15:37:24
○ 2026-05-10 03:48:16
○A2400:cb00:2048:1::681b:85b22017-01-05 → 2017-01-05 · 3 obs
● 2017-01-05 16:07:52
○ 2026-03-30 15:37:24
○ 2026-05-10 03:48:16
○ 2026-03-30 15:37:24
○ 2026-05-10 03:48:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
✅ Authoritative Response
Server:194.85.252.62
NS records: a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net, f.dns.ripn.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 486ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|