`greenbookstudies.com`

DNSSEC	⚠️ Not signed
A	195.161.114.253^{🇷🇺 RTCOMM-AS195.161.0.0/16 RTCOMM-RU}
		PTR	`srv36-h-st.jino.ru`
NS	`ns1.jino.ru` ⭐
		A	217.107.34.200^{🇷🇺 RTCOMM-AS217.107.0.0/18 RTCOMM-RU}
			PTR	`ns1.jino.ru`
NS	`ns2.jino.ru`
		A	2001:1bb0:e000:1e::917^{🇷🇺 RTCOMM-AS2001:1bb0::/32 RTCOMM-RU}
			PTR	`ns2.jino.ru`
		A	195.161.62.86^{🇷🇺 RTCOMM-AS195.161.0.0/16 RTCOMM-RU}
			PTR	`ns2.jino.ru`
NS	`ns3.jino.ru` ⚠️ Not in parent delegation
		A	217.107.219.170^{🇷🇺 RTCOMM-AS217.107.208.0/20 RTCOMM-RU}
			PTR	`ns3.jino.ru`
NS	`ns4.jino.ru` ⚠️ Not in parent delegation
		A	2001:1bb0:e000:1e::1cd^{🇷🇺 RTCOMM-AS2001:1bb0::/32 RTCOMM-RU}
		A	81.177.139.205^{🇷🇺 RTCOMM-AS81.177.128.0/19 RTCOMM-RU}
			PTR	`ns4.jino.ru`
MX	`mail.greenbookstudies.com` ⭐
		A	217.107.34.202^{🇷🇺 RTCOMM-AS217.107.0.0/18 RTCOMM-RU}
			PTR	`srv70-mx-st.jino.ru`
SOA	`ns1.jino.ru`hostmaster@jino@ru 2015-02-16 #1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1780891996

WOT: SAFE (78/100)

Subdomains

mail.greenbookstudies.com

DNS History

8 records (6 active, 2 former)

●NSns1.jino.ru2015-08-17 → 2026-06-08 · 5 obs

● 2015-08-17 08:48:38
● 2020-02-22 15:29:20
○ 2026-02-23 09:10:22
● 2026-06-08 04:28:08
● 2026-06-08 04:28:12

●NSns2.jino.ru2015-08-17 → 2026-06-08 · 5 obs

● 2015-08-17 08:48:38
● 2020-02-22 15:29:20
○ 2026-02-23 09:10:22
● 2026-06-08 04:28:08
● 2026-06-08 04:28:12

●NSns3.jino.ru2015-08-17 → 2026-06-08 · 5 obs

● 2015-08-17 08:48:38
● 2020-02-22 15:29:20
○ 2026-02-23 09:10:22
● 2026-06-08 04:28:08
● 2026-06-08 04:28:12

●NSns4.jino.ru2015-08-17 → 2026-06-08 · 5 obs

● 2015-08-17 08:48:38
● 2020-02-22 15:29:20
○ 2026-02-23 09:10:22
● 2026-06-08 04:28:08
● 2026-06-08 04:28:12

●MXmail.greenbookstudies.com2015-08-17 → 2026-06-08 · 5 obs

● 2015-08-17 08:48:38
● 2020-02-22 15:29:20
○ 2026-02-23 09:10:22
● 2026-06-08 04:28:08
● 2026-06-08 04:28:12

●A195.161.114.2532026-06-08 → 2026-06-08 · 3 obs

○ 2026-02-23 09:10:22
● 2026-06-08 04:28:08
● 2026-06-08 04:28:12

○A81.177.135.612015-08-17 → 2017-03-20 · 4 obs

● 2015-08-17 08:48:38
● 2017-03-20 21:11:18
○ 2020-02-22 15:29:20
○ 2026-06-08 04:28:12

○A81.177.140.1322020-02-22 → 2020-02-22 · 4 obs

○ 2017-03-20 21:11:18
● 2020-02-22 15:29:20
○ 2026-02-23 09:10:22
○ 2026-06-08 04:28:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
greenbookstudies.com	ns1.jino.ru, ns2.jino.ru	-

✅ Authoritative Response

Server:217.107.34.200

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for greenbookstudies.com (unsigned zone)

⏱️ Timing

Total: 789ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`195.161.114.253`
NS	4	`ns2.jino.ru, ns4.jino.ru...`
MX	1	`mail.greenbookstudies.com (pri: 5)`
SOA	1	`ns1.jino.ru hostmaster@jino.ru`

Analysis

Hierarchy

greenbookstudies.com is the parent zone for mail.greenbookstudies.com.

IP Addresses

greenbookstudies.com has exactly one IP address — 195.161.114.253.

sng.su, genset.expert, www.president.world plus two other host names have IP numbers in common with greenbookstudies.com.

Name Servers

Authority for greenbookstudies.com is delegated across 4 name servers: ns1.jino.ru, ns2.jino.ru, ns3.jino.ru and ns4.jino.ru.

greenbookstudies.com partially shares its NS delegation with several other domains, including airtorque.ru, sarinv.ru, xn--80aaaogqxgcfk1afigx5g5c.xn--p1ai and two others.

These name servers often co-occur with the name servers ns.jino.ru.

Host names pointing to two IP addresses:

ns2.jino.ru resolves to two addresses: 195.161.62.86 and 2001:1bb0:e000:1e::917.

ns4.jino.ru resolves to two addresses: 81.177.139.205 and 2001:1bb0:e000:1e::1cd.

Host names with one IP number:

The hostname ns1.jino.ru resolves to 217.107.34.200.

The hostname ns3.jino.ru resolves to 217.107.219.170.

Mail Servers

greenbookstudies.com uses one mail server — mail.greenbookstudies.com.

mail.greenbookstudies.com carries a single IP number, which is 217.107.34.202.

greenbookstudies.com - robtex.com