`dtstudy.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns3.afternic.com` ⭐
		A	97.74.98.65^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns3.afternic.com`
NS	`ns4.afternic.com`
		A	173.201.66.65^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns4.namefind.com`
TXT	`v=spf1 -all`
SOA	`ns3.afternic.com`dns@jomax.net 2025-10-01 #0

`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=1778395406

Same first word

dtstudy.com

dtstudy.vn

Similar names

tdstudy.com

DNS History

6 records (4 active, 2 former)

○NSdns10.hichina.com2015-07-13 → 2016-05-02 · 4 obs

● 2015-07-13 11:16:22
● 2016-05-02 09:58:10
○ 2017-02-06 19:38:42
○ 2026-05-10 06:52:58

○NSdns9.hichina.com2015-07-13 → 2016-05-02 · 4 obs

● 2015-07-13 11:16:22
● 2016-05-02 09:58:10
○ 2017-02-06 19:38:42
○ 2026-05-10 06:52:58

●NSns3.afternic.com2026-03-09 → 2026-05-10 · 3 obs

○ 2017-02-06 19:38:42
● 2026-03-09 14:08:56
● 2026-05-10 06:52:58

●NSns4.afternic.com2026-03-09 → 2026-05-10 · 3 obs

○ 2017-02-06 19:38:42
● 2026-03-09 14:08:56
● 2026-05-10 06:52:58

●A13.248.169.482026-03-09 → 2026-05-10 · 2 obs

● 2026-03-09 14:08:56
● 2026-05-10 06:52:58

●A76.223.54.1462026-03-09 → 2026-05-10 · 2 obs

● 2026-03-09 14:08:56
● 2026-05-10 06:52:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
dtstudy.com	ns3.afternic.com, ns4.afternic.com	2 records

✅ Authoritative Response

Server:97.74.98.65

NS records: ns3.afternic.com, ns4.afternic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dtstudy.com (unsigned zone)

⏱️ Timing

Total: 258ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.248.169.48, 76.223.54.146`
NS	2	`ns3.afternic.com, ns4.afternic.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns3.afternic.com dns.jomax.net`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.afternic.com, ns4.afternic.com)

Analysis

IP Addresses

Two IP numbers are pointed to by dtstudy.com: 13.248.169.48 and 76.223.54.146.

other host names include tosee.us, marvao.com, fixius.com, advocateplatform.com and wigstorenearme.com; they share IP numbers with dtstudy.com.

Name Servers

Two name servers ns3.afternic.com and ns4.afternic.com handle the delegation for dtstudy.com.

dtstudy.com shares the same name server setup as other domains, for instance www.888644.com, mail.arkhk.com, qualitygrowth.org, secretmanual.com and ecoroof.org.

dtstudy.com at least partially shares name servers with other domains, for instance ecxd.com, dailynu.com, reuphealth.com, girlsr.com and jwiu.com.

These name servers are commonly used with verification-frsgyqgb387khmr9jzuunx.ns101.verify.hn and verification-2hupcltk6hmfcmoczls2f5.ns101.verify.hn.

Host names with one IP:

ns3.afternic.com points to: 97.74.98.65

ns4.afternic.com points to: 173.201.66.65

dtstudy.com - robtex.com

dtstudy.com

com