smtp.devzero.nl - robtex.com

smtp.devzero.nl

DNSSEC⚠️ Not signed
A2a00:1e28:3:3791::1🇳🇱 NL-BIT2a00:1e28::/32 Exonet IPv6
PTRsmtp.devzero.nl
A178.22.62.234🇳🇱 NL-BIT178.22.56.0/21 Exonet

devzero.nl

DNSSEC🔒 Signed (DS record present)
A2a00:1e28:3:3528::1🇳🇱 NL-BIT2a00:1e28::/32 Exonet IPv6
A178.22.62.222🇳🇱 NL-BIT178.22.56.0/21 Exonet
NSns1.exonet.nl ⭐
NSns2.exonet.nl
NSns3.exonet.eu
MXsmtp.devzero.nl ⭐
TXTv=spf1 mx -all
SOAns1.exonet.nlhostmaster@exonet.nl 2026-03-19 #1

PTR for

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.9.7.3.3.0.0.0.8.2.e.1.0.0.a.2.ip6.arpa
234.62.22.178.in-addr.arpa

MX for

devzero.nl
webquestionnaire.nl

Previously MX for

infrastructure-hackers.com

Same first word

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.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.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.day
smtp.net.ru
smtp.edu.ee
smtp.directory
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.tv
smtp.vg

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DNS History

4 records (2 active, 2 former)

2017201820192020202120222023202420252026A178.22.62.2342a00:1e28:3:3791::12a01:7c8:aabd:459::137.97.140.25
●A178.22.62.2342026-02-28 → 2026-03-24 · 3 obs
○ 2016-04-19 20:08:00
● 2026-02-28 23:48:40
● 2026-03-24 20:01:32
●A2a00:1e28:3:3791::12026-02-28 → 2026-03-24 · 3 obs
○ 2016-04-19 20:08:00
● 2026-02-28 23:48:40
● 2026-03-24 20:01:32
○A2a01:7c8:aabd:459::12016-04-19 → 2016-04-19 · 3 obs
● 2016-04-19 20:08:00
○ 2026-02-28 23:48:40
○ 2026-03-24 20:01:32
○A37.97.140.252016-04-19 → 2016-04-19 · 3 obs
● 2016-04-19 20:08:00
○ 2026-02-28 23:48:40
○ 2026-03-24 20:01:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns4.dns.nl, ns3.dns.nl-
devzero.nlns1.exonet.nl, ns2.exonet.nl, ns3.exonet.eu4 records

✅ Authoritative Response

Server:178.22.63.166

NS records: ns1.exonet.nl, ns2.exonet.nl, ns3.exonet.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 733ms | Queries: -

📄 Records

TypeCountSample Data
A1178.22.62.234
AAAA12a00:1e28:3:3791::1

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.exonet.nl, ns1.exonet.nl, ns2.exonet.nl...)

Analysis

Mail Server Role

smtp.devzero.nl serves as the mail server for devzero.nl and webquestionnaire.nl.

IP Addresses

smtp.devzero.nl resolves to two IP numbers: 2a00:1e28:3:3791::1 and 178.22.62.234.