www.studyprof.ru - robtex.com

www.studyprof.ru

DNSSEC⚠️ Not signed
A87.249.43.137🇷🇺 TimeWeb-AS87.249.43.0/24
PTRvh430.timeweb.ru
MXemx.mail.ru ⭐
A94.100.180.180🇷🇺 VK-AS94.100.176.0/20 Moscow region
PTRemx.mail.ru
A217.69.139.180🇷🇺 VK-AS217.69.128.0/20 Moscow region
PTRemx.mail.ru
TXTmailru-domain: 5zWcdxacaMBQCU5D
TXTv=spf1 redirect=_spf.mail.ru

studyprof.ru

DNSSEC⚠️ Not signed
A87.249.43.137🇷🇺 TimeWeb-AS87.249.43.0/24
NSns1.timeweb.ru ⭐
NSns2.timeweb.ru
NSns3.timeweb.org
NSns4.timeweb.org
MXemx.mail.ru ⭐
TXTmailru-domain: 5zWcdxacaMBQCU5D
TXTv=spf1 redirect=_spf.mail.ru
SOAns1.timeweb.rudns@timeweb.ru 2026-01-20 #0

Same first word

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DNS History

3 records (2 active, 1 former)

202120222023202420252026MXemx.mail.ruA87.249.43.137185.32.57.225
●MXemx.mail.ru2026-02-23 → 2026-03-27 · 2 obs
● 2026-02-23 04:22:12
● 2026-03-27 03:54:18
○A185.32.57.2252020-03-05 → 2020-03-05 · 3 obs
● 2020-03-05 07:00:40
○ 2026-02-23 04:22:12
○ 2026-03-27 03:54:18
●A87.249.43.1372026-02-23 → 2026-03-27 · 3 obs
○ 2020-03-05 07:00:40
● 2026-02-23 04:22:12
● 2026-03-27 03:54:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rua.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...-
studyprof.runs3.timeweb.org, ns4.timeweb.org, ns1.timeweb.ru, ns2.timeweb.ru2 records

✅ Authoritative Response

Server:85.193.93.85

NS records: ns3.timeweb.org, ns4.timeweb.org, ns1.timeweb.ru, ns2.timeweb.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyprof.ru (unsigned zone)

⏱️ Timing

Total: 1160ms | Queries: -

📄 Records

TypeCountSample Data
A187.249.43.137
MX1emx.mail.ru (pri: 10)
TXT2mailru-domain: 5zWcdxacaMBQCU5D, v=spf1 redirect=_spf.mail.ru

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.timeweb.ru, ns1.timeweb.ru)

Analysis

IP Addresses

www.studyprof.ru points to a single IP: 87.249.43.137.

Other host names, for instance studyprof.ru, share IP numbers with www.studyprof.ru.

Mail Servers

www.studyprof.ru is served by a single mail server, emx.mail.ru.

www.studyprof.ru uses the same mail server setup as other domains such as 1tvb.ru, vipguitar.ru, igroove.ru, barbarisso.az and favplus.ru.

Hostname emx.mail.ru resolves to two IPs: 94.100.180.180 and 217.69.139.180.