🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`classmate.study`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:3fed^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:ad1a^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.63.237^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.173.26^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`joan.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aad^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ad^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`joan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ad^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`joan.ns.cloudflare.com`
		A	108.162.192.173^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joan.ns.cloudflare.com`
		A	172.64.32.173^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joan.ns.cloudflare.com`
		A	173.245.58.173^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joan.ns.cloudflare.com`
NS	`tosana.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c2b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tosana.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c32b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tosana.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:232b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tosana.ns.cloudflare.com`
		A	108.162.195.43^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tosana.ns.cloudflare.com`
		A	162.159.44.43^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tosana.ns.cloudflare.com`
		A	172.64.35.43^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tosana.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:200b::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yuphxej-in-f26.1e100.net`
		A	172.217.75.26^{🇺🇸 Google172.217.75.0/24}
			PTR	`yuphxej-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:4025:4403::1a^{🇮🇪 Google2a00:1450:4025::/48}
			PTR	`yuskelf-in-f26.1e100.net`
		A	192.178.228.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`yuskelf-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:4025:c01::1b^{🇵🇱 Google2a00:1450:4025::/48}
			PTR	`rd-in-f27.1e100.net`
		A	142.250.147.26^{🇺🇸 Google142.250.147.0/24}
			PTR	`rd-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4001:c79::1a^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbfwv-in-f26.1e100.net`
		A	173.194.42.27^{🇺🇸 Google173.194.0.0/16}
			PTR	`yucbfwv-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4003:c4a::1a^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulth-in-f26.1e100.net`
		A	142.251.96.26^{🇺🇸 Google142.250.0.0/15}
			PTR	`yutulth-in-f26.1e100.net`
TXT	`google-site-verification=0SIMDyoiYklurquhlO_jDt-Ue5Ln30kFKGDqmIchCbY`
TXT	`google-site-verification=OyaYe4r3m01GDcBBtQg8qBVtazKkjDchwhZHhnOm5z8`
TXT	`google-site-verification=rz8iU-3uj00psm-QYvVA8b8ygagsR_bHhF9CrIxYHYI`
TXT	`v=spf1 include:dc-aa8e722993._spfm.classmate.study ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.63.237, 172.67.173.26
		IPv6 hints	2606:4700:3030::6815:3fed, 2606:4700:3034::ac43:ad1a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=232, name=cloudflare-ech.com
SOA	`joan.ns.cloudflare.com`dns@cloudflare.com serial=2415289599

`study`

	DNSSEC	⚠️ Not signed
	NS	`a.nic.study` ⭐
	NS	`b.nic.study`
	NS	`c.nic.study`
	NS	`x.nic.study`
	NS	`y.nic.study`
	NS	`z.nic.study`
	SOA	`a.nic.study`admin@tldns.godaddy serial=1793918878

Same first word

classmate.si

classmate.work

classmate.help

classmate.co.uk

classmate.de

classmate.page

classmate.co.kr

classmate.com.ph

classmate.nl

classmate.info

classmate.com.au

classmate.co.tz

classmate.net.tw

classmate.team

classmate.workers.dev

classmate.app

classmate.nyc

classmate.io

classmate.co.bw

classmate.eu

classmate.edu.pl

classmate.biz

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classmate.today

classmate.ai

classmate.gg

classmate.africa

classmate.co.ke

classmate.org.uk

classmate.cloud

classmate.education

classmate.co

classmate.jp

classmate.study

classmate.net

classmate.no

classmate.pl

classmate.com.mx

classmate.com

classmate.me

classmate.vn

classmate.qa

classmate.com.tr

classmate.com.pk

classmate.cz

classmate.altervista.org

classmate.lat

classmate.se

classmate.com.br

classmate.zone

classmate.gr

classmate.cards

classmate.top

classmate.ph

classmate.org.cn

classmate.ie

classmate.lol

classmate.ch

classmate.co.jp

classmate.chat

classmate.hu

classmate.co.in

classmate.plus

classmate.sg

classmate.tips

classmate.mx

classmate.net.cn

classmate.au

classmate.cam

classmate.cc

classmate.studio

classmate.kr

classmate.pro

classmate.us

classmate.su

classmate.ru

classmate.click

classmate.pages.dev

Similar names

Previous names

Next names

DNS History

15 records (11 active, 4 former)

●NSjoan.ns.cloudflare.com2026-09-17 → 2026-11-05 · 2 obs

● 2026-09-17 10:31:48
● 2026-11-05 23:22:24

●NStosana.ns.cloudflare.com2026-09-17 → 2026-11-05 · 2 obs

● 2026-09-17 10:31:48
● 2026-11-05 23:22:24

●MXalt1.aspmx.l.google.com2026-09-17 → 2026-11-05 · 2 obs

● 2026-09-17 10:31:48
● 2026-11-05 23:22:24

●MXalt2.aspmx.l.google.com2026-09-17 → 2026-11-05 · 2 obs

● 2026-09-17 10:31:48
● 2026-11-05 23:22:24

●MXalt3.aspmx.l.google.com2026-09-17 → 2026-11-05 · 2 obs

● 2026-09-17 10:31:48
● 2026-11-05 23:22:24

●MXalt4.aspmx.l.google.com2026-09-17 → 2026-11-05 · 2 obs

● 2026-09-17 10:31:48
● 2026-11-05 23:22:24

●MXaspmx.l.google.com2026-09-17 → 2026-11-05 · 2 obs

● 2026-09-17 10:31:48
● 2026-11-05 23:22:24

●A104.21.63.2372026-09-20 → 2026-11-05 · 3 obs

○ 2026-09-17 10:31:48
● 2026-09-20 15:52:04
● 2026-11-05 23:22:24

●A172.67.173.262026-09-20 → 2026-11-05 · 3 obs

○ 2026-09-17 10:31:48
● 2026-09-20 15:52:04
● 2026-11-05 23:22:24

○A188.114.96.02026-09-17 → 2026-09-17 · 3 obs

● 2026-09-17 10:31:48
○ 2026-09-20 15:52:04
○ 2026-11-05 23:22:24

○A188.114.97.02026-09-17 → 2026-09-17 · 3 obs

● 2026-09-17 10:31:48
○ 2026-09-20 15:52:04
○ 2026-11-05 23:22:24

●A2606:4700:3030::6815:3fed2026-09-20 → 2026-11-05 · 3 obs

○ 2026-09-17 10:31:48
● 2026-09-20 15:52:04
● 2026-11-05 23:22:24

●A2606:4700:3034::ac43:ad1a2026-09-20 → 2026-11-05 · 3 obs

○ 2026-09-17 10:31:48
● 2026-09-20 15:52:04
● 2026-11-05 23:22:24

○A2a06:98c1:3120::2026-09-17 → 2026-09-17 · 3 obs

● 2026-09-17 10:31:48
○ 2026-09-20 15:52:04
○ 2026-11-05 23:22:24

○A2a06:98c1:3121::2026-09-17 → 2026-09-17 · 3 obs

● 2026-09-17 10:31:48
○ 2026-09-20 15:52:04
○ 2026-11-05 23:22:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
study	c.nic.study, x.nic.study, y.nic.study, z.nic.study...	12 records
classmate.study	joan.ns.cloudflare.com, tosana.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.173

NS records: joan.ns.cloudflare.com, tosana.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classmate.study (unsigned zone)

⏱️ Timing

Total: 1954ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.63.237, 172.67.173.26`
AAAA	2	`2606:4700:3030::6815:3fed, 2606:4700:3034::ac43:ad1a`
NS	2	`joan.ns.cloudflare.com, tosana.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	4	`google-site-verification=0SIMDyoiYklurqu, google-site-verification=OyaYe4r3m01GDcB...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`joan.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (z.nic.study, y.nic.study, x.nic.study...)

Analysis

IP Addresses

classmate.study resolves to four IP addresses: 104.21.63.237, 172.67.173.26, 2606:4700:3030::6815:3fed and 2606:4700:3034::ac43:ad1a.

un2922.com, vyreny.shop, wwwcoze.cn and two other host names share IP numbers with classmate.study.

Name Servers

classmate.study is delegated to two name servers: joan.ns.cloudflare.com and tosana.ns.cloudflare.com.

classmate.study uses the same name servers as several other domains — among them 2775v572.workers.dev, jucespbrgov.org, hanslot88earth.space and two more.

classmate.study has at least partial name server overlap with other domains, such as rolletto1.pl, lonestudwoodworkstx.pages.dev, thuxtry.info and two others.

It is common to find these name servers paired with the name servers leah.ns.cloudflare.com, nikon.ns.cloudflare.com, lorna.ns.cloudflare.com and melina.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

joan.ns.cloudflare.com resolves to 108.162.192.173, 172.64.32.173, 173.245.58.173 and 3 other IP addresses.

tosana.ns.cloudflare.com resolves to 108.162.195.43, 162.159.44.43, 172.64.35.43 and 3 other IP addresses.

Mail Servers

classmate.study is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

classmate.study has at least partial mail server overlap with other domains such as privatelabeladvisors.com, nurwatches.com, naturefindsyou.com.au and two more.

The mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are commonly seen alongside these mail servers.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com points to 172.217.75.26 and 2607:f8b0:4023:200b::1a.

alt1.aspmx.l.google.com points to 192.178.228.26 and 2a00:1450:4025:4403::1a.

alt2.aspmx.l.google.com points to 142.250.147.26 and 2a00:1450:4025:c01::1b.

alt3.aspmx.l.google.com points to 173.194.42.27 and 2607:f8b0:4001:c79::1a.

alt4.aspmx.l.google.com points to 142.251.96.26 and 2607:f8b0:4003:c4a::1a.