smtp.dev - dns.ninja

smtp.dev

DNSSEC🔒 Signed (DS record present)
A2606:4700::6812:10a4🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700::6812:11a4🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.16.164Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.17.164Cloudflare104.18.16.0/20 , 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
A172.64.32.213🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A173.245.58.213🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
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 hints104.18.16.164, 104.18.17.164
IPv6 hints2606:4700::6812:10a4, 2606:4700::6812:11a4
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=191, name=cloudflare-ech.com
SOAcurt.ns.cloudflare.comdns@cloudflare.com serial=2410214928

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: #488,251
🔒 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
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smtp.lt
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smtp.cat
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smtp.unicloud.pl
smtp.paas.massivegrid.com
smtp.mil.tw
smtp.it
smtp.solutions
smtp.gouv.ml
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.pt
smtp.myshopify.com
smtp.ee
smtp.im
smtp.jelastic.dogado.eu
smtp.cl
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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.bot
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.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
smtp.pi.gov.br

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
mstp.at
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
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

DNS History

15 records (7 active, 8 former)

2017201820192020202120222023202420252026NScurt.ns.cloudflare.comnora.ns.cloudflare.comMXmx.yandex.netyour-dns-needs-immediate-attention.devA104.18.16.164104.18.17.1642606:4700::6812:10a42606:4700::6812:11a4104.26.14.158104.26.15.158127.0.53.53172.67.71.972606:4700:20::681a:e9e2606:4700:20::681a:f9e2606:4700:20::ac43:4761
●NScurt.ns.cloudflare.com2026-02-14 → 2026-07-22 · 2 obs
● 2026-02-14 22:59:36
● 2026-07-22 19:19:38
●NSnora.ns.cloudflare.com2026-02-14 → 2026-07-22 · 2 obs
● 2026-02-14 22:59:36
● 2026-07-22 19:19:38
●MXmx.yandex.net2026-02-14 → 2026-07-22 · 3 obs
○ 2017-12-25 22:27:54
● 2026-02-14 22:59:36
● 2026-07-22 19:19:38
○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
○ 2026-07-22 19:19:38
●A104.18.16.1642026-07-21 → 2026-07-22 · 3 obs
○ 2026-02-14 22:59:36
● 2026-07-21 22:51:44
● 2026-07-22 19:19:38
●A104.18.17.1642026-07-21 → 2026-07-22 · 3 obs
○ 2026-02-14 22:59:36
● 2026-07-21 22:51:44
● 2026-07-22 19:19:38
○A104.26.14.1582026-02-14 → 2026-02-14 · 4 obs
○ 2017-12-25 22:27:54
● 2026-02-14 22:59:36
○ 2026-07-21 22:51:44
○ 2026-07-22 19:19:38
○A104.26.15.1582026-02-14 → 2026-02-14 · 4 obs
○ 2017-12-25 22:27:54
● 2026-02-14 22:59:36
○ 2026-07-21 22:51:44
○ 2026-07-22 19:19:38
○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
○ 2026-07-22 19:19:38
○A172.67.71.972026-02-14 → 2026-02-14 · 4 obs
○ 2017-12-25 22:27:54
● 2026-02-14 22:59:36
○ 2026-07-21 22:51:44
○ 2026-07-22 19:19:38
●A2606:4700::6812:10a42026-07-21 → 2026-07-22 · 3 obs
○ 2026-02-14 22:59:36
● 2026-07-21 22:51:44
● 2026-07-22 19:19:38
●A2606:4700::6812:11a42026-07-21 → 2026-07-22 · 3 obs
○ 2026-02-14 22:59:36
● 2026-07-21 22:51:44
● 2026-07-22 19:19:38
○A2606:4700:20::681a:e9e2026-02-14 → 2026-02-14 · 4 obs
○ 2017-12-25 22:27:54
● 2026-02-14 22:59:36
○ 2026-07-21 22:51:44
○ 2026-07-22 19:19:38
○A2606:4700:20::681a:f9e2026-02-14 → 2026-02-14 · 4 obs
○ 2017-12-25 22:27:54
● 2026-02-14 22:59:36
○ 2026-07-21 22:51:44
○ 2026-07-22 19:19:38
○A2606:4700:20::ac43:47612026-02-14 → 2026-02-14 · 4 obs
○ 2017-12-25 22:27:54
● 2026-02-14 22:59:36
○ 2026-07-21 22:51:44
○ 2026-07-22 19:19:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...-
smtp.devcurt.ns.cloudflare.com, nora.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.94

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 690ms | Queries: -

📄 Records

TypeCountSample Data
A2104.18.16.164, 104.18.17.164
AAAA22606:4700::6812:11a4, 2606:4700::6812:10a4
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

mx.smtp.dev is delegated beneath smtp.dev.

IP Addresses

smtp.dev directs to four IP numbers, which are 104.18.16.164, 104.18.17.164, 2606:4700::6812:10a4 and 2606:4700::6812:11a4.

Two other host names, along with wtr.kwcafeterias.com, fullmoviesc.com and userwarmup.com, also share IP numbers with smtp.dev.

Name Servers

smtp.dev is served by two delegated name servers, curt.ns.cloudflare.com and nora.ns.cloudflare.com.

smtp.dev shares its NS records with other domains, for example femboyvideo.com, tsluv.com, utahchristianfellowship.com and two others.

There is at least partial name server overlap between smtp.dev and other domains — salozupi.shop, mba-aom.ca, betanoshops.ng and two more among them.

These name servers frequently co-occur with the name servers rafe.ns.cloudflare.com and alina.ns.cloudflare.com.

DNS names with 6 IP addresses:

curt.ns.cloudflare.com carries IP addresses 108.162.193.94, 172.64.33.94 and 173.245.59.94, with 3 other addresses beyond those.

nora.ns.cloudflare.com carries IP addresses 108.162.192.213, 172.64.32.213 and 173.245.58.213, with 3 other addresses beyond those.

Mail Servers

The sole mail server for smtp.dev is mx.yandex.net.

Among the domains sharing a mail server setup with smtp.dev are webhost.az, parustech.ru, penzahim.ru and two others.

There is at least a partial MX overlap between smtp.dev and other domains, including tplinks.com, williz.ru, sm89.ru and two others.

mx.yandex.net carries two IP numbers: 77.88.21.249 and 2a02:6b8::311.