`centrallibrary.ru`

DNSSEC	⚠️ Not signed
A	80.87.199.139^{🇷🇺 RU-JSCIOT80.87.198.0/23}
		PTR	`rvller.fvds.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	`mail.centrallibrary.ru` ⭐
		A	80.87.199.139^{🇷🇺 RU-JSCIOT80.87.198.0/23}
			PTR	`rvller.fvds.ru`
SOA	`firstvds.ru`admin@centrallibrary.ru 2022-05-23 #0

`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=4069926

Subdomains

mail.centrallibrary.ru

Same first word

centrallibrary.ru

centrallibrary.info

centrallibrary.xyz

Similar names

librarycentral.com

DNS History

9 records (5 active, 4 former)

●NSfirstvds.ru2026-02-27 → 2026-08-09 · 3 obs

○ 2017-01-30 10:11:40
● 2026-02-27 07:29:44
● 2026-08-09 17:18:18

○NSns1.first-ns.de2015-06-05 → 2017-01-30 · 4 obs

● 2015-06-05 14:16:48
● 2017-01-30 10:11:40
○ 2026-02-27 07:29:44
○ 2026-08-09 17:18:18

●NSns1.firstvds.ru2026-02-27 → 2026-08-09 · 3 obs

○ 2017-01-30 10:11:40
● 2026-02-27 07:29:44
● 2026-08-09 17:18:18

●NSns2.firstvds.ru2026-02-27 → 2026-08-09 · 3 obs

○ 2017-01-30 10:11:40
● 2026-02-27 07:29:44
● 2026-08-09 17:18:18

○NSrobotns2.second-ns.de2015-06-05 → 2017-01-30 · 4 obs

● 2015-06-05 14:16:48
● 2017-01-30 10:11:40
○ 2026-02-27 07:29:44
○ 2026-08-09 17:18:18

○NSrobotns3.second-ns.com2015-06-05 → 2017-01-30 · 4 obs

● 2015-06-05 14:16:48
● 2017-01-30 10:11:40
○ 2026-02-27 07:29:44
○ 2026-08-09 17:18:18

●MXmail.centrallibrary.ru2015-06-05 → 2026-08-09 · 2 obs

● 2015-06-05 14:16:48
● 2026-08-09 17:18:18

●A80.87.199.1392026-02-27 → 2026-08-09 · 3 obs

○ 2017-01-30 10:11:40
● 2026-02-27 07:29:44
● 2026-08-09 17:18:18

○A88.198.91.1552015-06-05 → 2017-01-30 · 4 obs

● 2015-06-05 14:16:48
● 2017-01-30 10:11:40
○ 2026-02-27 07:29:44
○ 2026-08-09 17:18:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net...	-
centrallibrary.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 centrallibrary.ru (unsigned zone)

⏱️ Timing

Total: 879ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`80.87.199.139`
NS	2	`ns2.firstvds.ru, ns1.firstvds.ru`
MX	2	`mail.centrallibrary.ru (pri: 10), mail.centrallibrary.ru (pri: 20)`
SOA	1	`firstvds.ru admin.centrallibrary.ru`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

centrallibrary.ru is a parent domain of mail.centrallibrary.ru.

IP Addresses

centrallibrary.ru has exactly one IP address — 80.87.199.139.

mail.centrallibrary.ru, for instance, is one of the other host names sharing IP numbers with centrallibrary.ru.

Name Servers

The authoritative name servers for centrallibrary.ru are firstvds.ru, ns1.firstvds.ru and ns2.firstvds.ru — three in total.

centrallibrary.ru shares at least some of its name servers with other domains, including gruzchiki-zhukovsky.ru, cresca.ru, rucal.ru and two others.

These name servers are frequently paired with the name servers ns1.example.com, ns2.example.com and vm6.template.

Host names pointing to two IP addresses:

ns1.firstvds.ru directs traffic to 82.146.43.2 and 2a01:230:2:74::3.

ns2.firstvds.ru directs traffic to 94.250.248.160 and 2a01:230:2:75::3.

Host names resolving to a single IP address:

firstvds.ru has the IP address 37.230.118.233.

Mail Servers

centrallibrary.ru uses one mail server — mail.centrallibrary.ru.

mail.centrallibrary.ru directs to just one IP number, 80.87.199.139.

centrallibrary.ru - robtex.com