b-tools.ru - robtex.com
b-tools.ru
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=4068497 | ||||||
PTR for
Same first word
b-tools.ru |
Similar names
DNS History
14 records (6 active, 8 former)
●NSa.ns.selectel.ru2026-02-17 → 2026-04-13 · 3 obs
● 2026-02-17 21:28:02
● 2026-04-13 07:58:40
●NSb.ns.selectel.ru2026-02-17 → 2026-04-13 · 3 obs
● 2026-02-17 21:28:02
● 2026-04-13 07:58:40
●NSc.ns.selectel.ru2026-02-17 → 2026-04-13 · 3 obs
● 2026-02-17 21:28:02
● 2026-04-13 07:58:40
●NSd.ns.selectel.ru2026-02-17 → 2026-04-13 · 3 obs
● 2026-02-17 21:28:02
● 2026-04-13 07:58:40
○NSns1.privateperson.ru2015-08-22 → 2017-01-20 · 4 obs
● 2017-01-20 21:15:20
○ 2018-05-28 22:37:22
○ 2026-04-13 07:58:40
○NSns2.privateperson.ru2015-08-22 → 2017-01-20 · 4 obs
● 2017-01-20 21:15:20
○ 2018-05-28 22:37:22
○ 2026-04-13 07:58:40
○NSprivateperson.ru2015-08-22 → 2017-01-20 · 4 obs
● 2017-01-20 21:15:20
○ 2018-05-28 22:37:22
○ 2026-04-13 07:58:40
○MX148.240.4.322015-09-28 → 2015-09-28 · 4 obs
● 2015-09-28 19:56:48
○ 2015-11-19 23:19:18
○ 2026-04-13 07:58:40
○MX148.240.4.322015-08-22 → 2015-08-22 · 3 obs
○ 2015-09-28 19:56:48
○ 2026-04-13 07:58:40
○MXdial-148-240-4-32.zone-1.ip.static-ftth.axtel.net.mx2015-11-19 → 2015-11-19 · 4 obs
● 2015-11-19 23:19:18
○ 2015-11-25 07:40:38
○ 2026-04-13 07:58:40
●MXemx.mail.ru2026-02-17 → 2026-04-13 · 3 obs
● 2026-02-17 21:28:02
● 2026-04-13 07:58:40
○MXvoid.blackhole.mx2015-11-25 → 2017-01-20 · 5 obs
● 2015-11-25 07:40:38
● 2017-01-20 21:15:20
○ 2018-05-28 22:37:22
○ 2026-04-13 07:58:40
●A87.242.108.1042026-02-17 → 2026-04-13 · 3 obs
● 2026-02-17 21:28:02
● 2026-04-13 07:58:40
○A91.195.241.872015-08-22 → 2017-01-20 · 4 obs
● 2017-01-20 21:15:20
○ 2018-05-28 22:37:22
○ 2026-04-13 07:58:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | e.dns.ripn.net, b.dns.ripn.net, a.dns.ripn.net, d.dns.ripn.net... | - |
| b-tools.ru | c.ns.selectel.ru, d.ns.selectel.ru, a.ns.selectel.ru, b.ns.selectel.ru | 4 records |
✅ Authoritative Response
Server:77.223.114.2
NS records: c.ns.selectel.ru, d.ns.selectel.ru, a.ns.selectel.ru, b.ns.selectel.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for b-tools.ru (unsigned zone)
⏱️ Timing
Total: 651ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 87.242.108.104 |
| NS | 4 | a.ns.selectel.ru, c.ns.selectel.ru... |
| MX | 1 | emx.mail.ru (pri: 10) |
| TXT | 2 | v=spf1 ip4:188.124.47.194 ip4:185.137.23, mailru-domain: F5HgRLuEQ5KsQl0g |
| SOA | 1 | a.ns.selectel.ru support.selectel.ru |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (d.ns.selectel.ru, c.ns.selectel.ru, b.ns.selectel.ru...)
Analysis
IP Addresses
b-tools.ru points to a single IP number: 87.242.108.104.
Name Servers
b-tools.ru is delegated to four name servers: a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru and d.ns.selectel.ru.
b-tools.ru shares name servers with other domains at least partially, for instance infocom.io, mousosh41stav.ru, nntu.ru, gerkulesim.ru and ligatepla.ru.
Host names with two IP numbers:
a.ns.selectel.ru resolves to 2a00:ab00:800::2:53 and 188.68.203.1.
b.ns.selectel.ru resolves to 2a00:ab00:801::2:53 and 77.223.114.2.
c.ns.selectel.ru resolves to 2a00:ab00:802::2:53 and 188.68.203.3.
d.ns.selectel.ru resolves to 2a00:ab00:803::2:53 and 77.223.114.4.
Mail Servers
The mail server for b-tools.ru is emx.mail.ru.
b-tools.ru shares the same mail server setup as other domains, including nana.ru, go-muine.ru, po-sosedstvu.ru, krasikra.ru and it-corp.ru.
b-tools.ru shares some mail servers with other domains, including projectmy.ru, autofox82.ru and bristolnn.ru.
Host name emx.mail.ru resolves to two IPs: 94.100.180.180 and 217.69.139.180.