smtp.startupstack.tech - dns.ninja

smtp.startupstack.tech

DNSSEC⚠️ Not signed
A2600:3c01:e000:341::1🇺🇸 AKAMAI-LINODE-AP2600:3c01::/32 Akamai Technologies
PTRsmtp.startupstack.tech
A45.79.102.67🇺🇸 AKAMAI-LINODE-AP45.79.96.0/20 Akamai Technologies
TXTv=spf1 a:smtp.startupstack.tech -all

startupstack.tech

DNSSEC⚠️ Not signed
A2600:3c01:e000:34b::1:0🇺🇸 AKAMAI-LINODE-AP2600:3c01::/32 Akamai Technologies
A192.155.85.154🇺🇸 AKAMAI-LINODE-AP192.155.80.0/21 Akamai Technologies
NSns1.startupstack.tech ⭐
NSns2.startupstack.tech
NSns3.startupstack.tech
NSns4.startupstack.tech
NSns5.startupstack.tech
MXsmtp.startupstack.tech ⭐
TXTgoogle-site-verification=ddpkThYi2Wy_V7fLHP9ST17nwvMjSGZ0ljdtIzQryeA
TXTv=spf1 a:smtp.startupstack.tech -all
SOAns1.startupstack.techhostmaster@startupstack.tech 2026-07-01 #59
🔒 HSTS Preload (+subdomains)
📈 Tranco rank: #607,911

PTR for

67.102.79.45.in-addr.arpa
1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.4.3.0.0.0.0.e.1.0.c.3.0.0.6.2.ip6.arpa

MX for

startupstack.net
startupstack.llc
startupstack.systems
stackstartup.com
startupstack.tech
startup-stack.tech
startupstack.software
startupstack.cloud

Same first word

smtp.com.br
smtp.fun
smtp.agency
smtp.pt
smtp.myshopify.com
smtp.ee
smtp.im
smtp.jelastic.dogado.eu
smtp.cl
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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
smtp.pi.gov.br
smtp.tv
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smtp.net.in
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smtp.si
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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

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mpst.pl
mtsp.gov.mk
mspt.org
pmst.cz
tpms.us
mtps.gob.sv
mtps.co.uk
tmsp.de
spmt.jp
sptm.it
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stmp.jp
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mtps.in
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tmps.nl
tsmp.com.au
stmp.nl
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mpst.net
mtps.gov.br
pmts.fr
tpms.co.uk
ptsm.eu
stmp.co
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mspt.sk
spmt.cn
stpm.org
tmps.info
ptsm.us
mtsp.eu
ptms.com.my
tsmp.net
tsmp.eu
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pmts.com
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smpt.tk
tpms.dk
pstm.co.uk
pmst.org
sptm.eu
ptms.net
stpm.pl
pstm.nl
pstm.ru
pmst.ir
pstm.at
mpst.eu
stpm.ca
tmsp.no-ip.org
ptsm.ru
ptms.in
spmt.org
stpm.de
pstm.org
tpms.co.in
tmsp.email
sptm.org
mtsp.biz
tmsp.org
ptms.eu
pmst.cn
tmsp.ru

DNS History

2 records (2 active, 0 former)

2020202120222023202420252026A2600:3c01:e000:341::145.79.102.67
●A2600:3c01:e000:341::12019-12-19 → 2026-07-07 · 2 obs
● 2019-12-19 06:18:54
● 2026-07-07 13:15:24
●A45.79.102.672019-12-19 → 2026-07-07 · 2 obs
● 2019-12-19 06:18:54
● 2026-07-07 13:15:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
techns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info-
startupstack.techns2.startupstack.tech, ns5.startupstack.tech, ns1.startupstack.tech, ns3.startupstack.tech...10 records

✅ Authoritative Response

Server:92.123.94.3

NS records: ns2.startupstack.tech, ns5.startupstack.tech, ns1.startupstack.tech, ns3.startupstack.tech, ns4.startupstack.tech

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1707ms | Queries: -

📄 Records

TypeCountSample Data
A145.79.102.67
AAAA12600:3c01:e000:341::1
TXT1v=spf1 a:smtp.startupstack.tech -all

📌 Glue Records Collected

Total: 10

In-bailiwick: 10 (ns5.startupstack.tech, ns4.startupstack.tech, ns3.startupstack.tech...)

Analysis

Mail Server Role

Mail for startupstack.net, startupstack.llc, startupstack.systems, stackstartup.com, startupstack.tech and a few other domains is handled by smtp.startupstack.tech.

IP Addresses

smtp.startupstack.tech has two IP addresses: 45.79.102.67 and 2600:3c01:e000:341::1

startup-stack.tech, startupstack.software, dns.startupstack.tech plus two other host names have IP numbers in common with smtp.startupstack.tech.