qstud.com - dns.ninja

`qstud.com`

DNSSEC	⚠️ Not signed
A	2600:1f18:4ae:c605:dd5d:b838:5816:d7fb^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	2600:1f18:4ae:c606:78d4:4260:db4e:aeee^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	13.223.25.84^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
A	54.243.117.197^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
NS	`ns1.namebrightdns.com` ⭐
		A	2600:1f18:683a:ae1a:c41d:b4cf:322b:2aa6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.89.42.183^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-89-42-183.compute-1.amazonaws.com`
		A	100.58.124.42^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
			PTR	`ec2-100-58-124-42.compute-1.amazonaws.com`
NS	`ns2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:d98d:77d0:4351:e98f^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:8b8e:2173:9d62:5394^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:96f8:d2c8:7f34:9449^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	35.175.192.103^{🇺🇸 Amazon35.168.0.0/13 EC2 IAD prefix}
			PTR	`ec2-35-175-192-103.compute-1.amazonaws.com`
		A	54.163.9.173^{🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-163-9-173.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-08-07 #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=1786155639

Same first word

qstud.com

qstud.ru

Similar names

qdtsu.com

qdstu.cn

qdust.com

sutdq.com

qdust.cn

DNS History

16 records (6 active, 10 former)

○NSbuy.internettraffic.com2016-06-29 → 2016-06-29 · 4 obs

○ 2016-03-10 20:20:02
● 2016-06-29 04:43:12
○ 2017-02-15 07:32:44
○ 2026-08-08 02:22:24

○NSns-canada.topdns.com2015-08-05 → 2015-12-05 · 4 obs

● 2015-08-05 21:12:34
● 2015-12-05 19:03:54
○ 2016-03-10 20:20:02
○ 2026-08-08 02:22:24

○NSns-uk.topdns.com2015-08-05 → 2015-12-05 · 4 obs

● 2015-08-05 21:12:34
● 2015-12-05 19:03:54
○ 2016-03-10 20:20:02
○ 2026-08-08 02:22:24

○NSns-usa.topdns.com2015-08-05 → 2015-12-05 · 4 obs

● 2015-08-05 21:12:34
● 2015-12-05 19:03:54
○ 2016-03-10 20:20:02
○ 2026-08-08 02:22:24

●NSns1.namebrightdns.com2019-12-28 → 2026-08-08 · 3 obs

○ 2017-02-15 07:32:44
● 2019-12-28 07:04:30
● 2026-08-08 02:22:24

○NSns1.uniregistrymarket.link2017-02-15 → 2017-02-15 · 4 obs

○ 2016-06-29 04:43:12
● 2017-02-15 07:32:44
○ 2019-12-28 07:04:30
○ 2026-08-08 02:22:24

●NSns2.namebrightdns.com2019-12-28 → 2026-08-08 · 3 obs

○ 2017-02-15 07:32:44
● 2019-12-28 07:04:30
● 2026-08-08 02:22:24

○NSns2.uniregistrymarket.link2017-02-15 → 2017-02-15 · 4 obs

○ 2016-06-29 04:43:12
● 2017-02-15 07:32:44
○ 2019-12-28 07:04:30
○ 2026-08-08 02:22:24

○NSsell.internettraffic.com2016-06-29 → 2016-06-29 · 4 obs

○ 2016-03-10 20:20:02
● 2016-06-29 04:43:12
○ 2017-02-15 07:32:44
○ 2026-08-08 02:22:24

●A13.223.25.842026-03-31 → 2026-08-08 · 3 obs

○ 2019-12-28 07:04:30
● 2026-03-31 11:20:30
● 2026-08-08 02:22:24

○A174.37.136.2322015-08-05 → 2015-12-05 · 4 obs

● 2015-08-05 21:12:34
● 2015-12-05 19:03:54
○ 2016-03-10 20:20:02
○ 2026-08-08 02:22:24

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-31 → 2026-08-08 · 3 obs

○ 2019-12-28 07:04:30
● 2026-03-31 11:20:30
● 2026-08-08 02:22:24

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-31 → 2026-08-08 · 3 obs

○ 2019-12-28 07:04:30
● 2026-03-31 11:20:30
● 2026-08-08 02:22:24

●A54.243.117.1972026-03-31 → 2026-08-08 · 3 obs

○ 2019-12-28 07:04:30
● 2026-03-31 11:20:30
● 2026-08-08 02:22:24

○A69.172.201.1532016-06-29 → 2017-02-15 · 5 obs

○ 2016-03-10 20:20:02
● 2016-06-29 04:43:12
● 2017-02-15 07:32:44
○ 2019-12-28 07:04:30
○ 2026-08-08 02:22:24

○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2019-12-28 → 2019-12-28 · 3 obs

● 2019-12-28 07:04:30
○ 2026-03-31 11:20:30
○ 2026-08-08 02:22:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
qstud.com	ns1.namebrightdns.com, ns2.namebrightdns.com	8 records

✅ Authoritative Response

Server:100.58.124.42

NS records: ns1.namebrightdns.com, ns2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qstud.com (unsigned zone)

⏱️ Timing

Total: 163ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.223.25.84, 54.243.117.197`
AAAA	2	`2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb`
NS	2	`ns1.namebrightdns.com, ns2.namebrightdns.com`
TXT	2	`afternic-verification-G9G3tM8T8EwEizzPzj, v=spf1 -all`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.namebrightdns.com, ns1.namebrightdns.com, ns1.namebrightdns.com...)

Analysis

IP Addresses

qstud.com directs to four IP numbers, which are 13.223.25.84, 54.243.117.197, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb and 2600:1f18:4ae:c606:78d4:4260:db4e:aeee.

Among the host names that share IP numbers with qstud.com are www.tracdia.com, airticketshotels.com, instaranking.com and two others.

Name Servers

The NS records for qstud.com delegate to ns1.namebrightdns.com and ns2.namebrightdns.com.

qstud.com has the same name server delegation as a number of other domains, such as cosbee.com, mb53.com, www.double-knockout.com and two more.

At least some of qstud.com's name servers are shared with other domains, for example finisch.com, deliwear.com, fersat.com and two more.

These name servers are often deployed together with the name servers nsg1.namebrightdns.com, nsg2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Hostnames that point to five IP numbers:

ns2.namebrightdns.com directs to 35.175.192.103, 54.163.9.173, 2600:1f18:683a:ae1a:d98d:77d0:4351:e98f and two other IP addresses.

Hosts with three IP address records:

ns1.namebrightdns.com maps to three IP addresses: 3.89.42.183, 100.58.124.42 and 2600:1f18:683a:ae1a:c41d:b4cf:322b:2aa6.