mailserver.b-system.ru - robtex.com

mailserver.b-system.ru

DNSSEC⚠️ Not signed
A104.21.73.86Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.142.9🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.73.86, 172.67.142.9

b-system.ru

DNSSEC⚠️ Not signed
A104.21.73.86Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.142.9🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdom.ns.cloudflare.com ⭐
NSkenia.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.73.86, 172.67.142.9
SOAdom.ns.cloudflare.comdns@cloudflare.com serial=2401789098

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DNS History

3 records (2 active, 1 former)

A104.21.73.86172.67.142.9172.64.80.1
●A104.21.73.862026-04-07 → 2026-05-12 · 2 obs
● 2026-04-07 00:26:28
● 2026-05-12 10:02:28
○A172.64.80.12026-04-07 → 2026-05-12 · 2 obs
○ 2026-04-07 00:26:28
○ 2026-05-12 10:02:28
●A172.67.142.92026-04-07 → 2026-05-12 · 2 obs
● 2026-04-07 00:26:28
● 2026-05-12 10:02:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rua.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...-
b-system.rukenia.ns.cloudflare.com, dom.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.93

NS records: kenia.ns.cloudflare.com, dom.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for b-system.ru (unsigned zone)

⏱️ Timing

Total: 1021ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.73.86, 172.67.142.9
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mailserver.b-system.ru resolves to two IP numbers: 104.21.73.86 and 172.67.142.9.

other host names including mindvessel.com, tristsimig.pro, tucsondresscode.com, savefumisteria.it and worlddatasummit.com share IP numbers with mailserver.b-system.ru.