rt-tools.ru - dns.ninja

`rt-tools.ru`

DNSSEC	⚠️ Not signed
A	91.107.122.54^{🇬🇧 RU-JSCIOT91.107.120.0/21}
		PTR	`rt-tools.ru`
NS	`firstvds.ru` ⭐
		A	37.230.118.233^{🇷🇺 RU-JSCIOT37.230.118.0/23}
			PTR	`firstvds.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	`mx.yandex.net` ⭐
		A	2a02:6b8::311^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
		A	77.88.21.249^{🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
TXT	`v=spf1 redirect=_spf.yandex.net`
SOA	`firstvds.ru`tech@firstvds.ru 2024-04-02 #5

`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=4069940

PTR for

54.122.107.91.in-addr.arpa

Previously NS for

rt-tools.ru

Same first word

rt-tools.ru

Similar names

tr-tools.com

rst-tool.net

stl-orto.ru

tr-tools.de

DNS History

10 records (5 active, 5 former)

●NSfirstvds.ru2026-07-09 → 2026-08-10 · 3 obs

○ 2020-03-12 00:59:06
● 2026-07-09 11:13:02
● 2026-08-10 19:57:00

○NSns1.example.com2020-03-12 → 2020-03-12 · 3 obs

● 2020-03-12 00:59:06
○ 2026-07-09 11:13:02
○ 2026-08-10 19:57:00

●NSns1.firstvds.ru2026-07-09 → 2026-08-10 · 3 obs

○ 2020-03-12 00:59:06
● 2026-07-09 11:13:02
● 2026-08-10 19:57:00

○NSns2.example.com2020-03-12 → 2020-03-12 · 3 obs

● 2020-03-12 00:59:06
○ 2026-07-09 11:13:02
○ 2026-08-10 19:57:00

●NSns2.firstvds.ru2026-07-09 → 2026-08-10 · 3 obs

○ 2020-03-12 00:59:06
● 2026-07-09 11:13:02
● 2026-08-10 19:57:00

○NSrt-tools.ru2020-03-12 → 2020-03-12 · 3 obs

● 2020-03-12 00:59:06
○ 2026-07-09 11:13:02
○ 2026-08-10 19:57:00

●MXmx.yandex.net2020-03-12 → 2026-08-10 · 2 obs

● 2020-03-12 00:59:06
● 2026-08-10 19:57:00

○A134.0.112.2202020-03-12 → 2020-03-12 · 3 obs

● 2020-03-12 00:59:06
○ 2026-07-09 11:13:02
○ 2026-08-10 19:57:00

○A2a00:f940:1:1:2::41e2020-03-12 → 2020-03-12 · 3 obs

● 2020-03-12 00:59:06
○ 2026-07-09 11:13:02
○ 2026-08-10 19:57:00

●A91.107.122.542026-07-09 → 2026-08-10 · 3 obs

○ 2020-03-12 00:59:06
● 2026-07-09 11:13:02
● 2026-08-10 19:57:00

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:82.146.43.2

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rt-tools.ru (unsigned zone)

⏱️ Timing

Total: 877ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.107.122.54`
NS	2	`ns1.firstvds.ru, ns2.firstvds.ru`
MX	1	`mx.yandex.net (pri: 10)`
TXT	1	`v=spf1 redirect=_spf.yandex.net`
SOA	1	`firstvds.ru tech.firstvds.ru`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

rt-tools.ru has exactly one IP address — 91.107.122.54.

Name Servers

DNS for rt-tools.ru is handled by three authoritative name servers: firstvds.ru, ns1.firstvds.ru and ns2.firstvds.ru.

There is at least partial name server overlap between rt-tools.ru and other domains — liteinnfo.ru, tsn-service.ru, aboutfirm.ru and two more among them.

These name servers tend to appear in combination with the name servers ns1.example.com, ns2.example.com, eorhelp.ru and gorod-anapa.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:

firstvds.ru directs to 37.230.118.233.

Mail Servers

rt-tools.ru uses one mail server — mx.yandex.net.

The mail server setup of rt-tools.ru matches that of other domains such as markiza.su, klenmarket.kz, cdvpodarok.ru and two others.

At least some of the mail servers used by rt-tools.ru are shared with other domains: phpfox.net, www.rag4.com, yadv.ru and two others among them.

mx.yandex.net carries two IP numbers: 77.88.21.249 and 2a02:6b8::311.