smtp.btosa.com.mx - robtex.com

smtp.btosa.com.mx

DNSSEC⚠️ Not signed

btosa.com.mx

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:d32d🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:4dbf🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.77.191Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.211.45🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSearl.ns.cloudflare.com ⭐
NSzelda.ns.cloudflare.com
MXeforward1.registrar-servers.com ⭐
MXeforward2.registrar-servers.com ⭐
MXeforward3.registrar-servers.com ⭐
MXeforward4.registrar-servers.com(15)
MXeforward5.registrar-servers.com(20)
TXTv=spf1 include:spf.efwd.registrar-servers.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.77.191, 172.67.211.45
IPv6 hints2606:4700:3030::ac43:d32d, 2606:4700:3036::6815:4dbf
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=251, name=cloudflare-ech.com
SOAearl.ns.cloudflare.comdns@cloudflare.com serial=2410623435

Previously MX for

btosa.com.mx

Same first word

smtp.ru
smtp.se
smtp.co.za
smtp.mydns.jp
smtp.gov.mn
smtp.gc.ca
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smtp.gov.ru
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smtp.cl
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smtp.fr
smtp.store
smtp.gratis
smtp.co.at
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smtp.gov.rs
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smtp.net.ru
smtp.edu.ee
smtp.j.layershift.co.uk
smtp.net.ua
smtp.hu
smtp.mail.pl
smtp.iki.fi
smtp.org.uk
smtp.uz
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smtp.tv
smtp.vg
smtp.ox.rs
smtp.co
smtp.su
smtp.radio.fm
smtp.net
smtp.dk
smtp.guru
smtp.io
smtp.cz
smtp.dedibox.fr
smtp.net.in
smtp.network
smtp.co.il
smtp.si
smtp.software
smtp.com.es
smtp.nhs.uk
smtp.ch
smtp.zone
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smtp.tools
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smtp.sk
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DNS History

1 record (0 active, 1 former)

2017201820192020202120222023202420252026A50.23.248.181
○A50.23.248.1812016-05-27 → 2016-05-27 · 2 obs
● 2016-05-27 14:33:32
○ 2026-08-13 03:56:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
mxc.mx-ns.mx, e.mx-ns.mx, i.mx-ns.mx, m.mx-ns.mx...-
btosa.com.mxearl.ns.cloudflare.com, zelda.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.161

NS records: earl.ns.cloudflare.com, zelda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for btosa.com.mx (unsigned zone)

⏱️ Timing

Total: 968ms | Queries: -

📄 Records

TypeCountSample Data