`mail.rusteacher.ru`

	DNSSEC	⚠️ Not signed
	A	144.31.49.10^{🇺🇸 AS401152144.31.32.0/19}

`rusteacher.ru`

	DNSSEC	⚠️ Not signed
	A	144.31.49.10^{🇺🇸 AS401152144.31.32.0/19}
	NS	`ns1.smartape.ru` ⭐
	NS	`ns2.smartape.ru`
	MX	`mail.rusteacher.ru` ⭐
	SOA	`ns1.smartape.ru`tech@smartape.ru 2026-02-17 #0

MX for

rusteacher.ru

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DNS History

3 records (1 active, 2 former)

●A144.31.49.102026-03-16 → 2026-05-10 · 3 obs

○ 2017-04-09 16:52:38
● 2026-03-16 04:08:10
● 2026-05-10 16:24:40

○A185.9.147.2002026-03-16 → 2026-05-10 · 2 obs

○ 2026-03-16 04:08:10
○ 2026-05-10 16:24:40

○A188.127.239.1332017-04-09 → 2017-04-09 · 3 obs

● 2017-04-09 16:52:38
○ 2026-03-16 04:08:10
○ 2026-05-10 16:24:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net...	-
rusteacher.ru	ns1.smartape.ru, ns2.smartape.ru	2 records

✅ Authoritative Response

Server:188.127.239.202

NS records: ns1.smartape.ru, ns2.smartape.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rusteacher.ru (unsigned zone)

⏱️ Timing

Total: 3703ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`144.31.49.10`

📌 Glue Records Collected

Total: 2

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

Analysis

Mail Server Role

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

IP Addresses

mail.rusteacher.ru points to a single IP: 144.31.49.10.

Other host names, for instance patriot-karting.ru, alexoo.us, mail.sverdlovsk-er.ru, avinash.me and chrismyers.me share IP numbers with mail.rusteacher.ru.

mail.rusteacher.ru - robtex.com