contentstudies.com - dns.ninja

`contentstudies.com`

DNSSEC	⚠️ Not signed
A	192.81.209.137^{🇺🇸 DIGITALOCEAN192.81.208.0/21 DigitalOcean}
		PTR	`suporte.referenciaseguros.com.br`
NS	`ns-1371.awsdns-43.org` ⭐
		A	2600:9000:5305:5b00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1371.awsdns-43.org`
		A	205.251.197.91^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1371.awsdns-43.org`
NS	`ns-2037.awsdns-62.co.uk`
		A	2600:9000:5307:f500::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-2037.awsdns-62.co.uk`
		A	205.251.199.245^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2037.awsdns-62.co.uk`
NS	`ns-483.awsdns-60.com`
		A	2600:9000:5301:e300::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-483.awsdns-60.com`
		A	205.251.193.227^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-483.awsdns-60.com`
NS	`ns-736.awsdns-28.net`
		A	2600:9000:5302:e000::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-736.awsdns-28.net`
		A	205.251.194.224^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-736.awsdns-28.net`
MX	`contentstudies-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::e^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db8pr02cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::7^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
		A	52.101.68.5^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du2pr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.25^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db8pr02cu00101.inbound.protection.outlook.com`
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
		A	52.101.73.15^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com include:prospecto.io ~all`
SOA	`ns-1371.awsdns-43.org`awsdns-hostmaster@amazon.com serial=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=1782901596

Subdomains

document.contentstudies.com

Same first word

contentstudies.co

contentstudies.net

contentstudies.com

DNS History

11 records (6 active, 5 former)

●NSns-1371.awsdns-43.org2020-03-06 → 2026-07-01 · 3 obs

○ 2019-04-04 03:33:40
● 2020-03-06 14:30:38
● 2026-07-01 10:40:32

○NSns-1378.awsdns-44.org2019-04-04 → 2019-04-04 · 3 obs

● 2019-04-04 03:33:40
○ 2020-03-06 14:30:38
○ 2026-07-01 10:40:32

○NSns-1946.awsdns-51.co.uk2019-04-04 → 2019-04-04 · 3 obs

● 2019-04-04 03:33:40
○ 2020-03-06 14:30:38
○ 2026-07-01 10:40:32

●NSns-2037.awsdns-62.co.uk2020-03-06 → 2026-07-01 · 3 obs

○ 2019-04-04 03:33:40
● 2020-03-06 14:30:38
● 2026-07-01 10:40:32

○NSns-386.awsdns-48.com2019-04-04 → 2019-04-04 · 3 obs

● 2019-04-04 03:33:40
○ 2020-03-06 14:30:38
○ 2026-07-01 10:40:32

●NSns-483.awsdns-60.com2020-03-06 → 2026-07-01 · 3 obs

○ 2019-04-04 03:33:40
● 2020-03-06 14:30:38
● 2026-07-01 10:40:32

○NSns-735.awsdns-27.net2019-04-04 → 2019-04-04 · 3 obs

● 2019-04-04 03:33:40
○ 2020-03-06 14:30:38
○ 2026-07-01 10:40:32

●NSns-736.awsdns-28.net2020-03-06 → 2026-07-01 · 3 obs

○ 2019-04-04 03:33:40
● 2020-03-06 14:30:38
● 2026-07-01 10:40:32

●MXcontentstudies-com.mail.protection.outlook.com2020-03-06 → 2026-07-01 · 2 obs

● 2020-03-06 14:30:38
● 2026-07-01 10:40:32

○A178.62.113.1622020-03-06 → 2020-03-06 · 3 obs

● 2020-03-06 14:30:38
○ 2026-02-16 08:05:52
○ 2026-07-01 10:40:32

●A192.81.209.1372026-02-16 → 2026-07-01 · 3 obs

○ 2020-03-06 14:30:38
● 2026-02-16 08:05:52
● 2026-07-01 10:40:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net...	-
contentstudies.com	ns-736.awsdns-28.net, ns-483.awsdns-60.com, ns-1371.awsdns-43.org, ns-2037.awsdns-62.co.uk	2 records

✅ Authoritative Response

Server:205.251.193.227

NS records: ns-736.awsdns-28.net, ns-483.awsdns-60.com, ns-1371.awsdns-43.org, ns-2037.awsdns-62.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contentstudies.com (unsigned zone)

⏱️ Timing

Total: 400ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.81.209.137`
NS	4	`ns-1371.awsdns-43.org, ns-2037.awsdns-62.co.uk...`
MX	1	`contentstudies-com.mail.protection.outlo`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns-1371.awsdns-43.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-483.awsdns-60.com, ns-483.awsdns-60.com)

Analysis

Hierarchy

contentstudies.com is a parent domain of document.contentstudies.com.

IP Addresses

contentstudies.com resolves to one IP address: 192.81.209.137.

expertwhitepaperhub.net, contentstudies.co, contentresources.net and two other host names share IP numbers with contentstudies.com.

Name Servers

The authoritative name servers for contentstudies.com are ns-483.awsdns-60.com, ns-736.awsdns-28.net, ns-1371.awsdns-43.org and ns-2037.awsdns-62.co.uk.

contentstudies.com shares at least some of its name servers with other domains, including wagonwheelperformance.com, nakadai.work, cobo.com and two others.

These name servers are frequently paired with the name servers ns-18.awsdns-02.com, ns-995.awsdns-60.net and ns-1069.awsdns-05.org.

The host names ns-483.awsdns-60.com, ns-736.awsdns-28.net, ns-1371.awsdns-43.org and ns-2037.awsdns-62.co.uk each resolve to two IP addresses: ns-483.awsdns-60.com resolves to 205.251.193.227 and 2600:9000:5301:e300::1; ns-736.awsdns-28.net resolves to 205.251.194.224 and 2600:9000:5302:e000::1; ns-1371.awsdns-43.org resolves to 205.251.197.91 and 2600:9000:5305:5b00::1; ns-2037.awsdns-62.co.uk resolves to 205.251.199.245 and 2600:9000:5307:f500::1.

Mail Servers

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

contentstudies-com.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.68.5, 52.101.68.25, 52.101.73.12 and 5 others.