mx.it-study.ru - robtex.com

mx.it-study.ru

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:53c7🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:b509🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.83.199Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.181.9🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.83.199, 172.67.181.9
IPv62606:4700:3036::6815:53c7, 2606:4700:3037::ac43:b509

it-study.ru

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:53c7🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:b509🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.83.199Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.181.9🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdilbert.ns.cloudflare.com ⭐
NSkia.ns.cloudflare.com
MXmx.it-study.ru ⭐
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.83.199, 172.67.181.9
IPv62606:4700:3036::6815:53c7, 2606:4700:3037::ac43:b509
SOAdilbert.ns.cloudflare.comdns@cloudflare.com serial=2396391215

MX for

it-study.ru

Same first word

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DNS History

4 records (4 active, 0 former)

A104.21.83.199172.67.181.92606:4700:3036::6815:53c72606:4700:3037::ac43:b509
●A104.21.83.1992026-02-18 → 2026-03-30 · 2 obs
● 2026-02-18 03:59:40
● 2026-03-30 01:38:52
●A172.67.181.92026-02-18 → 2026-03-30 · 2 obs
● 2026-02-18 03:59:40
● 2026-03-30 01:38:52
●A2606:4700:3036::6815:53c72026-02-18 → 2026-03-30 · 2 obs
● 2026-02-18 03:59:40
● 2026-03-30 01:38:52
●A2606:4700:3037::ac43:b5092026-02-18 → 2026-03-30 · 2 obs
● 2026-02-18 03:59:40
● 2026-03-30 01:38:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rue.dns.ripn.net, a.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net...-
it-study.rudilbert.ns.cloudflare.com, kia.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.179

NS records: dilbert.ns.cloudflare.com, kia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for it-study.ru (unsigned zone)

⏱️ Timing

Total: 428ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.181.9, 104.21.83.199
AAAA22606:4700:3037::ac43:b509, 2606:4700:3036::6815:53c7
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

Mail Server Role

mx.it-study.ru is the mail server for it-study.ru.

IP Addresses

mx.it-study.ru resolves to four IP numbers: 2606:4700:3036::6815:53c7, 2606:4700:3037::ac43:b509, 104.21.83.199 and 172.67.181.9.

other host names for instance it-study.ru, azpolitics.net, connectioncafe.com, keohanereadymix.com and media.areatrend.com share IP numbers with mx.it-study.ru.