`ust.center`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:1e38^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:969d^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.30.56^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.150.157^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aaron.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c96^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aaron.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c396^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aaron.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2396^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aaron.ns.cloudflare.com`
		A	108.162.195.150^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aaron.ns.cloudflare.com`
		A	162.159.44.150^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aaron.ns.cloudflare.com`
		A	172.64.35.150^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aaron.ns.cloudflare.com`
NS	`michelle.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ac9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`michelle.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`michelle.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`michelle.ns.cloudflare.com`
		A	108.162.192.201^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`michelle.ns.cloudflare.com`
		A	172.64.32.201^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`michelle.ns.cloudflare.com`
		A	173.245.58.201^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`michelle.ns.cloudflare.com`
MX	`mx2.zoho.com` ⭐
		A	136.143.183.44^{🇺🇸 ZohoAS136.143.182.0/23 Zoho}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx3.zoho.com`⁽²⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽⁵⁰⁾
		A	136.143.183.44^{🇺🇸 ZohoAS136.143.182.0/23 Zoho}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`NETORGFT10570573.onmicrosoft.com`
TXT	`brevo-code:a4036107efa132aa5be70c44ca731421`
TXT	`v=spf1 include:zohomail.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.30.56, 172.67.150.157
		IPv6	2606:4700:3032::6815:1e38, 2606:4700:3035::ac43:969d
SOA	`aaron.ns.cloudflare.com`dns@cloudflare.com serial=2395815718

`center`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.center` ⭐
	NS	`v0n1.nic.center`
	NS	`v0n2.nic.center`
	NS	`v0n3.nic.center`
	NS	`v2n0.nic.center`
	NS	`v2n1.nic.center`
	SOA	`v0n0.nic.center`hostmaster@donuts.email serial=1773361538

Same first word

ust.ch

ust.fr

ust.cz

ust.ac.id

ust.edu.al

ust.bg

ust.tel

ust.pl

ust.by

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ust.md

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ust.com.ua

ust.com.my

ust.com.tr

ust.ru

Similar names

sut.co.kr

tsu.fi

sut.cn

uts.com.bz

tus.dk

sut.ch

tus.cz

stu.info

stu.com.ua

uts.de

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tsu.pl

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uts.com.pk

uts.com.tw

tus.fi

tsu.ch

uts.kz

stu.mp

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sut.biz

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sut.no

sut.dk

stu.us

uts.lt

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tsu.net

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stu.org.sg

uts.net.my

sut.pl

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sut.net

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stu.tv

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uts.edu.ht

stu.nu

tsu.it

stu.mx

stu.edu.vn

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stu.ru

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tus.si

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stu.cx

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tus.k12.pa.us

tsu.fund

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sut.tax

stu.im

tsu.tw

tsu.cz

stu.st

stu.wtf

uts.us.com

tsu.in

uts.co.rs

uts.ac.th

tsu.de

stu.nl

tsu.org

DNS History

9 records (9 active, 0 former)

●NSaaron.ns.cloudflare.com2026-03-13 → 2026-03-13 · 2 obs

● 2026-03-13 04:29:22
● 2026-03-13 04:29:24

●NSmichelle.ns.cloudflare.com2026-03-13 → 2026-03-13 · 2 obs

● 2026-03-13 04:29:22
● 2026-03-13 04:29:24

●MXmx.zoho.com2026-03-13 → 2026-03-13 · 2 obs

● 2026-03-13 04:29:22
● 2026-03-13 04:29:24

●MXmx2.zoho.com2026-03-13 → 2026-03-13 · 2 obs

● 2026-03-13 04:29:22
● 2026-03-13 04:29:24

●MXmx3.zoho.com2026-03-13 → 2026-03-13 · 2 obs

● 2026-03-13 04:29:22
● 2026-03-13 04:29:24

●A104.21.30.562026-03-13 → 2026-03-13 · 2 obs

● 2026-03-13 04:29:22
● 2026-03-13 04:29:24

●A172.67.150.1572026-03-13 → 2026-03-13 · 2 obs

● 2026-03-13 04:29:22
● 2026-03-13 04:29:24

●A2606:4700:3032::6815:1e382026-03-13 → 2026-03-13 · 2 obs

● 2026-03-13 04:29:22
● 2026-03-13 04:29:24

●A2606:4700:3035::ac43:969d2026-03-13 → 2026-03-13 · 2 obs

● 2026-03-13 04:29:22
● 2026-03-13 04:29:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
center	v0n0.nic.center, v0n1.nic.center, v0n2.nic.center, v0n3.nic.center...	-
ust.center	aaron.ns.cloudflare.com, michelle.ns.cloudflare.com	-

✅ Authoritative Response

Server: 162.159.44.150

NS records: aaron.ns.cloudflare.com, michelle.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ust.center (unsigned zone)

⏱️ Timing

Total: 266ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.64.80.1`
AAAA	1	`2606:4700:130:436c:6f75:6466:6c61:7265`
NS	2	`aaron.ns.cloudflare.com, michelle.ns.cloudflare.com`
MX	3	`mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)...`
TXT	3	`NETORGFT10570573.onmicrosoft.com, brevo-code:a4036107efa132aa5be70c44ca731...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aaron.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

ust.center maps to four IP numbers: 2606:4700:3032::6815:1e38, 2606:4700:3035::ac43:969d, 104.21.30.56 and 172.67.150.157.

other host names include homesharing.altervista.org.cdn.cloudflare.net, ubank.com, mail.pizzapgh.com, trafficput.com and mysubs.co.za; they share IP numbers with ust.center.

Name Servers

Two name servers aaron.ns.cloudflare.com and michelle.ns.cloudflare.com handle the delegation for ust.center.

ust.center shares the same name server setup as other domains, for instance stage3.pt, futabakai.net, topspin.one, nabdh-almusafir.com and thresholdsolutions.net.

ust.center at least partially shares name servers with other domains, for instance virtualeduca.red, 11sec.net, boshishe.com, maximumimage.eu and audplay.co.

These name servers are commonly used alongside christina.ns.cloudflare.com.

Six IP addresses per host:

aaron.ns.cloudflare.com points to 2606:4700:58::a29f:2c96, 2803:f800:50::6ca2:c396, 2a06:98c1:50::ac40:2396, 108.162.195.150, 162.159.44.150 and 172.64.35.150; michelle.ns.cloudflare.com points to 2606:4700:50::adf5:3ac9, 2803:f800:50::6ca2:c0c9, 2a06:98c1:50::ac40:20c9, 108.162.192.201, 172.64.32.201 and 173.245.58.201

Mail Servers

Three mail servers handle ust.center: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

ust.center shares at least partially some mail servers with other domains, for instance ionsite.vn, scsvs.net, mottasl.com, epgpl.com and blueandgreentomorrow.com.

Mail servers are commonly used alongside aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

Host names by IP count:

Two IP numbers: mx.zoho.com points to 136.143.183.44 and 204.141.43.44.

One IP number: mx2.zoho.com points to 136.143.183.44; mx3.zoho.com points to 204.141.43.44.

Host names that point to 136.143.183.44: mx.zoho.com and mx2.zoho.com.

Host names that point to 204.141.43.44: mx.zoho.com and mx3.zoho.com.

ust.center - robtex.com

ust.center

center

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`ust.center`

`center`