schoolstd.ru - dns.ninja

`schoolstd.ru`

DNSSEC	⚠️ Not signed
A	149.154.71.109^{🇷🇺 RU-JSCIOT149.154.70.0/23}
		PTR	`idatamp.fvds.ru`
NS	`idatamp.fvds.ru` ⭐
		A	45.150.10.119^{🇷🇺 RU-JSCIOT45.150.8.0/22}
			PTR	`idatamp.fvds.ru`
NS	`ns1.firstvds.ru`
		A	2a01:230:2:74::3^{🇷🇺 RU-JSCIOT2a01:230:2::/48}
		A	82.146.43.2^{🇷🇺 RU-JSCIOT82.146.40.0/21}
			PTR	`ns1.firstvds.ru`
NS	`ns2.firstvds.ru`
		A	2a01:230:2:75::3^{🇷🇺 RU-JSCIOT2a01:230:2::/48}
		A	94.250.248.160^{🇷🇺 RU-JSCIOT94.250.248.0/23}
			PTR	`ns2.firstvds.ru`
MX	`mail.schoolstd.ru`⁽²⁰⁾
		A	45.150.10.119^{🇷🇺 RU-JSCIOT45.150.8.0/22}
			PTR	`idatamp.fvds.ru`
TXT	`v=spf1 ip4:45.150.10.119 a mx ~all`
SOA	`idatamp.fvds.ru`root@idatamp.fvds.ru 2026-01-21 #8

`ru`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`c.tld-servers.ru`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=4069911

Subdomains

mail.schoolstd.ru

Same first word

schoolstd.ru

Similar names

coldshots.ca

dtschools.org

coldshots.com

tdschools.org

tdsschool.ru

tdschools.com

dstschool.com

DNS History

14 records (5 active, 9 former)

●NSidatamp.fvds.ru2026-03-27 → 2026-08-08 · 3 obs

○ 2017-05-25 14:28:10
● 2026-03-27 14:14:04
● 2026-08-08 10:52:36

○NSns.stdrf.com2016-04-23 → 2017-05-25 · 5 obs

○ 2016-02-03 14:46:32
● 2016-04-23 12:59:46
● 2017-05-25 14:28:10
○ 2026-03-27 14:14:04
○ 2026-08-08 10:52:36

○NSns.stdtur.ru2016-04-23 → 2017-05-25 · 5 obs

○ 2016-02-03 14:46:32
● 2016-04-23 12:59:46
● 2017-05-25 14:28:10
○ 2026-03-27 14:14:04
○ 2026-08-08 10:52:36

●NSns1.firstvds.ru2026-03-27 → 2026-08-08 · 3 obs

○ 2017-05-25 14:28:10
● 2026-03-27 14:14:04
● 2026-08-08 10:52:36

○NSns1.hostfabrica.ru2015-06-29 → 2016-02-03 · 4 obs

● 2015-06-29 16:41:12
● 2016-02-03 14:46:32
○ 2016-04-23 12:59:46
○ 2026-08-08 10:52:36

●NSns2.firstvds.ru2026-03-27 → 2026-08-08 · 3 obs

○ 2017-05-25 14:28:10
● 2026-03-27 14:14:04
● 2026-08-08 10:52:36

○NSns2.hostfabrica.ru2015-06-29 → 2016-02-03 · 4 obs

● 2015-06-29 16:41:12
● 2016-02-03 14:46:32
○ 2016-04-23 12:59:46
○ 2026-08-08 10:52:36

○NSschoolstd.ru.schoolstd.ru2016-04-23 → 2017-05-25 · 5 obs

○ 2016-02-03 14:46:32
● 2016-04-23 12:59:46
● 2017-05-25 14:28:10
○ 2026-03-27 14:14:04
○ 2026-08-08 10:52:36

●MXmail.schoolstd.ru2026-03-27 → 2026-08-08 · 3 obs

○ 2017-05-25 14:28:10
● 2026-03-27 14:14:04
● 2026-08-08 10:52:36

○MXmail.stdrf.ru2016-04-23 → 2017-05-25 · 5 obs

○ 2016-02-03 14:46:32
● 2016-04-23 12:59:46
● 2017-05-25 14:28:10
○ 2026-03-27 14:14:04
○ 2026-08-08 10:52:36

○MXmxs.hostfabrica.ru2015-06-29 → 2016-02-03 · 4 obs

● 2015-06-29 16:41:12
● 2016-02-03 14:46:32
○ 2016-04-23 12:59:46
○ 2026-08-08 10:52:36

●A149.154.71.1092026-03-27 → 2026-08-08 · 3 obs

○ 2017-05-25 14:28:10
● 2026-03-27 14:14:04
● 2026-08-08 10:52:36

○A80.93.50.112015-06-29 → 2015-11-05 · 4 obs

● 2015-06-29 16:41:12
● 2015-11-05 06:24:00
○ 2016-02-03 14:46:32
○ 2026-08-08 10:52:36

○A80.93.53.2342016-02-03 → 2017-05-25 · 5 obs

○ 2015-11-05 06:24:00
● 2016-02-03 14:46:32
● 2017-05-25 14:28:10
○ 2026-03-27 14:14:04
○ 2026-08-08 10:52:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net...	-
schoolstd.ru	ns2.firstvds.ru, ns1.firstvds.ru	2 records

✅ Authoritative Response

Server:82.146.43.2

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for schoolstd.ru (unsigned zone)

⏱️ Timing

Total: 712ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`149.154.71.109`
NS	2	`ns2.firstvds.ru, ns1.firstvds.ru`
MX	2	`mail.schoolstd.ru (pri: 20), mail.schoolstd.ru (pri: 10)`
TXT	1	`v=spf1 ip4:45.150.10.119 a mx ~all`
SOA	1	`idatamp.fvds.ru root.idatamp.fvds.ru`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

mail.schoolstd.ru is delegated beneath schoolstd.ru.

IP Addresses

schoolstd.ru has exactly one IP address — 149.154.71.109.

Further host names like delcont.ru and jourclub.ru overlap in IP numbers with schoolstd.ru.

Name Servers

DNS for schoolstd.ru is handled by three authoritative name servers: ns1.firstvds.ru, ns2.firstvds.ru and idatamp.fvds.ru.

There is at least partial name server overlap between schoolstd.ru and other domains — fanmaster.ru, viktorg.ru, fe-ltd.ru and two more among them.

These name servers tend to appear in combination with the name servers firstvds.ru, ns1.example.com, ns2.example.com and malexv872.fvds.ru.

Host names pointing to two IP addresses:

ns1.firstvds.ru has two IP addresses: 82.146.43.2 and 2a01:230:2:74::3.

ns2.firstvds.ru has two IP addresses: 94.250.248.160 and 2a01:230:2:75::3.

Host names resolving to a single IP address:

idatamp.fvds.ru directs to 45.150.10.119.

Mail Servers

schoolstd.ru uses one mail server — mail.schoolstd.ru.

mail.schoolstd.ru has exactly one IP number: 45.150.10.119.