`study.uz`

DNSSEC	⚠️ Not signed
A	62.209.128.71^{🇺🇿 TPSUZ-AS62.209.128.0/19}
		PTR	`62.209.128.71.static.ip.tps.uz`
NS	`ns1.study.uz` ⭐ ⚠️ Not in parent delegation
		A	62.209.128.111^{🇺🇿 TPSUZ-AS62.209.128.0/19}
NS	`ns1.billur.com`
		A	62.209.128.111^{🇺🇿 TPSUZ-AS62.209.128.0/19}
NS	`ns2.billur.com`
		A	62.209.128.122^{🇺🇿 TPSUZ-AS62.209.128.0/19}
NS	`ns2.study.uz` ⚠️ Not in parent delegation
		A	62.209.128.122^{🇺🇿 TPSUZ-AS62.209.128.0/19}
NS	`ns3.billur.com` ⚠️ Not in parent delegation
		A	83.69.136.3^{🇺🇿 UZSCI-AS83.69.128.0/19 UzSciNet}
NS	`ns4.billur.com` ⚠️ Not in parent delegation
		A	83.69.136.124^{🇺🇿 UZSCI-AS83.69.128.0/19 UzSciNet}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	172.253.122.26^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`v=spf1 +a ip4:62.209.129.111 -all`
TXT	`TXT v=spf1 include:_spf.google.com ~all`
SOA	`ns1.study.uz`support@billur.com serial=1629451390

`uz`

	DNSSEC	🔒 Signed (DS record present)
	A	91.212.89.8^{🇺🇿 UZINFOCOM91.212.89.0/24 Route for UzInfocom}
	NS	`ns1.uz` ⭐
	NS	`ns.uz`
	NS	`ns2.uz`
	NS	`ns3.uz`
	NS	`ns4.uz`
	NS	`ns5.uz`
	NS	`ns6.uz`
	NS	`ns7.uz`
	NS	`ns8.uz`
	SOA	`ns.uz`hostmaster@cctld.uz 2026-11-14 #45

WOT: UNKNOWN (74/100)

Subdomains

ns1.study.uz

ns2.study.uz

www.study.uz

ns.study.uz

Same first word

study.go.kr

study.computer

study.ru

study.loans

study.tools

study.matrix.jp

study.brussels

study.it

study.gr.jp

study.travel

study

study.mx

study.in.th

study.direct

study.zone

study.jp

study.co.jp

study.cm

study.kg

study.tw

study.run

study.co

study.biz

study.bible

study.ne.jp

study.blue

study.express

study.be

study.co.uk

study.today

study.ne.kr

study.no

study.new

study.bet

study.life

study.training

study.boats

study.lv

study.su

study.academy

study.mobi

study.group

study.ly

study.uz

study.cz

study.skin

study.center

study.cheap

study.to

study.co.il

study.by

study.com.mx

study.gr

study.at

study.mn

study.kiev.ua

study.support

study.fi

study.credit

study.church

study.land

study.world

study.es

study.ir

study.edu.ge

study.net

study.team

study.cafe

study.vic.gov.au

study.com.pk

study.sk

study.monash

study.ca

study.ac.id

study.help

study.tj

study.technology

study.beauty

study.tube

study.guide

study.id

study.ltd

study.black

study.cat

study.us

study.org

study.directory

study.nl

study.dk

study.tours

study.kz

study.com.pl

study.de

study.edu.vn

study.uk.net

study.company

study.lu

study.place

study.ua

study.my

study.gov.pl

study.foundation

study.eu

study.agency

study.ie

study.com

study.mba

study.engineering

study.se

Similar names

dusty.dyndns.org

dusty.ca

dusty.co

sduty.com

tydus.net

duyts.nl

dusty.org

dusty.codes

dutys.com

duyts.amsterdam

dusty.se

dusty.cz

dusty.readthedocs.io

dusty.gr

dusty.no

dusty.page

stduy.com

dusty.wtf

dusty.tv

dusty.ru

dyust.io

dusty.nl

dusty.dk

dusty.work

DNS History

22 records (12 active, 10 former)

●NSns1.billur.com2026-02-19 → 2026-07-03 · 3 obs

○ 2017-09-03 13:29:44
● 2026-02-19 09:22:16
● 2026-07-03 13:16:44

○NSns1.globhost.net2015-06-17 → 2017-09-03 · 4 obs

● 2015-06-17 02:16:10
● 2017-09-03 13:29:44
○ 2026-02-19 09:22:16
○ 2026-07-03 13:16:44

●NSns1.study.uz2026-02-19 → 2026-07-03 · 3 obs

○ 2017-09-03 13:29:44
● 2026-02-19 09:22:16
● 2026-07-03 13:16:44

●NSns2.billur.com2026-02-19 → 2026-07-03 · 3 obs

○ 2017-09-03 13:29:44
● 2026-02-19 09:22:16
● 2026-07-03 13:16:44

●NSns2.study.uz2026-02-19 → 2026-07-03 · 3 obs

○ 2017-09-03 13:29:44
● 2026-02-19 09:22:16
● 2026-07-03 13:16:44

●NSns3.billur.com2026-02-19 → 2026-07-03 · 3 obs

○ 2017-09-03 13:29:44
● 2026-02-19 09:22:16
● 2026-07-03 13:16:44

●NSns4.billur.com2026-02-19 → 2026-07-03 · 3 obs

○ 2017-09-03 13:29:44
● 2026-02-19 09:22:16
● 2026-07-03 13:16:44

○NSpdns03.domaincontrol.com2017-04-27 → 2017-08-20 · 5 obs

○ 2016-12-18 03:59:58
● 2017-04-27 19:44:00
● 2017-08-20 15:46:10
○ 2017-09-03 13:29:44
○ 2026-07-03 13:16:44

○NSpdns04.domaincontrol.com2017-04-27 → 2017-08-20 · 5 obs

○ 2016-12-18 03:59:58
● 2017-04-27 19:44:00
● 2017-08-20 15:46:10
○ 2017-09-03 13:29:44
○ 2026-07-03 13:16:44

○NSxfr01.domaincontrol.com2015-06-17 → 2017-09-03 · 22 obs

● 2015-06-17 02:16:10
○ 2015-09-23 04:58:10
○ 2016-01-21 10:18:06
● 2016-02-10 20:33:50
○ 2016-03-31 18:47:14
○ 2016-04-23 07:02:12
● 2016-05-01 04:38:00
○ 2016-06-21 21:08:48
○ 2016-07-16 20:51:02
● 2016-08-19 08:16:22
● 2016-08-31 02:39:46
○ 2016-09-30 23:51:24
○ 2016-11-18 14:40:42
● 2016-11-28 05:05:36
○ 2016-11-29 08:31:02
● 2016-11-30 10:42:56
● 2016-12-03 14:25:12
○ 2016-12-18 03:59:58
○ 2017-08-20 15:46:10
● 2017-09-03 13:29:44
○ 2026-02-19 09:22:16
○ 2026-07-03 13:16:44

○NSxfr02.domaincontrol.com2015-06-17 → 2017-09-03 · 22 obs

●MXalt1.aspmx.l.google.com2015-06-17 → 2026-07-03 · 2 obs

● 2015-06-17 02:16:10
● 2026-07-03 13:16:44

●MXalt2.aspmx.l.google.com2015-06-17 → 2026-07-03 · 2 obs

● 2015-06-17 02:16:10
● 2026-07-03 13:16:44

●MXalt3.aspmx.l.google.com2026-02-19 → 2026-07-03 · 3 obs

○ 2017-09-03 13:29:44
● 2026-02-19 09:22:16
● 2026-07-03 13:16:44

●MXalt4.aspmx.l.google.com2026-02-19 → 2026-07-03 · 3 obs

○ 2017-09-03 13:29:44
● 2026-02-19 09:22:16
● 2026-07-03 13:16:44

●MXaspmx.l.google.com2015-06-17 → 2026-07-03 · 2 obs

● 2015-06-17 02:16:10
● 2026-07-03 13:16:44

○MXaspmx2.googlemail.com2015-06-17 → 2017-09-03 · 4 obs

● 2015-06-17 02:16:10
● 2017-09-03 13:29:44
○ 2026-02-19 09:22:16
○ 2026-07-03 13:16:44

○MXaspmx3.googlemail.com2015-06-17 → 2017-09-03 · 4 obs

● 2015-06-17 02:16:10
● 2017-09-03 13:29:44
○ 2026-02-19 09:22:16
○ 2026-07-03 13:16:44

○MXaspmx4.googlemail.com2015-06-17 → 2017-09-03 · 4 obs

● 2015-06-17 02:16:10
● 2017-09-03 13:29:44
○ 2026-02-19 09:22:16
○ 2026-07-03 13:16:44

○MXaspmx5.googlemail.com2015-06-17 → 2017-09-03 · 4 obs

● 2015-06-17 02:16:10
● 2017-09-03 13:29:44
○ 2026-02-19 09:22:16
○ 2026-07-03 13:16:44

○A188.121.60.1332015-06-17 → 2017-09-03 · 4 obs

● 2015-06-17 02:16:10
● 2017-09-03 13:29:44
○ 2026-02-19 09:22:16
○ 2026-07-03 13:16:44

●A62.209.128.712026-02-19 → 2026-07-03 · 3 obs

○ 2017-09-03 13:29:44
● 2026-02-19 09:22:16
● 2026-07-03 13:16:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
uz	ns1.uz, ns3.uz, ns7.uz, ns5.uz...	12 records
study.uz	ns1.billur.com, ns2.billur.com	-

✅ Authoritative Response

Server:62.209.128.122

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for study.uz (unsigned zone)

⏱️ Timing

Total: 2043ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`62.209.128.71`
NS	6	`ns1.billur.com, ns2.billur.com...`
MX	5	`ASPMX.L.GOOGLE.COM (pri: 0), ALT4.ASPMX.L.GOOGLE.COM (pri: 10)...`
TXT	2	`v=spf1 +a ip4:62.209.129.111 -all, TXT v=spf1 include:_spf.google.com ~a`
SOA	1	`ns1.study.uz support.billur.com`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (ns1.uz, ns3.uz, ns3.uz...)

Analysis

Hierarchy

study.uz serves as the parent of ns1.study.uz, ns2.study.uz, www.study.uz and ns.study.uz.

IP Addresses

study.uz has exactly one IP address — 62.209.128.71.

samolet.uz, diktor.uz, clubs.uz plus two other host names have IP numbers in common with study.uz.

Name Servers

study.uz is delegated to 6 name servers: ns1.billur.com, ns2.billur.com, ns3.billur.com and 3 other.

study.uz has at least partial name server overlap with other domains, such as bm.uz, kmz.uz, tut.uz and two others.

These name servers tend to appear together with the name servers ns4.billur.com, a.misconfigured.dns.server.invalid and ns3.activeby.net.

Host names resolving to a single IP address:

ns1.billur.com points to 62.209.128.111.

ns2.billur.com points to 62.209.128.122.

ns3.billur.com points to 83.69.136.3.

ns4.billur.com points to 83.69.136.124.

ns1.study.uz points to 62.209.128.111.

ns2.study.uz points to 62.209.128.122.

ns1.billur.com and ns1.study.uz are host names that each point to 62.209.128.111 IP addresses.

ns2.billur.com and ns2.study.uz are host names that each point to 62.209.128.122 IP addresses.

Mail Servers

Mail for study.uz is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by study.uz are shared with other domains: ns500821.ns500794.ns500841.ns500794.ns500821.ns500795.ns500794.ns500821.ns500821.ns500821.ns500790.ns500795.lustypartnersfinder.com, admatic.nz, wayward.travel and two others among them.

These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx.l.google.com points to 172.253.122.26 and 2607:f8b0:4004:c23::1b.

alt1.aspmx.l.google.com points to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com points to 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com points to 172.253.157.27 and 2a00:1450:400c:c23::1a.

study.uz - robtex.com

study.uz

uz

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`study.uz`

`uz`