smtp.dev - robtex.com

smtp.dev

DNSSEC🔒 Signed (DS record present)
A2606:4700:20::681a:e9e🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::681a:f9e🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::ac43:4761🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.14.158Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.15.158Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.71.97🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScurt.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b5e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcurt.ns.cloudflare.com
A2803:f800:50::6ca2:c15e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcurt.ns.cloudflare.com
A2a06:98c1:50::ac40:215e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcurt.ns.cloudflare.com
A108.162.193.94🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcurt.ns.cloudflare.com
A172.64.33.94🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcurt.ns.cloudflare.com
A173.245.59.94🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcurt.ns.cloudflare.com
NSnora.ns.cloudflare.com
A2606:4700:50::adf5:3ad5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnora.ns.cloudflare.com
A2803:f800:50::6ca2:c0d5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnora.ns.cloudflare.com
A2a06:98c1:50::ac40:20d5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnora.ns.cloudflare.com
A108.162.192.213🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnora.ns.cloudflare.com
A172.64.32.213🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnora.ns.cloudflare.com
A173.245.58.213🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnora.ns.cloudflare.com
MXmx.yandex.net ⭐
A2a02:6b8::311🇷🇺 TELETECH2a02:6b8::/32 Yandex network
PTRmxfront.stable.qloud-b.yandex.net
A77.88.21.249🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network
PTRmxfront.stable.qloud-b.yandex.net
TXTahrefs-site-verification_b7d968db54aee382a3c802d95c55d65b9a96da74e202ca1fda06...
TXTv=spf1 redirect=_spf.yandex.net
TXTyandex-verification: c2b9c3bbd0e3aa2f
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.26.14.158, 104.26.15.158, 172.67.71.97
IPv6 hints2606:4700:20::681a:e9e, 2606:4700:20::681a:f9e, 2606:4700:20::ac43:4761
SOAcurt.ns.cloudflare.comdns@cloudflare.com serial=2402359749

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
📈 Tranco rank: #858,957
🔒 HSTS Preload (+subdomains)

Subdomains

mx.smtp.dev

Same first word

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
smtp.pub
smtp.hosting
smtp.nu
smtp.tj
smtp.tools
smtp.com
smtp.com.mx
smtp.sk
smtp.co.hu
smtp.ws
smtp.uni5.net
smtp.jc.neen.it
smtp.vn
smtp.to
smtp.mircloud.host
smtp.demo.jelastic.com
smtp.gouv.km
smtp.hotmail
smtp.com.ph
smtp.be
smtp.nz
smtp.moe
smtp.re
smtp.ms
smtp.ca
smtp.paas.datacenter.fi
smtp.fm
smtp.co.ke
smtp.lt
smtp.fi.cloudplatform.fi
smtp.de
smtp.services
smtp.live
smtp.fi
smtp.uk
smtp.or.tz
smtp.cloudaccess.net
smtp.cat
smtp.az
smtp.dev
smtp.unicloud.pl
smtp.paas.massivegrid.com
smtp.mil.tw
smtp.it
smtp.solutions
smtp.pythonanywhere.com
smtp.li
smtp.ru
smtp.se
smtp.co.za
smtp.mydns.jp
smtp.gc.ca
smtp.me
smtp.fi.it
smtp.rs.gov.br
smtp.gov.ru
smtp.business
smtp.ooo
smtp.jelastic.saveincloud.net
smtp.in
smtp.net.au
smtp.to.gov.br
smtp.com.br
smtp.fun
smtp.agency
smtp.pt
smtp.myshopify.com
smtp.ee
smtp.im
smtp.jelastic.dogado.eu
smtp.lat
smtp.cl
smtp.mk
smtp.lu
smtp.id
smtp.eu
smtp.fail
smtp.bz
smtp.ro
smtp.pl
smtp.goog
smtp.news
smtp.j.scaleforce.net
smtp.lv
smtp.fr
smtp.store
smtp.gratis
smtp.co.at
smtp.gov.ps
smtp.gov.rs
smtp.eu.org
smtp.sc.gov.br
smtp.in-berlin.de
smtp.appengine.flow.ch
smtp.kinghost.net
smtp.org
smtp.es-1.axarnet.cloud
smtp.co.kr
smtp.(0x787878)
smtp.co.nz
smtp.kz
smtp.com.tr
smtp.jcloud.kz
smtp.sp.gov.br
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.at
smtp.com.au

Similar names

sptm.jp
sptm.com
mtps.eu
mstp.de
stmp.fi
mpts.pl
psmt.com.ph
mpts.info
pstm.eu
tpms.pro
tmps.us
ptms.de
psmt.org
tpms.de
mtsp.com.mx
psmt.ru
mstp.cz
mpst.info
mtps.ca
tpms.fr
tmps.guru
tmsp.com
mtps.co.za
tpms.be
mtps.net
tmps.fr
mtps.it
mtsp.jp
pmst.de
tpsm.com
stmp.no
spmt.net
pmst.ru
stmp.ru
mpst.co
mspt.de
mpts.eu
tpms.info
mtsp.net
spmt.ca
pmst.lt
tpsm.de
spmt.my
stpm.cz
psmt.de
tspm.org
pmts.org
mstp.us
spmt.pl
ptms.biz
smpt.ru
stmp.org
mpst.sp.gov.br
mtsp.com
psmt.com
mtsp.com.ua
mspt.in
tmsp.com.au
mtps.info
mtps.com.tw
tpms.se
tpms.nl
psmt.ca
tmsp.us
tpms.net
mtsp.ru
tpms.ie

DNS History

11 records (9 active, 2 former)

2017201820192020202120222023202420252026NScurt.ns.cloudflare.comnora.ns.cloudflare.comMXmx.yandex.netyour-dns-needs-immediate-attention.devA104.26.14.158104.26.15.158172.67.71.972606:4700:20::681a:e9e2606:4700:20::681a:f9e2606:4700:20::ac43:4761127.0.53.53
●NScurt.ns.cloudflare.com2026-02-14 → 2026-04-23 · 2 obs
● 2026-02-14 22:59:36
● 2026-04-23 19:30:08
●NSnora.ns.cloudflare.com2026-02-14 → 2026-04-23 · 2 obs
● 2026-02-14 22:59:36
● 2026-04-23 19:30:08
●MXmx.yandex.net2026-02-14 → 2026-04-23 · 3 obs
○ 2017-12-25 22:27:54
● 2026-02-14 22:59:36
● 2026-04-23 19:30:08
○MXyour-dns-needs-immediate-attention.dev2016-10-24 → 2017-12-25 · 4 obs
● 2016-10-24 06:58:30
● 2017-12-25 22:27:54
○ 2026-02-14 22:59:36
○ 2026-04-23 19:30:08
●A104.26.14.1582026-02-14 → 2026-04-23 · 3 obs
○ 2017-12-25 22:27:54
● 2026-02-14 22:59:36
● 2026-04-23 19:30:08
●A104.26.15.1582026-02-14 → 2026-04-23 · 3 obs
○ 2017-12-25 22:27:54
● 2026-02-14 22:59:36
● 2026-04-23 19:30:08
○A127.0.53.532016-10-24 → 2017-12-25 · 4 obs
● 2016-10-24 06:58:30
● 2017-12-25 22:27:54
○ 2026-02-14 22:59:36
○ 2026-04-23 19:30:08
●A172.67.71.972026-02-14 → 2026-04-23 · 3 obs
○ 2017-12-25 22:27:54
● 2026-02-14 22:59:36
● 2026-04-23 19:30:08
●A2606:4700:20::681a:e9e2026-02-14 → 2026-04-23 · 3 obs
○ 2017-12-25 22:27:54
● 2026-02-14 22:59:36
● 2026-04-23 19:30:08
●A2606:4700:20::681a:f9e2026-02-14 → 2026-04-23 · 3 obs
○ 2017-12-25 22:27:54
● 2026-02-14 22:59:36
● 2026-04-23 19:30:08
●A2606:4700:20::ac43:47612026-02-14 → 2026-04-23 · 3 obs
○ 2017-12-25 22:27:54
● 2026-02-14 22:59:36
● 2026-04-23 19:30:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
smtp.devnora.ns.cloudflare.com, curt.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.94

NS records: nora.ns.cloudflare.com, curt.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 463ms | Queries: -

📄 Records

TypeCountSample Data
A3104.26.15.158, 172.67.71.97...
AAAA32606:4700:20::681a:f9e, 2606:4700:20::ac43:4761...
NS2curt.ns.cloudflare.com, nora.ns.cloudflare.com
MX1mx.yandex.net (pri: 10)
TXT3ahrefs-site-verification_b7d968db54aee38, v=spf1 redirect=_spf.yandex.net...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1curt.ns.cloudflare.com dns.cloudflare.co

Analysis

Hierarchy

smtp.dev is the parent of mx.smtp.dev.

IP Addresses

Six IP numbers are pointed to by smtp.dev: 2606:4700:20::681a:e9e, 2606:4700:20::681a:f9e, 2606:4700:20::ac43:4761, 104.26.14.158, 104.26.15.158 and 172.67.71.97.

other host names for instance git.evulid.cc, www.alfastore.de, my.solidwp.com, www.bluebookofguitarvalues.com and tilebar.tilebar-vis.com share IP numbers with smtp.dev.

Name Servers

smtp.dev is delegated to two name servers: curt.ns.cloudflare.com and nora.ns.cloudflare.com.

smtp.dev shares the same name server setup as other domains, for example femboyvideo.com, tsluv.com, utahchristianfellowship.com, tandoorirestaurants.pk and gvi.co.uk.

smtp.dev at least partially shares name servers with other domains, for instance salozupi.shop, mba-aom.ca, betanoshops.ng, maidservant.org and solairgg.world.

These name servers are commonly used with the name servers wesley.ns.cloudflare.com.

Host names with six IP numbers:

curt.ns.cloudflare.com points to: 2606:4700:58::adf5:3b5e, 2803:f800:50::6ca2:c15e, 2a06:98c1:50::ac40:215e, 108.162.193.94, 172.64.33.94 and 173.245.59.94; nora.ns.cloudflare.com points to: 2606:4700:50::adf5:3ad5, 2803:f800:50::6ca2:c0d5, 2a06:98c1:50::ac40:20d5, 108.162.192.213, 172.64.32.213 and 173.245.58.213.

Mail Servers

smtp.dev is handled by a single mail server, mx.yandex.net.

smtp.dev shares the same mail server setup as other domains, for instance webhost.az, parustech.ru, penzahim.ru, ulusalvize.com and cgnf.ru.

smtp.dev shares mail servers with other domains at least partially, including williz.ru, sm89.ru, imfast.com, ddtoao.ru and lemonfish.ru.

Host mx.yandex.net resolves to two IPs: 2a02:6b8::311 and 77.88.21.249.