`mail.school178.ru`

DNSSEC	⚠️ Not signed
A	178.237.201.247^{🇷🇺 CPOSO-AS178.237.201.0/24}
		PTR	`vh-node-3.smrhost.ru`

`school178.ru`

	DNSSEC	⚠️ Not signed
	A	178.237.201.247^{🇷🇺 CPOSO-AS178.237.201.0/24}
	NS	`ns1.cposo.ru` ⭐
	NS	`ns2.cposo.ru`
	MX	`mail.school178.ru`⁽²⁰⁾
	TXT	`v=spf1 ip4:178.237.201.245 a mx ~all`
	SOA	`ns1.cposo.ru`dns@cposo.ru 2020-10-31 #54

MX for

school178.ru

Same first word

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DNS History

2 records (1 active, 1 former)

●A178.237.201.2472026-03-21 → 2026-04-14 · 3 obs

○ 2019-12-24 14:04:24
● 2026-03-21 05:51:22
● 2026-04-14 10:47:52

○A62.213.11.2372019-12-24 → 2019-12-24 · 3 obs

● 2019-12-24 14:04:24
○ 2026-03-21 05:51:22
○ 2026-04-14 10:47:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
school178.ru	ns1.cposo.ru, ns2.cposo.ru	2 records

✅ Authoritative Response

Server:178.237.201.105

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for school178.ru (unsigned zone)

⏱️ Timing

Total: 962ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`178.237.201.247`

📌 Glue Records Collected

Total: 2

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

Analysis

Mail Server Role

mail.school178.ru handles mail for school178.ru.

IP Addresses

mail.school178.ru points to a single IP address: 178.237.201.247.

Other host names such as mbdou210.ru, school178.ru, mail.bgt-borskoe.ru, muz12.ru and mail.shkola-114.ru share IPs with mail.school178.ru.

mail.school178.ru - robtex.com