`studytoad.com`

DNSSEC	⚠️ Not signed
A	3.5.12.163^{🇺🇸 Amazon3.5.12.0/23 AWS S3}
		PTR	`s3-website.us-east-1.amazonaws.com`
A	16.15.185.34^{🇺🇸 Amazon16.15.184.0/21 EC2 Prefix}
A	16.15.193.44^{🇺🇸 Amazon16.15.192.0/21 EC2 Prefix}
A	16.15.207.112^{🇺🇸 Amazon16.15.200.0/21 EC2 Prefix}
A	52.216.42.237^{🇺🇸 Amazon52.216.32.0/20 AWS S3}
A	52.217.97.11^{🇺🇸 Amazon52.217.96.0/22 AWS S3}
A	52.217.116.245^{🇺🇸 Amazon52.217.112.0/20 AWS S3}
A	54.231.234.21^{🇺🇸 Amazon54.231.224.0/19}
NS	`ns-179.awsdns-22.com` ⭐
		A	2600:9000:5300:b300::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-179.awsdns-22.com`
		A	205.251.192.179^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-179.awsdns-22.com`
NS	`ns-1520.awsdns-62.org`
		A	2600:9000:5305:f000::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1520.awsdns-62.org`
		A	205.251.197.240^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1520.awsdns-62.org`
NS	`ns-2002.awsdns-58.co.uk`
		A	2600:9000:5307:d200::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-2002.awsdns-58.co.uk`
		A	205.251.199.210^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2002.awsdns-58.co.uk`
NS	`ns-888.awsdns-47.net`
		A	2600:9000:5303:7800::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-888.awsdns-47.net`
		A	205.251.195.120^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-888.awsdns-47.net`
SOA	`ns-179.awsdns-22.com`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=1771291435

DNS History

27 records (12 active, 15 former)

○NSa.ns36.de2015-08-02 → 2015-08-02 · 3 obs

● 2015-08-02 00:19:06
○ 2015-12-09 09:35:08
○ 2026-03-03 06:49:26

○NSb.ns36.de2015-08-02 → 2015-08-02 · 3 obs

● 2015-08-02 00:19:06
○ 2015-12-09 09:35:08
○ 2026-03-03 06:49:26

●NSns-1520.awsdns-62.org2016-07-20 → 2026-03-03 · 3 obs

○ 2015-12-09 09:35:08
● 2016-07-20 20:05:08
● 2026-03-03 06:49:26

●NSns-179.awsdns-22.com2016-07-20 → 2026-03-03 · 3 obs

○ 2015-12-09 09:35:08
● 2016-07-20 20:05:08
● 2026-03-03 06:49:26

●NSns-2002.awsdns-58.co.uk2016-07-20 → 2026-03-03 · 3 obs

○ 2015-12-09 09:35:08
● 2016-07-20 20:05:08
● 2026-03-03 06:49:26

●NSns-888.awsdns-47.net2016-07-20 → 2026-03-03 · 3 obs

○ 2015-12-09 09:35:08
● 2016-07-20 20:05:08
● 2026-03-03 06:49:26

○MXmail-gateway.domcollect.com2015-08-02 → 2015-08-02 · 3 obs

● 2015-08-02 00:19:06
○ 2015-12-09 09:35:08
○ 2026-03-03 06:49:26

●A16.15.185.342026-03-03 → 2026-03-03 · 2 obs

○ 2017-12-23 23:43:02
● 2026-03-03 06:49:26

●A16.15.193.442026-03-03 → 2026-03-03 · 2 obs

○ 2017-12-23 23:43:02
● 2026-03-03 06:49:26

●A16.15.207.1122026-03-03 → 2026-03-03 · 2 obs

○ 2017-12-23 23:43:02
● 2026-03-03 06:49:26

●A3.5.12.1632026-03-03 → 2026-03-03 · 2 obs

○ 2017-12-23 23:43:02
● 2026-03-03 06:49:26

○A52.216.128.1782017-12-23 → 2017-12-23 · 3 obs

○ 2016-08-02 01:53:58
● 2017-12-23 23:43:02
○ 2026-03-03 06:49:26

○A52.216.160.182017-12-23 → 2017-12-23 · 3 obs

○ 2016-08-02 01:53:58
● 2017-12-23 23:43:02
○ 2026-03-03 06:49:26

○A52.216.162.1782017-12-23 → 2017-12-23 · 3 obs

○ 2016-08-02 01:53:58
● 2017-12-23 23:43:02
○ 2026-03-03 06:49:26

○A52.216.17.2342017-12-23 → 2017-12-23 · 3 obs

○ 2016-08-02 01:53:58
● 2017-12-23 23:43:02
○ 2026-03-03 06:49:26

○A52.216.225.1622017-12-23 → 2017-12-23 · 3 obs

○ 2016-08-02 01:53:58
● 2017-12-23 23:43:02
○ 2026-03-03 06:49:26

○A52.216.229.582017-12-23 → 2017-12-23 · 3 obs

○ 2016-08-02 01:53:58
● 2017-12-23 23:43:02
○ 2026-03-03 06:49:26

●A52.216.42.2372026-03-03 → 2026-03-03 · 2 obs

○ 2017-12-23 23:43:02
● 2026-03-03 06:49:26

○A52.216.97.2102017-12-23 → 2017-12-23 · 3 obs

○ 2016-08-02 01:53:58
● 2017-12-23 23:43:02
○ 2026-03-03 06:49:26

●A52.217.116.2452026-03-03 → 2026-03-03 · 2 obs

○ 2017-12-23 23:43:02
● 2026-03-03 06:49:26

●A52.217.97.112026-03-03 → 2026-03-03 · 2 obs

○ 2017-12-23 23:43:02
● 2026-03-03 06:49:26

○A54.231.112.422016-08-02 → 2016-08-02 · 4 obs

○ 2016-07-20 20:05:08
● 2016-08-02 01:53:58
○ 2017-12-23 23:43:02
○ 2026-03-03 06:49:26

●A54.231.234.212026-03-03 → 2026-03-03 · 2 obs

○ 2017-12-23 23:43:02
● 2026-03-03 06:49:26

○A54.231.50.572016-07-20 → 2016-07-20 · 4 obs

○ 2015-12-09 09:35:08
● 2016-07-20 20:05:08
○ 2016-08-02 01:53:58
○ 2026-03-03 06:49:26

○A54.231.82.1932017-12-23 → 2017-12-23 · 3 obs

○ 2016-08-02 01:53:58
● 2017-12-23 23:43:02
○ 2026-03-03 06:49:26

○A54.231.98.822017-12-23 → 2017-12-23 · 3 obs

○ 2016-08-02 01:53:58
● 2017-12-23 23:43:02
○ 2026-03-03 06:49:26

○A91.195.241.1212015-08-02 → 2015-08-02 · 3 obs

● 2015-08-02 00:19:06
○ 2015-12-09 09:35:08
○ 2026-03-03 06:49:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
studytoad.com	ns-179.awsdns-22.com, ns-888.awsdns-47.net, ns-2002.awsdns-58.co.uk, ns-1520.awsdns-62.org	1 record

✅ Authoritative Response

Server: 205.251.197.240

NS records: ns-179.awsdns-22.com, ns-888.awsdns-47.net, ns-2002.awsdns-58.co.uk, ns-1520.awsdns-62.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studytoad.com (unsigned zone)

⏱️ Timing

Total: 381ms | Queries: -

📄 Records

Type	Count	Sample Data
A	7	`16.15.191.224, 16.15.178.228...`
NS	4	`ns-1520.awsdns-62.org, ns-179.awsdns-22.com...`
SOA	1	`ns-179.awsdns-22.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-179.awsdns-22.com)

Analysis

IP Addresses

studytoad.com points to eight IP numbers: 3.5.12.163, 16.15.185.34, 16.15.193.44, 16.15.207.112, 52.216.42.237, 52.217.97.11, 52.217.116.245 and 54.231.234.21.

Other host names, for instance catascension.com, meth-knowtheconsequences.com, aaronn.me, cyberkittens.net and crop-vu.com share IP numbers with studytoad.com.

Name Servers

studytoad.com is delegated to four name servers: ns-179.awsdns-22.com, ns-888.awsdns-47.net, ns-1520.awsdns-62.org and ns-2002.awsdns-58.co.uk.

studytoad.com at least partially shares name servers with other domains such as mssmd.net, isam-ap.com, d1dms93ljluwyj.cloudfront.net, d4x5pzdig2lxp.cloudfront.net and qualis.com.

These name servers are commonly used with ns-1870.awsdns-41.co.uk and ns-1148.awsdns-15.org.

Host names with two IP numbers:

ns-179.awsdns-22.com points to 2600:9000:5300:b300::1 and 205.251.192.179

ns-888.awsdns-47.net points to 2600:9000:5303:7800::1 and 205.251.195.120

ns-1520.awsdns-62.org points to 2600:9000:5305:f000::1 and 205.251.197.240

ns-2002.awsdns-58.co.uk points to 2600:9000:5307:d200::1 and 205.251.199.210

studytoad.com - robtex.com

studytoad.com

com

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`studytoad.com`

`com`