studybook-e.com - dns.ninja

`studybook-e.com`

DNSSEC	⚠️ Not signed
A	159.89.224.36^{🇺🇸 DIGITALOCEAN159.89.224.0/20 DigitalOcean}
NS	`ns37.domaincontrol.com` ⭐
		A	2603:5:21c1::13^{🇺🇸 GODADDY-DNS2603:5:21c0::/44}
			PTR	`ns37.domaincontrol.com`
		A	97.74.108.19^{🇺🇸 GODADDY-DNS97.74.108.0/23}
			PTR	`ns37.domaincontrol.com`
NS	`ns38.domaincontrol.com`
		A	2603:5:22c1::13^{🇺🇸 GODADDY-DNS2603:5:22c0::/44}
			PTR	`ns38.domaincontrol.com`
		A	173.201.76.19^{🇺🇸 GODADDY-DNS173.201.76.0/23}
			PTR	`ns38.domaincontrol.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c17::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f26.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.googlemail.com`⁽¹⁰⁾
MX	`alt4.aspmx.l.googlemail.com`⁽¹⁰⁾
TXT	`google-site-verification=Xl_CBK1CzMrXeNd9gVBPFPVz1fgVDzFBIEdVj9BekQg`
TXT	`NETORGFT11080245.onmicrosoft.com`
SOA	`ns37.domaincontrol.com`dns@jomax.net 2024-01-05 #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=1782389480

Same first word

studybook-e.com

DNS History

14 records (8 active, 6 former)

●NSns37.domaincontrol.com2015-08-03 → 2026-06-25 · 2 obs

● 2015-08-03 01:40:32
● 2026-06-25 12:15:28

●NSns38.domaincontrol.com2015-08-03 → 2026-06-25 · 2 obs

● 2015-08-03 01:40:32
● 2026-06-25 12:15:28

●MXalt1.aspmx.l.google.com2026-05-15 → 2026-06-25 · 3 obs

○ 2017-03-23 19:09:20
● 2026-05-15 00:12:00
● 2026-06-25 12:15:28

●MXalt2.aspmx.l.google.com2026-05-15 → 2026-06-25 · 3 obs

○ 2017-03-23 19:09:20
● 2026-05-15 00:12:00
● 2026-06-25 12:15:28

●MXalt3.aspmx.l.googlemail.com2026-05-15 → 2026-06-25 · 3 obs

○ 2017-03-23 19:09:20
● 2026-05-15 00:12:00
● 2026-06-25 12:15:28

●MXalt4.aspmx.l.googlemail.com2026-05-15 → 2026-06-25 · 3 obs

○ 2017-03-23 19:09:20
● 2026-05-15 00:12:00
● 2026-06-25 12:15:28

●MXaspmx.l.google.com2026-05-15 → 2026-06-25 · 3 obs

○ 2017-03-23 19:09:20
● 2026-05-15 00:12:00
● 2026-06-25 12:15:28

○MXmail.munaonline.com2017-03-23 → 2017-03-23 · 4 obs

○ 2016-07-12 10:29:36
● 2017-03-23 19:09:20
○ 2026-05-15 00:12:00
○ 2026-06-25 12:15:28

○MXmail.spacelit.com2015-08-03 → 2016-07-12 · 4 obs

● 2015-08-03 01:40:32
● 2016-07-12 10:29:36
○ 2017-03-23 19:09:20
○ 2026-06-25 12:15:28

○MXsmtp.munaonline.com2017-03-23 → 2017-03-23 · 4 obs

○ 2016-07-12 10:29:36
● 2017-03-23 19:09:20
○ 2026-05-15 00:12:00
○ 2026-06-25 12:15:28

○MXsmtp.spacelit.com2015-08-03 → 2016-07-12 · 4 obs

● 2015-08-03 01:40:32
● 2016-07-12 10:29:36
○ 2017-03-23 19:09:20
○ 2026-06-25 12:15:28

○A108.170.107.2052015-08-03 → 2016-07-12 · 4 obs

● 2015-08-03 01:40:32
● 2016-07-12 10:29:36
○ 2017-03-23 19:09:20
○ 2026-06-25 12:15:28

○A108.53.66.762017-03-23 → 2017-03-23 · 4 obs

○ 2016-07-12 10:29:36
● 2017-03-23 19:09:20
○ 2026-05-15 00:12:00
○ 2026-06-25 12:15:28

●A159.89.224.362026-05-15 → 2026-06-25 · 3 obs

○ 2017-03-23 19:09:20
● 2026-05-15 00:12:00
● 2026-06-25 12:15:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
studybook-e.com	ns37.domaincontrol.com, ns38.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.76.19

NS records: ns37.domaincontrol.com, ns38.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studybook-e.com (unsigned zone)

⏱️ Timing

Total: 144ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`159.89.224.36`
NS	2	`ns37.domaincontrol.com, ns38.domaincontrol.com`
MX	5	`alt1.aspmx.l.google.com (pri: 5), alt2.aspmx.l.google.com (pri: 5)...`
TXT	2	`google-site-verification=Xl_CBK1CzMrXeNd, NETORGFT11080245.onmicrosoft.com`
SOA	1	`ns37.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns37.domaincontrol.com, ns37.domaincontrol.com, ns38.domaincontrol.com...)

Analysis

IP Addresses

studybook-e.com directs to one IP number, which is 159.89.224.36.

Name Servers

studybook-e.com is delegated to two name servers: ns37.domaincontrol.com and ns38.domaincontrol.com.

studybook-e.com has the same name server delegation as a number of other domains, such as sunilgreat.com, legallatitudes.com, uspltech.com and two more.

ns37.domaincontrol.com and ns38.domaincontrol.com each resolve to two IP addresses: ns37.domaincontrol.com points to 97.74.108.19 and 2603:5:21c1::13, while ns38.domaincontrol.com points to 173.201.76.19 and 2603:5:22c1::13.

Mail Servers

Five mail servers handle studybook-e.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

studybook-e.com shares at least some of its mail servers with other domains — for example valleytimes-news.com, vbi.vn, ligle.com.br and two more.

It is common to find these mail servers paired with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, alt3.aspmx.l.googlemail.com and 5 more.

aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com each resolve to two IP addresses: aspmx.l.google.com resolves to 64.233.180.27 and 2607:f8b0:4004:c17::1a; alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1b; alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1a.