`studyworkusa.com`

DNSSEC	⚠️ Not signed
NS	`ns-150.awsdns-18.com` ⚠️ Not in zone NS records
		A	2600:9000:5300:9600::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-150.awsdns-18.com`
		A	205.251.192.150^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-150.awsdns-18.com`
NS	`ns-1522.awsdns-62.org` ⚠️ Not in zone NS records
		A	2600:9000:5305:f200::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1522.awsdns-62.org`
		A	205.251.197.242^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1522.awsdns-62.org`
NS	`ns-1710.awsdns-21.co.uk` ⚠️ Not in zone NS records
		A	2600:9000:5306:ae00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1710.awsdns-21.co.uk`
		A	205.251.198.174^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1710.awsdns-21.co.uk`
NS	`ns-593.awsdns-10.net` ⚠️ Not in zone NS records
		A	2600:9000:5302:5100::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-593.awsdns-10.net`
		A	205.251.194.81^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-593.awsdns-10.net`

`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=1777016431

Same first word

studyworkusa.com

DNS History

7 records (4 active, 3 former)

●NSns-150.awsdns-18.com2026-04-04 → 2026-04-24 · 3 obs

○ 2015-10-13 21:40:30
● 2026-04-04 17:49:36
● 2026-04-24 07:53:20

●NSns-1522.awsdns-62.org2026-04-04 → 2026-04-24 · 3 obs

○ 2015-10-13 21:40:30
● 2026-04-04 17:49:36
● 2026-04-24 07:53:20

●NSns-1710.awsdns-21.co.uk2026-04-04 → 2026-04-24 · 3 obs

○ 2015-10-13 21:40:30
● 2026-04-04 17:49:36
● 2026-04-24 07:53:20

●NSns-593.awsdns-10.net2026-04-04 → 2026-04-24 · 3 obs

○ 2015-10-13 21:40:30
● 2026-04-04 17:49:36
● 2026-04-24 07:53:20

○NSns93.worldnic.com2008-11-07 → 2008-11-07 · 3 obs

● 2008-11-07 20:48:02
○ 2015-10-13 21:40:30
○ 2026-04-24 07:53:20

○NSns94.worldnic.com2008-11-07 → 2008-11-07 · 3 obs

● 2008-11-07 20:48:02
○ 2015-10-13 21:40:30
○ 2026-04-24 07:53:20

○A209.62.20.2002008-11-07 → 2008-11-07 · 3 obs

● 2008-11-07 20:48:02
○ 2015-10-13 21:40:30
○ 2026-04-24 07:53:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
studyworkusa.com	ns-150.awsdns-18.com, ns-593.awsdns-10.net, ns-1710.awsdns-21.co.uk, ns-1522.awsdns-62.org	2 records

✅ Authoritative Response

Server:205.251.192.150

NS records: ns-150.awsdns-18.com, ns-593.awsdns-10.net, ns-1710.awsdns-21.co.uk, ns-1522.awsdns-62.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyworkusa.com (unsigned zone)

⏱️ Timing

Total: 217ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-150.awsdns-18.com, ns-150.awsdns-18.com)

Analysis

Name Servers

studyworkusa.com delegates to four name servers: ns-150.awsdns-18.com, ns-593.awsdns-10.net, ns-1522.awsdns-62.org and ns-1710.awsdns-21.co.uk.

studyworkusa.com at least partially shares name servers with other domains, for instance yourcreditlimitincrease.com, 247minesweeper.com, grefoxsmatic.com, d94r1llj8z8wm.cloudfront.net and global.d6.class.com.

Host names with two IP numbers: ns-150.awsdns-18.com points to 2600:9000:5300:9600::1 and 205.251.192.150; ns-593.awsdns-10.net points to 2600:9000:5302:5100::1 and 205.251.194.81; ns-1522.awsdns-62.org points to 2600:9000:5305:f200::1 and 205.251.197.242; ns-1710.awsdns-21.co.uk points to 2600:9000:5306:ae00::1 and 205.251.198.174.

studyworkusa.com - robtex.com