mailcheck.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

mailcheck.dev

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:570🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:855a🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.5.112Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.133.90🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScolette.ns.cloudflare.com ⭐
A2606:4700:50::a29f:261c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcolette.ns.cloudflare.com
A2803:f800:50::6ca2:c21c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcolette.ns.cloudflare.com
A2a06:98c1:50::ac40:221c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcolette.ns.cloudflare.com
A108.162.194.28🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcolette.ns.cloudflare.com
A162.159.38.28Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcolette.ns.cloudflare.com
A172.64.34.28🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcolette.ns.cloudflare.com
NSgeorge.ns.cloudflare.com
A2606:4700:58::adf5:3ba7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgeorge.ns.cloudflare.com
A2803:f800:50::6ca2:c1a7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgeorge.ns.cloudflare.com
A2a06:98c1:50::ac40:21a7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgeorge.ns.cloudflare.com
A108.162.193.167🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgeorge.ns.cloudflare.com
A172.64.33.167🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgeorge.ns.cloudflare.com
A173.245.59.167🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgeorge.ns.cloudflare.com
MXroute1.mx.cloudflare.net ⭐
A2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
MXroute3.mx.cloudflare.net(66)
A2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
MXroute2.mx.cloudflare.net(79)
A2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
TXTgoogle-site-verification=vq2fcZ0Yc0Q5buJE5kJhTszSxESuxschr4SDX9blay8
TXTv=spf1 include:_spf.mx.cloudflare.net include:send.resend.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.5.112, 172.67.133.90
IPv6 hints2606:4700:3033::6815:570, 2606:4700:3037::ac43:855a
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=61, name=cloudflare-ech.com
SOAcolette.ns.cloudflare.comdns@cloudflare.com serial=2411923960

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

mailcheck.co.uk
mailcheck.dk
mailcheck.email
mailcheck.tips
mailcheck.win
mailcheck.org
mailcheck.training
mailcheck.technology
mailcheck.discount
mailcheck.management
mailcheck.ch
mailcheck.ru
mailcheck.tools
mailcheck.net.au
mailcheck.nu
mailcheck.com
mailcheck.store
mailcheck.ro
mailcheck.xyz
mailcheck.systems
mailcheck.contractors
mailcheck.report
mailcheck.shop
mailcheck.dev
mailcheck.software
mailcheck.cz
mailcheck.ovh
mailcheck.domains
mailcheck.io
mailcheck.solutions
mailcheck.land
mailcheck.ai
mailcheck.city
mailcheck.space
mailcheck.direct
mailcheck.eu
mailcheck.center
mailcheck.gratis
mailcheck.de
mailcheck.me
mailcheck.nl
mailcheck.buzz
mailcheck.hu
mailcheck.fr
mailcheck.network
mailcheck.co
mailcheck.be
mailcheck.us
mailcheck.au
mailcheck.net
mailcheck.biz

Similar names

checkmail.ru
checkmail.org
checkmail.be
limacheck.com
checkmail.ca
checkmail.de.com
checkmail.com.br
checkmail.au
checkmail.eu
lamicheck.net.in
checkmail.dk
checkmail.se.net
checkmail.at
checkmail.co
michaelkc.com
checkmail.com.es
checkmail.vn
checkmail.live
checkmail.se
checkmail.gb.net
checkmail.fr
limacheck.es
checkmail.com
mealchick.nl
mechalick.com
lamicheck.com
kchemical.com
checkmail.hk
kamilcech.cz
checkmail.in
checkmail.nl
checkmail.io
mailchekc.fit
checkmail.de
checkmail.net
checkmail.dev
checkmail.com.vn
checkmail.it
checkmail.ch
checkmail.cl
michaleck.de
michaelkc.dk
claimchek.com
kelhamcic.co.uk

Previous names

mailbag.dev
mailbase.dev
mailblue.dev
mailboard.dev
mailboltz.dev
mailborder.dev
mailbox.dev
mailboxmoney.dev
mailbreaker.dev
mailbrew.dev
mailbridge.dev
mailbrief.dev
mailbutler.dev
mailcap.dev
mailcapture.dev
mailcare.dev
mailcart.dev
mailcast.dev
mailcatcher.dev
mailchain.dev

Next names

mailchimp.dev
mailclad.dev
mailconnect.dev
maildeck.dev
maildefender.dev
maildev.dev
maildock.dev
maildrop.dev
maileg.dev
mailer-web.dev
mailer.dev
mailercheck.dev
mailerking.dev
mailerlite.dev
mailerpage.dev
mailers.dev
mailersend.dev
mailey.dev
mailflare.dev
mailflow.dev

DNS History

9 records (9 active, 0 former)

NScolette.ns.cloudflare.comgeorge.ns.cloudflare.comMXroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netA104.21.5.112172.67.133.902606:4700:3033::6815:5702606:4700:3037::ac43:855a
●NScolette.ns.cloudflare.com2026-09-04 → 2026-09-06 · 2 obs
● 2026-09-04 11:55:08
● 2026-09-06 07:57:16
●NSgeorge.ns.cloudflare.com2026-09-04 → 2026-09-06 · 2 obs
● 2026-09-04 11:55:08
● 2026-09-06 07:57:16
●MXroute1.mx.cloudflare.net2026-09-04 → 2026-09-06 · 2 obs
● 2026-09-04 11:55:08
● 2026-09-06 07:57:16
●MXroute2.mx.cloudflare.net2026-09-04 → 2026-09-06 · 2 obs
● 2026-09-04 11:55:08
● 2026-09-06 07:57:16
●MXroute3.mx.cloudflare.net2026-09-04 → 2026-09-06 · 2 obs
● 2026-09-04 11:55:08
● 2026-09-06 07:57:16
●A104.21.5.1122026-09-04 → 2026-09-06 · 2 obs
● 2026-09-04 11:55:08
● 2026-09-06 07:57:16
●A172.67.133.902026-09-04 → 2026-09-06 · 2 obs
● 2026-09-04 11:55:08
● 2026-09-06 07:57:16
●A2606:4700:3033::6815:5702026-09-04 → 2026-09-06 · 2 obs
● 2026-09-04 11:55:08
● 2026-09-06 07:57:16
●A2606:4700:3037::ac43:855a2026-09-04 → 2026-09-06 · 2 obs
● 2026-09-04 11:55:08
● 2026-09-06 07:57:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
mailcheck.devcolette.ns.cloudflare.com, george.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.167

NS records: colette.ns.cloudflare.com, george.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mailcheck.dev (unsigned zone)

⏱️ Timing

Total: 673ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.133.90, 104.21.5.112
AAAA22606:4700:3033::6815:570, 2606:4700:3037::ac43:855a
NS2colette.ns.cloudflare.com, george.ns.cloudflare.com
MX3route1.mx.cloudflare.net (pri: 18), route3.mx.cloudflare.net (pri: 66)...
TXT2google-site-verification=vq2fcZ0Yc0Q5buJ, v=spf1 include:_spf.mx.cloudflare.net in
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1colette.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

mailcheck.dev has four IP addresses: 104.21.5.112, 172.67.133.90, 2606:4700:3033::6815:570 and 2606:4700:3037::ac43:855a.

Two other host names, along with apratimbarua.com, sk-dancepg.com and sdahwqdw99567dwhqe01dw-dwqer.top, also share IP numbers with mailcheck.dev.

Name Servers

Two name servers handle the delegation for mailcheck.dev: colette.ns.cloudflare.com and george.ns.cloudflare.com.

mailcheck.dev shares its NS records with other domains, for example mmanycmanagement.com, wispy-bread-82d4.workers.dev, cratosroyalbett.live and two others.

mailcheck.dev shares at least some of its name servers with other domains, including profast.com.br, 1vtao.com, nstireland.co.uk and two others.

These name servers are frequently seen alongside the name servers osmar.ns.cloudflare.com.

DNS names with 6 IP addresses:

colette.ns.cloudflare.com resolves to 108.162.194.28, 162.159.38.28 and 172.64.34.28 among others, with 3 other IP addresses in total.

george.ns.cloudflare.com resolves to 108.162.193.167, 172.64.33.167 and 173.245.59.167 among others, with 3 other IP addresses in total.

Mail Servers

mailcheck.dev is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

There is at least a partial MX overlap between mailcheck.dev and other domains, including webchallange.com, spotlightsonyou.com, davies-technology.co.uk and two others.

DNS names with 6 IP addresses:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12 and 162.159.205.13 among others, with 3 other IP addresses in total.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18 and 162.159.205.19 among others, with 3 other IP addresses in total.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24 and 162.159.205.25 among others, with 3 other IP addresses in total.