`rus-lib.ru`

DNSSEC	⚠️ Not signed
A	194.147.107.27^{🇷🇺 SYNERGY-AS194.147.107.0/24}
		PTR	`1001ticket.org`
		PTR	`lb.ssadm.org`
NS	`ns1.dnsynergy.org` ⭐
		A	194.147.107.33^{🇷🇺 SYNERGY-AS194.147.107.0/24}
			PTR	`ns1.ssadm.org`
NS	`ns1.mastertel.ru`
		A	2a00:be00:0:1::1^{🇷🇺 MASTERTEL-AS2a00:be00::/29}
			PTR	`ns1.mastertel.ru`
		A	217.67.178.162^{🇷🇺 MASTERTEL-AS217.67.176.0/20 Mastertel ISP}
			PTR	`ns1.mastertel.ru`
NS	`ns2.dnsynergy.org` ⚠️ Not in parent delegation
		A	194.147.107.32^{🇷🇺 SYNERGY-AS194.147.107.0/24}
NS	`ns4.mastertel.ru`
		A	2a00:be00:0:1::e^{🇷🇺 MASTERTEL-AS2a00:be00::/29}
			PTR	`ns4.mastertel.ru`
		A	178.238.117.126^{🇷🇺 MASTERTEL-AS178.238.112.0/20 Mastertel ISP}
			PTR	`ns4.mastertel.ru`
SOA	`ns1.dnsynergy.org`to@mifp.ru 2005-11-20 #8

`ru`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=4068822

WOT: SAFE (89/100)

Same first word

rus-lib.ru

Similar names

bi-urls.herokuapp.com

DNS History

6 records (5 active, 1 former)

●NSns1.dnsynergy.org2015-08-22 → 2026-05-10 · 2 obs

● 2015-08-22 09:24:38
● 2026-05-10 11:03:46

●NSns1.mastertel.ru2026-03-30 → 2026-05-10 · 3 obs

○ 2015-08-22 09:24:38
● 2026-03-30 03:11:08
● 2026-05-10 11:03:46

●NSns2.dnsynergy.org2015-08-22 → 2026-05-10 · 2 obs

● 2015-08-22 09:24:38
● 2026-05-10 11:03:46

●NSns4.mastertel.ru2026-03-30 → 2026-05-10 · 3 obs

○ 2015-08-22 09:24:38
● 2026-03-30 03:11:08
● 2026-05-10 11:03:46

●A194.147.107.272026-03-30 → 2026-05-10 · 3 obs

○ 2017-01-29 04:03:08
● 2026-03-30 03:11:08
● 2026-05-10 11:03:46

○A91.212.151.642015-08-22 → 2017-01-29 · 4 obs

● 2015-08-22 09:24:38
● 2017-01-29 04:03:08
○ 2026-03-30 03:11:08
○ 2026-05-10 11:03:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	b.dns.ripn.net, f.dns.ripn.net, d.dns.ripn.net, a.dns.ripn.net...	-
rus-lib.ru	ns4.mastertel.ru, ns1.dnsynergy.org, ns1.mastertel.ru	1 record

✅ Authoritative Response

Server:178.238.117.126

NS records: ns4.mastertel.ru, ns1.dnsynergy.org, ns1.mastertel.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rus-lib.ru (unsigned zone)

⏱️ Timing

Total: 3148ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`194.147.107.27`
NS	4	`ns1.dnsynergy.org, ns1.mastertel.ru...`
SOA	1	`ns1.dnsynergy.org to.mifp.ru`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns1.mastertel.ru)

Analysis

IP Addresses

rus-lib.ru resolves to a single IP: 194.147.107.27.

Other host names, for instance openti.ru, ntbsoft.com, universitetsadovodov.ru, www.synergyfuture.ru and synergyforum.ru share IP numbers with rus-lib.ru.

Name Servers

rus-lib.ru is delegated to four name servers: ns1.dnsynergy.org, ns2.dnsynergy.org, ns1.mastertel.ru and ns4.mastertel.ru.

rus-lib.ru shares some name servers with other domains, for example 205.69.83.in-addr.arpa, synergy.institute, synergymanagement.ru, 92.115.185.in-addr.arpa and mifp.ru.

These name servers are commonly used together with ns3.mastertel.ru and ns1.ssadm.org.

Host names with two IP numbers: ns1.mastertel.ru points to: 2a00:be00:0:1::1 and 217.67.178.162; ns4.mastertel.ru points to: 2a00:be00:0:1::e and 178.238.117.126.

Host names with one IP number: ns1.dnsynergy.org points to: 194.147.107.33; ns2.dnsynergy.org points to: 194.147.107.32.

rus-lib.ru - robtex.com

rus-lib.ru

ru