`mail.lessons.cn`

DNSSEC	⚠️ Not signed
A	65.21.95.249^{🇫🇮 Hetzner65.21.0.0/16 HETZNER-DC}
		PTR	`static.249.95.21.65.in-addr.arpa`

`lessons.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:c4c9^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:153d^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.21.61^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.196.201^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ian.ns.cloudflare.com` ⭐
NS	`naomi.ns.cloudflare.com`
MX	`mail.lessons.cn` ⭐
TXT	`a23bc3b6ddafee2b062c2d8fdca8ea7f2d5a1ed6`
TXT	`v=spf1 a mx a:lessons.cn ip4:65.21.95.249 ip4:65.21.95.249 ip6:2a01:4f9:3b:48...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.21.61, 172.67.196.201
		IPv6 hints	2606:4700:3030::ac43:c4c9, 2606:4700:3037::6815:153d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=94, name=cloudflare-ech.com
SOA	`ian.ns.cloudflare.com`dns@cloudflare.com serial=2400469426

MX for

lessons.cn

Same first word

mail.gov.ua

mail.net.ua

mail.com.au

mail.cat

mail.vin

mail.stripper.jp

mail.ciao.jp

mail.gov.vc

mail.realm.cz

mail.vu

mail.trading

mail.center

mail.fi

mail.kg

mail.mayfirst.org

mail.systems

mail.itigo.jp

mail.cl

mail.vc

mail.babymilk.jp

mail.gov.by

mail.chat

mail.fastvps.host

mail.style

mail.altervista.org

mail.ngo.za

mail.awsapps.com

mail.biz

mail.gov.lv

mail.jetzt

mail.kh.ua

mail.ru

mail.myeffect.net

mail.myshopify.com

mail.123hjemmeside.dk

mail.gov.ps

mail.ml

mail.fo

mail.expert

mail.mil.tm

mail.team

mail.com.ru

mail.tn

mail.serveftp.com

mail.by

mail.peewee.jp

mail.virtualuser.de

mail.charity

mail.exchange

mail.live

mail.lk3.ru

mail.com.mk

mail.ap.gov.br

mail.dp.ua

mail.myjino.ru

mail.space

mail.net.ph

mail.rr.gov.br

mail.read-books.org

mail.ilovecollege.info

mail.gmx

mail.info.pl

mail.community

mail.cleaning

mail.bh

mail.site

mail.select

mail.email

mail.blue

mail.tools

mail.sy

mail.li

mail.rw

mail.vision

mail.sk

mail.at

mail.surf

mail.gov.ge

mail.dating

mail.travel

mail.td

mail.nr

mail.nrw

mail.xyz

mail.loginto.me

mail.bio

mail.dk

mail.main.jp

mail.graphics

mail.lc

mail.city

mail.yt

mail.watch

mail.lomo.jp

mail.lu

mail.tel

mail.ws

mail.holiday

mail.zombie.jp

mail.ma

mail.mr

mail.gov.af

mail.hashbang.sh

mail.mil.ru

mail.schwarz

mail.co.uk

mail.net.mk

mail.rj.gov.br

mail.freedesktop.org

mail.direct

mail.yandex

mail.sh.cn

mail.vacations

mail.my

mail.gov.mz

Similar names

mail.party

mali.ws

mail.tax

ilma.cz

mail.coop

ilam.org

mail.directory

mail.freemyip.com

mail.com.tw

mail.hk.com

mail.mh

mail.gov.mw

amil.network

mlia.de

alim.it

ialm.org

mail.gov.bn

mail.mmafan.biz

mail.ky

liam.com.au

mail.synology-diskstation.de

mail.schoolbus.jp

lima.myds.me

lima.cn

alim.sk

lami.com.mx

lima.capital

mail.uz.ua

mali.ro

lami.co

lima.org.za

mail.cool

iaml.net

mail.uk

mail.ru.com

mail.littlestar.jp

mail.com.se

ialm.net

mila.by

lami.glass

mail.gov.ao

amil.site

mail.me

aiml.cc

mila.gallery

mail.ac.gov.br

mail.edu.me

iaml.pl

ilam.org.nz

liam.page

mail.gov.ru

mail.pr

mail.mlbfan.org

mila.fit

lima.it

mail.ph

lima.net

mail.nhlfan.net

mail.gru.br

mlai.biz

lima.nu

mail.gl

mail.link

mail.no

ilma.pl

mail.net.vn

mail.lib.wy.us

lami.com.au

mail.pictures

ilma.org

mail.gov.kg

mail.ag

mail.hk

mail.win

mail.net

ilam.ph

amli.fi

ilma.wpmudev.host

mail.ne.kr

mail.support

ilam.org.tr

mail.de

mail.hacca.jp

mail.moo.jp

almi.ru

liam.nu

mail.new

amil.gal

imal.org.mx

mail.teva

mail.gov.al

mail.kapsi.fi

mail.cutegirl.jp

mali.com

mail.gov.az

mail.io

mail.cash

mail.eus

mail.firewall-gateway.com

mali.ru

DNS History

4 records (1 active, 3 former)

○A135.181.57.1222026-03-25 → 2026-04-14 · 2 obs

○ 2026-03-25 05:18:12
○ 2026-04-14 18:43:48

○A144.76.92.1192015-05-14 → 2015-05-14 · 3 obs

● 2015-05-14 06:31:24
○ 2015-10-04 16:51:16
○ 2026-04-14 18:43:48

○A50.30.38.2232015-10-04 → 2016-04-05 · 5 obs

○ 2015-05-14 06:31:24
● 2015-10-04 16:51:16
● 2016-04-05 04:09:56
○ 2026-03-25 05:18:12
○ 2026-04-14 18:43:48

●A65.21.95.2492026-03-25 → 2026-04-14 · 3 obs

○ 2016-04-05 04:09:56
● 2026-03-25 05:18:12
● 2026-04-14 18:43:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
lessons.cn	ian.ns.cloudflare.com, naomi.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.208

NS records: ian.ns.cloudflare.com, naomi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lessons.cn (unsigned zone)

⏱️ Timing

Total: 986ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`65.21.95.249`

Analysis

Mail Server Role

mail.lessons.cn serves as the mail server for lessons.cn.

IP Addresses

mail.lessons.cn points to a single IP address: 65.21.95.249.

Other host names such as _dc-mx.4f563c8e2cb6.lessons.cn, mail.ypyp.com, mail.mastos.com, mail.spot.gr and mail.bottomsbook.com share IP numbers with mail.lessons.cn.

mail.lessons.cn - robtex.com

mail.lessons.cn

lessons.cn