bt4u.ru - robtex.com
bt4u.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=4068844 | ||||||
Same first word
Similar names
btu4.com |
tb4u.com.br |
4tub.com |
ub4t.com |
4tub.eu |
4tbu.com |
b4tu.com |
tb4u.com |
tub4.com |
b4ut.com |
t4ub.com |
utb4.com |
but4.com |
4btu.com |
4but.com |
DNS History
8 records (0 active, 8 former)
○NSns1.r01.ru2015-12-01 → 2017-10-28 · 5 obs
○ 2015-10-12 22:55:28
● 2015-12-01 21:01:38
● 2017-10-28 19:35:16
○ 2026-05-10 10:08:32
○ 2026-05-12 07:08:04
● 2015-12-01 21:01:38
● 2017-10-28 19:35:16
○ 2026-05-10 10:08:32
○ 2026-05-12 07:08:04
○NSns1.zl8.ru2015-08-20 → 2015-10-12 · 4 obs
● 2015-08-20 23:53:48
● 2015-10-12 22:55:28
○ 2015-12-01 21:01:38
○ 2026-05-12 07:08:04
● 2015-10-12 22:55:28
○ 2015-12-01 21:01:38
○ 2026-05-12 07:08:04
○NSns2.r01.ru2015-12-01 → 2017-10-28 · 5 obs
○ 2015-10-12 22:55:28
● 2015-12-01 21:01:38
● 2017-10-28 19:35:16
○ 2026-05-10 10:08:32
○ 2026-05-12 07:08:04
● 2015-12-01 21:01:38
● 2017-10-28 19:35:16
○ 2026-05-10 10:08:32
○ 2026-05-12 07:08:04
○NSns2.zl8.ru2015-08-20 → 2015-10-12 · 4 obs
● 2015-08-20 23:53:48
● 2015-10-12 22:55:28
○ 2015-12-01 21:01:38
○ 2026-05-12 07:08:04
● 2015-10-12 22:55:28
○ 2015-12-01 21:01:38
○ 2026-05-12 07:08:04
○MXmail.bt4u.ru2015-08-20 → 2015-10-12 · 4 obs
● 2015-08-20 23:53:48
● 2015-10-12 22:55:28
○ 2015-12-01 21:01:38
○ 2026-05-12 07:08:04
● 2015-10-12 22:55:28
○ 2015-12-01 21:01:38
○ 2026-05-12 07:08:04
○A176.99.5.2192015-08-20 → 2015-10-12 · 4 obs
● 2015-08-20 23:53:48
● 2015-10-12 22:55:28
○ 2015-12-01 21:01:38
○ 2026-05-12 07:08:04
● 2015-10-12 22:55:28
○ 2015-12-01 21:01:38
○ 2026-05-12 07:08:04
○A80.252.135.1252017-10-28 → 2017-10-28 · 4 obs
○ 2017-04-01 20:39:52
● 2017-10-28 19:35:16
○ 2026-05-10 10:08:32
○ 2026-05-12 07:08:04
● 2017-10-28 19:35:16
○ 2026-05-10 10:08:32
○ 2026-05-12 07:08:04
○A94.253.13.2072015-12-01 → 2017-04-01 · 5 obs
○ 2015-10-12 22:55:28
● 2015-12-01 21:01:38
● 2017-04-01 20:39:52
○ 2017-10-28 19:35:16
○ 2026-05-12 07:08:04
● 2015-12-01 21:01:38
● 2017-04-01 20:39:52
○ 2017-10-28 19:35:16
○ 2026-05-12 07:08:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | d.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net, f.dns.ripn.net... | - |
✅ Authoritative Response
Server:193.232.142.17
NS records: d.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net, f.dns.ripn.net, e.dns.ripn.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 541ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|