rbdirectstudybiz.ru - robtex.com

rbdirectstudybiz.ru

DNSSECโš ๏ธ Not signed
NSns3.yandex.ru โญ
A2a02:6b8::1001๐Ÿ‡ท๐Ÿ‡บ TELETECH2a02:6b8::/32 Yandex network
PTRns3.yandex.ru
A87.250.250.1๐Ÿ‡ท๐Ÿ‡บ TELETECH87.250.224.0/19 Yandex network
PTRns3.yandex.ru
NSns4.yandex.ru
A2a02:6b8:0:1::1:1๐Ÿ‡ท๐Ÿ‡บ TELETECH2a02:6b8::/32 Yandex network
PTRns4.yandex.ru
A77.88.21.1๐Ÿ‡ท๐Ÿ‡บ TELETECH77.88.0.0/18 Yandex enterprise network
PTRns4.yandex.ru
TXT_globalsign-domain-verification=4fen9MTjOohbcumeQ_5QT6iLttfh4hcVIirqd3M8mc
SOAns3.yandex.rusysadmin@yandex.ru serial=1778504804

ru

DNSSEC๐Ÿ”’ Signed (DS record present)
NSa.dns.ripn.net โญ
NSb.dns.ripn.net
NSd.dns.ripn.net
NSe.dns.ripn.net
NSf.dns.ripn.net
SOAa.dns.ripn.nethostmaster@ripn.net serial=4068835

Same first word

DNS History

2 records (2 active, 0 former)

NSns3.yandex.runs4.yandex.ru
โ—NSns3.yandex.ru2026-04-26 โ†’ 2026-05-11 ยท 2 obs
โ— 2026-04-26 22:34:18
โ— 2026-05-11 13:06:44
โ—NSns4.yandex.ru2026-04-26 โ†’ 2026-05-11 ยท 2 obs
โ— 2026-04-26 22:34:18
โ— 2026-05-11 13:06:44

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
rud.dns.ripn.net, a.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net...-
rbdirectstudybiz.runs4.yandex.ru, ns3.yandex.ru4 records

โœ… Authoritative Response

Server:87.250.250.1

NS records: ns4.yandex.ru, ns3.yandex.ru

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for rbdirectstudybiz.ru (unsigned zone)

โฑ๏ธ Timing

Total: 852ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
NS2ns3.yandex.ru, ns4.yandex.ru
TXT1_globalsign-domain-verification=4fen9MTj
SOA1ns3.yandex.ru sysadmin.yandex.ru

๐Ÿ“Œ Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns4.yandex.ru, ns3.yandex.ru, ns4.yandex.ru...)

Analysis

Name Servers

rbdirectstudybiz.ru is delegated to two name servers: ns3.yandex.ru and ns4.yandex.ru.

rbdirectstudybiz.ru uses the same name server setup as other domains, for instance yandex.io, zen.yandex.com.tr, 149.158.93.in-addr.arpa, sdc.yandex.com and 237.108.95.in-addr.arpa.

rbdirectstudybiz.ru shares name servers with other domains at least partially, for instance qloud.yandex-team.ru and qloud.yandex.ru.

these name servers are commonly used together with ns5.yandex.ru and ns6.yandex.ru.

Host names with two IP numbers:

The host ns3.yandex.ru points to 2a02:6b8::1001 and 87.250.250.1.

The host ns4.yandex.ru points to 2a02:6b8:0:1::1:1 and 77.88.21.1.