mailsi.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

mailsi.dev

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:c91e🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:4232🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.66.50Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.201.30🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjermaine.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c9d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjermaine.ns.cloudflare.com
A2803:f800:50::6ca2:c39d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjermaine.ns.cloudflare.com
A2a06:98c1:50::ac40:239d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjermaine.ns.cloudflare.com
A108.162.195.157🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjermaine.ns.cloudflare.com
A162.159.44.157Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjermaine.ns.cloudflare.com
A172.64.35.157🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjermaine.ns.cloudflare.com
NSsummer.ns.cloudflare.com
A2606:4700:50::a29f:2609🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsummer.ns.cloudflare.com
A2803:f800:50::6ca2:c209🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsummer.ns.cloudflare.com
A2a06:98c1:50::ac40:2209🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsummer.ns.cloudflare.com
A108.162.194.9🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsummer.ns.cloudflare.com
A162.159.38.9Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsummer.ns.cloudflare.com
A172.64.34.9🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsummer.ns.cloudflare.com
MXmx.mailsi.dev ⭐
A3.1.56.146🇸🇬 Amazon3.0.0.0/15 EC2 SIN prefix
PTRmx.mailsi.dev
TXTgoogle-site-verification=jfomWIPc3_pq96owf2PErmUx8DPTEv7qXsDw5lJ2Veo
TXTgoogle-site-verification=xcP-Pa4dpb1-hZ9KZ92o0tM-QKmzTinhKad8jFBuumQ
TXTv=spf1 include:spf.mailsi.dev -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.66.50, 172.67.201.30
IPv6 hints2606:4700:3033::ac43:c91e, 2606:4700:3035::6815:4232
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=210, name=cloudflare-ech.com
SOAjermaine.ns.cloudflare.comdns@cloudflare.com serial=2417481929

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)

Subdomains

mx.mailsi.dev

Same first word

mailsi.app
mailsi.pl
mailsi.cz
mailsi.com
mailsi.io
mailsi.xyz
mailsi.online
mailsi.com.au
mailsi.biz
mailsi.blogspot.com
mailsi.de
mailsi.co.uk
mailsi.com.pk
mailsi.net
mailsi.dev

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islami.at
ismail.au
islami.cc
mailis.jp
simail.net
silima.es
ailims.cn
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iamlis.de
smaili.ee
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ismail.codes
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ismail.lol
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liamsi.app
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simila.us
asilim.site

Previous names

mailqa.dev
mailrack.dev
mailrail.dev
mailready.dev
mailrelay.dev
mailrow.dev
mails.dev
mailsafe.dev
mailscale.dev
mailscribe.dev
mailseals.dev
mailsend.dev
mailsense.dev
mailsentry.dev
mailserver.dev
mailsf.dev
mailsfor.dev
mailshell.dev
mailshield.dev
mailshot.dev

Next names

mailsift.dev
mailsink.dev
mailsite.dev
mailslot.dev
mailslurp.dev
mailsnail.dev
mailsoftly.dev
mailson.dev
mailspark.dev
mailspool.dev
mailspro.dev
mailstack.dev
mailstage.dev
mailstamp.dev
mailstar.dev
mailstash.dev
mailstation.dev
mailster.dev
mailstore.dev
mailstorm.dev

DNS History

7 records (7 active, 0 former)

NSjermaine.ns.cloudflare.comsummer.ns.cloudflare.comMXmx.mailsi.devA104.21.66.50172.67.201.302606:4700:3033::ac43:c91e2606:4700:3035::6815:4232
●NSjermaine.ns.cloudflare.com2026-10-13 → 2026-10-29 · 2 obs
● 2026-10-13 16:25:26
● 2026-10-29 13:44:08
●NSsummer.ns.cloudflare.com2026-10-13 → 2026-10-29 · 2 obs
● 2026-10-13 16:25:26
● 2026-10-29 13:44:08
●MXmx.mailsi.dev2026-10-13 → 2026-10-29 · 2 obs
● 2026-10-13 20:19:02
● 2026-10-29 13:44:08
●A104.21.66.502026-10-18 → 2026-10-29 · 2 obs
● 2026-10-18 04:02:40
● 2026-10-29 13:44:08
●A172.67.201.302026-10-18 → 2026-10-29 · 2 obs
● 2026-10-18 04:02:40
● 2026-10-29 13:44:08
●A2606:4700:3033::ac43:c91e2026-10-18 → 2026-10-29 · 2 obs
● 2026-10-18 04:02:40
● 2026-10-29 13:44:08
●A2606:4700:3035::6815:42322026-10-18 → 2026-10-29 · 2 obs
● 2026-10-18 04:02:40
● 2026-10-29 13:44:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...10 records
mailsi.devjermaine.ns.cloudflare.com, summer.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.9

NS records: jermaine.ns.cloudflare.com, summer.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mailsi.dev (unsigned zone)

⏱️ Timing

Total: 1549ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.201.30, 104.21.66.50
AAAA22606:4700:3033::ac43:c91e, 2606:4700:3035::6815:4232
NS2jermaine.ns.cloudflare.com, summer.ns.cloudflare.com
MX1mx.mailsi.dev (pri: 10)
TXT3google-site-verification=jfomWIPc3_pq96o, google-site-verification=xcP-Pa4dpb1-hZ9...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1jermaine.ns.cloudflare.com dns.cloudflar

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

Hierarchy

The domain mx.mailsi.dev falls under the parent mailsi.dev.

IP Addresses

mailsi.dev directs to four IP numbers, which are 104.21.66.50, 172.67.201.30, 2606:4700:3033::ac43:c91e and 2606:4700:3035::6815:4232.

atlaselectricalonline.com, elegantspacedesign.shop, kkyp.com.cn plus two other host names have IP numbers in common with mailsi.dev.

Name Servers

DNS delegation for mailsi.dev points to two name servers: jermaine.ns.cloudflare.com and summer.ns.cloudflare.com.

The name server configuration of mailsi.dev is shared with other domains, for instance rootkit-01008142.workers.dev, cem00770-00002.pages.dev, wsad6666.pages.dev and two others.

At least some of mailsi.dev's name servers are shared with other domains, for example pjx8.net, circuitmultimentor.site, celutionseducation.com and two more.

These name servers are often deployed together with the name servers joyce.ns.cloudflare.com, colette.ns.cloudflare.com, andy.ns.cloudflare.com and micah.ns.cloudflare.com.

Hosts with 6 IP addresses each:

jermaine.ns.cloudflare.com has IP addresses 108.162.195.157, 162.159.44.157 and 172.64.35.157, plus 3 other.

summer.ns.cloudflare.com has IP addresses 108.162.194.9, 162.159.38.9 and 172.64.34.9, plus 3 other.

Mail Servers

mailsi.dev uses one mail server — mx.mailsi.dev.

mx.mailsi.dev has exactly one IP number: 3.1.56.146.