itstudyhub.com - dns.ninja

`itstudyhub.com`

DNSSEC	⚠️ Not signed
A	18.208.88.157^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
		PTR	`ec2-18-208-88-157.compute-1.amazonaws.com`
A	98.84.224.111^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
NS	`dns1.p01.nsone.net` ⭐
		A	2620:4d:4000:6259:7:1:0:1^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns1.p01.nsone.net`
		A	198.51.44.1^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns1.p01.nsone.net`
NS	`dns1.p09.nsone.net`
		A	2620:4d:4000:6259:7:9:0:1^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns1.p09.nsone.net`
			PTR	`ns4.demysdns.co.uk`
		A	198.51.44.9^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns1.p09.nsone.net`
			PTR	`ns4.demysdns.co.uk`
NS	`dns2.p09.nsone.net`
		A	2a00:edc0:6259:7:9::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p09.nsone.net`
			PTR	`ns5.demysdns.co.uk`
		A	198.51.45.9^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns2.p09.nsone.net`
			PTR	`ns5.demysdns.co.uk`
NS	`dns3.p09.nsone.net` ⚠️ Not in parent delegation
		A	2620:4d:4000:6259:7:9:0:3^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns3.p09.nsone.net`
			PTR	`ns6.demysdns.co.uk`
		A	198.51.44.73^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns3.p09.nsone.net`
			PTR	`ns6.demysdns.co.uk`
NS	`dns4.p09.nsone.net` ⚠️ Not in parent delegation
		A	2a00:edc0:6259:7:9::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`ns7.demysdns.com`
			PTR	`dns4.p09.nsone.net`
		A	198.51.45.73^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`ns7.demysdns.com`
			PTR	`dns4.p09.nsone.net`
MX	`itstudyhub-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::7^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr02cu00107.inbound.protection.outlook.com`
		A	2a01:111:f403:c922::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr02cu00702.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm5pr04cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:f90d::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
		A	40.93.192.4^{🇺🇸 Microsoft40.80.0.0/12}
			PTR	`mail-dm2pr04cu00404.inbound.protection.outlook.com`
		A	52.101.10.5^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr04cu00105.inbound.protection.outlook.com`
		A	52.101.42.14^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mw2pr04cu00106.inbound.protection.outlook.com`
		A	52.101.42.16^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr05cu00300.inbound.protection.outlook.com`
TXT	`v=spf1 include:_spf-usg2.ppe-hosted.com include:secureserver.net ~all`
TXT	`NETORG19803225.onmicrosoft.com`
SOA	`dns1.p01.nsone.net`domains+netlify@netlify.com serial=1760409563

`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=1786620339

Same first word

itstudyhub.com

DNS History

15 records (8 active, 7 former)

●NSdns1.p01.nsone.net2026-02-15 → 2026-08-13 · 3 obs

○ 2019-12-16 15:05:16
● 2026-02-15 19:54:04
● 2026-08-13 11:44:16

●NSdns1.p09.nsone.net2026-02-15 → 2026-08-13 · 3 obs

○ 2019-12-16 15:05:16
● 2026-02-15 19:54:04
● 2026-08-13 11:44:16

●NSdns2.p09.nsone.net2026-02-15 → 2026-08-13 · 3 obs

○ 2019-12-16 15:05:16
● 2026-02-15 19:54:04
● 2026-08-13 11:44:16

●NSdns3.p09.nsone.net2026-02-15 → 2026-08-13 · 3 obs

○ 2019-12-16 15:05:16
● 2026-02-15 19:54:04
● 2026-08-13 11:44:16

●NSdns4.p09.nsone.net2026-02-15 → 2026-08-13 · 3 obs

○ 2019-12-16 15:05:16
● 2026-02-15 19:54:04
● 2026-08-13 11:44:16

○NSf1g1ns1.dnspod.net2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 15:05:16
○ 2026-02-15 19:54:04
○ 2026-08-13 11:44:16

○NSf1g1ns2.dnspod.net2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 15:05:16
○ 2026-02-15 19:54:04
○ 2026-08-13 11:44:16

●MXitstudyhub-com.mail.protection.outlook.com2026-02-15 → 2026-08-13 · 2 obs

● 2026-02-15 19:54:04
● 2026-08-13 11:44:16

○A123.206.116.1132019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 15:05:16
○ 2026-02-15 19:54:04
○ 2026-08-13 11:44:16

○A13.52.188.952026-02-15 → 2026-06-11 · 22 obs

○ 2019-12-16 15:05:16
● 2026-02-15 19:54:04
○ 2026-02-17 01:12:20
● 2026-02-17 06:20:34
○ 2026-02-20 11:36:06
● 2026-02-21 03:52:52
● 2026-02-27 12:03:16
○ 2026-03-01 23:55:44
○ 2026-03-16 18:50:56
● 2026-03-17 04:02:22
● 2026-03-19 02:34:02
○ 2026-03-20 05:11:54
○ 2026-04-02 23:20:22
● 2026-04-10 17:35:56
○ 2026-04-13 17:11:30
○ 2026-05-06 02:45:24
● 2026-05-06 07:33:28
○ 2026-05-11 11:57:08
○ 2026-06-09 22:22:44
● 2026-06-11 02:13:48
○ 2026-06-11 06:51:28
○ 2026-08-13 11:44:16

●A18.208.88.1572026-02-17 → 2026-08-13 · 39 obs

○ 2026-02-15 19:54:04
● 2026-02-17 01:12:20
○ 2026-02-17 06:20:34
● 2026-02-20 11:36:06
○ 2026-02-21 03:52:52
○ 2026-03-13 05:34:08
● 2026-03-14 21:31:52
● 2026-03-16 18:50:56
○ 2026-03-17 04:02:22
○ 2026-03-25 13:50:20
● 2026-04-02 23:20:22
○ 2026-04-10 17:35:56
○ 2026-04-13 17:11:30
● 2026-04-17 19:17:20
● 2026-04-21 12:05:48
○ 2026-04-23 08:02:26
● 2026-04-28 13:27:26
○ 2026-04-29 10:05:18
○ 2026-04-30 18:12:26
● 2026-05-02 10:06:44
● 2026-05-06 02:45:24
○ 2026-05-06 07:33:28
● 2026-05-11 11:57:08
● 2026-05-13 20:32:00
○ 2026-05-13 21:41:50
● 2026-05-20 19:36:46
● 2026-05-30 21:20:32
○ 2026-05-31 07:54:34
● 2026-06-01 03:32:28
● 2026-06-06 03:11:56
○ 2026-06-07 06:37:18
● 2026-06-07 10:25:42
● 2026-06-08 16:47:04
○ 2026-06-09 22:22:44
○ 2026-06-11 02:13:48
● 2026-06-11 06:51:28
○ 2026-06-11 18:36:44
● 2026-08-13 11:44:14
● 2026-08-13 11:44:16

○A35.157.26.1352026-03-01 → 2026-06-11 · 33 obs

○ 2026-02-27 12:03:16
● 2026-03-01 23:55:44
● 2026-03-13 05:34:08
○ 2026-03-14 21:31:52
○ 2026-03-19 02:34:02
● 2026-03-20 05:11:54
● 2026-03-25 13:50:20
○ 2026-04-02 23:20:22
○ 2026-04-10 17:35:56
● 2026-04-13 17:11:30
○ 2026-04-17 19:17:20
○ 2026-04-21 12:05:48
● 2026-04-23 08:02:26
○ 2026-04-28 13:27:26
● 2026-04-29 10:05:18
● 2026-04-30 18:12:26
○ 2026-05-02 10:06:44
○ 2026-05-13 20:32:00
● 2026-05-13 21:41:50
○ 2026-05-20 19:36:46
○ 2026-05-30 21:20:32
● 2026-05-31 07:54:34
○ 2026-06-01 03:32:28
○ 2026-06-06 03:11:56
● 2026-06-07 06:37:18
○ 2026-06-07 10:25:42
○ 2026-06-08 16:47:04
● 2026-06-09 22:22:44
○ 2026-06-11 02:13:48
○ 2026-06-11 06:51:28
● 2026-06-11 18:36:44
○ 2026-08-13 11:44:14
○ 2026-08-13 11:44:16

○A52.52.192.1912026-02-15 → 2026-06-11 · 22 obs

○A63.176.8.2182026-03-01 → 2026-06-11 · 33 obs

●A98.84.224.1112026-02-17 → 2026-08-13 · 39 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net...	-
itstudyhub.com	dns1.p09.nsone.net, dns2.p09.nsone.net	-

✅ Authoritative Response

Server:198.51.45.9

NS records: dns1.p09.nsone.net, dns2.p09.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for itstudyhub.com (unsigned zone)

⏱️ Timing

Total: 325ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`18.208.88.157, 98.84.224.111`
NS	4	`dns1.p09.nsone.net, dns2.p09.nsone.net...`
MX	1	`itstudyhub-com.mail.protection.outlook.c`
TXT	2	`v=spf1 include:_spf-usg2.ppe-hosted.com , NETORG19803225.onmicrosoft.com`
SOA	1	`dns1.p01.nsone.net domains+netlify.netli`

Analysis

IP Addresses

itstudyhub.com directs to two IP numbers, 18.208.88.157 and 98.84.224.111

kata-log.rocks, playstream.gg, vincentroman.com and two other host names share IP numbers with itstudyhub.com.

Name Servers

itstudyhub.com has five name servers, which are dns1.p01.nsone.net, dns1.p09.nsone.net, dns2.p09.nsone.net and two others.

itstudyhub.com partially shares its NS delegation with several other domains, including antidouleurjjconsumer.be, ngrfilms.com, safesleep.info and two others.

In DNS configurations, these name servers often share authority with dns3.p09.nsone.net, dns4.p09.nsone.net, ns0004.secondary.cloudflare.com and 7 other name servers.

Hostnames that resolve to two IP addresses:

dns1.p01.nsone.net has two IP addresses: 198.51.44.1 and 2620:4d:4000:6259:7:1:0:1.

dns1.p09.nsone.net has two IP addresses: 198.51.44.9 and 2620:4d:4000:6259:7:9:0:1.

dns2.p09.nsone.net has two IP addresses: 198.51.45.9 and 2a00:edc0:6259:7:9::2.

dns3.p09.nsone.net has two IP addresses: 198.51.44.73 and 2620:4d:4000:6259:7:9:0:3.

dns4.p09.nsone.net has two IP addresses: 198.51.45.73 and 2a00:edc0:6259:7:9::4.

Mail Servers

Mail for itstudyhub.com is handled by a single mail server, itstudyhub-com.mail.protection.outlook.com.

itstudyhub-com.mail.protection.outlook.com resolves to 8 IP addresses — 40.93.192.4, 52.101.10.5, 52.101.42.14 and 5 others.