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=2407375126

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: #464,470
🔒 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.ru
smtp.se
smtp.co.za
smtp.mydns.jp
smtp.gov.mn
smtp.gc.ca
smtp.me
smtp.fi.it
smtp.rs.gov.br
smtp.pb.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.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.gouv.sn
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 → 2026-07-03 · 2 obs
● 2026-02-14 22:59:36
● 2026-07-03 13:38:52
●NSnora.ns.cloudflare.com2026-02-14 → 2026-07-03 · 2 obs
● 2026-02-14 22:59:36
● 2026-07-03 13:38:52
●MXmx.yandex.net2026-02-14 → 2026-07-03 · 3 obs
○ 2017-12-25 22:27:54
● 2026-02-14 22:59:36
● 2026-07-03 13:38:52
○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
○ 2026-07-03 13:38:52
●A104.26.14.1582026-02-14 → 2026-07-03 · 3 obs
○ 2017-12-25 22:27:54
● 2026-02-14 22:59:36
● 2026-07-03 13:38:52
●A104.26.15.1582026-02-14 → 2026-07-03 · 3 obs
○ 2017-12-25 22:27:54
● 2026-02-14 22:59:36
● 2026-07-03 13:38:52
○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
○ 2026-07-03 13:38:52
●A172.67.71.972026-02-14 → 2026-07-03 · 3 obs
○ 2017-12-25 22:27:54
● 2026-02-14 22:59:36
● 2026-07-03 13:38:52
●A2606:4700:20::681a:e9e2026-02-14 → 2026-07-03 · 3 obs
○ 2017-12-25 22:27:54
● 2026-02-14 22:59:36
● 2026-07-03 13:38:52
●A2606:4700:20::681a:f9e2026-02-14 → 2026-07-03 · 3 obs
○ 2017-12-25 22:27:54
● 2026-02-14 22:59:36
● 2026-07-03 13:38:52
●A2606:4700:20::ac43:47612026-02-14 → 2026-07-03 · 3 obs
○ 2017-12-25 22:27:54
● 2026-02-14 22:59:36
● 2026-07-03 13:38:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...10 records
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: 685ms | Queries: -

📄 Records

TypeCountSample Data
A3172.67.71.97, 104.26.15.158...
AAAA32606:4700:20::681a:f9e, 2606:4700:20::681a:e9e...
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

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

Hierarchy

smtp.dev serves as the parent of mx.smtp.dev.

IP Addresses

smtp.dev resolves to 6 IP numbers: 104.26.14.158, 104.26.15.158, 172.67.71.97 and 3 other.

Additional host names — www.ban(0x616e616c)oves.com, www.alfastore.de, my.solidwp.com and two others — share IP numbers with smtp.dev.

Name Servers

Two name servers handle the delegation for smtp.dev: curt.ns.cloudflare.com and nora.ns.cloudflare.com.

smtp.dev shares its name server setup with other domains, including femboyvideo.com, tsluv.com, utahchristianfellowship.com and two others.

smtp.dev has at least partial name server overlap with other domains, such as salozupi.shop, mba-aom.ca, betanoshops.ng and two others.

It is common to see these name servers used together with name servers rafe.ns.cloudflare.com and alina.ns.cloudflare.com.

Host names with 6 IP numbers:

curt.ns.cloudflare.com resolves to 108.162.193.94, 172.64.33.94 and 173.245.59.94 among others, with 3 other IP addresses in total.

nora.ns.cloudflare.com resolves to 108.162.192.213, 172.64.32.213 and 173.245.58.213 among others, with 3 other IP addresses in total.

Mail Servers

smtp.dev has one mail server: mx.yandex.net.

smtp.dev shares the same mail server setup as other domains, including webhost.az, parustech.ru, penzahim.ru and two others.

smtp.dev shares mail servers — at least in part — with other domains, including tplinks.com, williz.ru, sm89.ru and two others.

mx.yandex.net has two IP addresses: 77.88.21.249 and 2a02:6b8::311.