mail.tehstud.ru - robtex.com

mail.tehstud.ru

DNSSEC⚠️ Not signed
A31.130.203.201🇧🇾 DATAHATA-AS31.130.203.0/24 route object
PTRmx1.zaochnik.com

tehstud.ru

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:d190🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:4d9a🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.77.154Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.209.144🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalan.ns.cloudflare.com ⭐
NSetta.ns.cloudflare.com
MXmail.tehstud.ru ⭐
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.77.154, 172.67.209.144
IPv6 hints2606:4700:3034::ac43:d190, 2606:4700:3037::6815:4d9a
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=246, name=cloudflare-ech.com
SOAalan.ns.cloudflare.comdns@cloudflare.com serial=2402769498

MX for

tehstud.ru

Same first word

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DNS History

3 records (1 active, 2 former)

20162017201820192020202120222023202420252026A31.130.203.201109.206.190.5491.195.241.86
○A109.206.190.542015-10-25 → 2016-01-02 · 5 obs
○ 2015-05-16 23:16:36
● 2015-10-25 12:45:04
● 2016-01-02 11:56:42
○ 2016-04-09 07:35:28
○ 2026-04-28 02:45:00
●A31.130.203.2012026-04-27 → 2026-04-28 · 3 obs
○ 2016-04-09 07:35:28
● 2026-04-27 23:41:40
● 2026-04-28 02:45:00
○A91.195.241.862015-05-16 → 2016-04-09 · 6 obs
● 2015-05-16 23:16:36
○ 2015-10-25 12:45:04
○ 2016-01-02 11:56:42
● 2016-04-09 07:35:28
○ 2026-04-27 23:41:40
○ 2026-04-28 02:45:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rua.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net...-
tehstud.ruetta.ns.cloudflare.com, alan.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.57

NS records: etta.ns.cloudflare.com, alan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tehstud.ru (unsigned zone)

⏱️ Timing

Total: 625ms | Queries: -

📄 Records

TypeCountSample Data
A131.130.203.201

Analysis

Mail Server Role

mail.tehstud.ru serves as the mail server for tehstud.ru.

IP Addresses

mail.tehstud.ru points to a single IP: 31.130.203.201.

Other host names, for instance mail.dissertatsia.ru, mail.zaochnik1.com, mail.zaochnik-com.ru, _dc-mx.4c9c4747d06b.studygood.ru and mx1.zaochnik.ru share IP numbers with mail.tehstud.ru.