mail.js21.nl - robtex.com

mail.js21.nl

DNSSEC⚠️ Not signed
MXsmtp.rzone.de ⭐
A2a01:238:20a:202:50f0::2097🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRsmtp.rzone.de
A81.169.145.98🇩🇪 STRATO81.169.144.0/22 AG
PTRsmtp.rzone.de

js21.nl

DNSSEC🔒 Signed (DS record present)
A2001:8d8:100f:f000::200🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910
A217.160.0.14🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3
NSdocks12.rzone.de ⭐
NSshades11.rzone.de
MXsmtp.rzone.de ⭐
SOAdocks12.rzone.dehostmaster@strato-rz.de 2025-10-14 #24

Previously MX for

js21.nl

Same first word

mail.ch
mail.partners
mail.mt
mail.golffan.us
mail.town
mail.sh
mail.nom.za
mail.com.br
mail.com.ph
mail.co.ua
mail.bike
mail.gr
mail.srv.br
mail.dyn-vpn.de
mail.serveminecraft.net
mail.gov.cn
mail.staba.jp
mail.pinoko.jp
mail.in.th
mail.tech
mail.rakkestad.no
mail.gov.bm
mail.com.py
mail.guru
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mail.lv
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mail.in-berlin.de
mail.no-ip.biz
mail.host
mail.management
mail.qld.gov.au
mail.pm
mail.wf
mail.ltd
mail.com.pe
mail.marketing
mail.velvet.jp
mail.fage
mail.coach
mail.abbott
mail.weir
mail.wroclaw.pl
mail.et
mail.za.net
mail.bz
mail.fakefur.jp
mail.sb
mail.ht
mail.ax
mail.spdns.eu
mail.collegefan.org
mail.com.cn
mail.cab
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mail.lat
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mail.mydns.tw
mail.report
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mail.gob.bo
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mail.dix.asia
mail.gov.nr
mail.sg
mail.eu.com
mail.camp
mail.nic.za
mail.pink
mail.vg
mail.guide
mail.chips.jp
mail.info
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mail.gw
mail.tv
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mail.eg
mail.chu.jp
mail.gouv.sn
mail.gov.la
mail.sub.jp
mail.co.ro
mail.com.sg
mail.kikirara.jp
mail.mydns.jp
mail.hr
mail.gov.tn
mail.pb.gov.br
mail.oops.jp
mail.eu
mail.(0x7075737379)cat.jp
mail.tm
mail.boo.jp
mail.co.za
mail.zp.ua
mail.ac.me

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026MXsmtp.rzone.deA46.21.172.161
●MXsmtp.rzone.de2026-04-12 → 2026-04-12 · 1 obs
● 2026-04-12 09:14:22
○A46.21.172.1612015-06-28 → 2016-07-18 · 3 obs
● 2015-06-28 23:45:42
● 2016-07-18 11:39:10
○ 2026-04-12 09:14:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
js21.nldocks12.rzone.de, shades11.rzone.de-

✅ Authoritative Response

Server:185.132.34.138

NS records: docks12.rzone.de, shades11.rzone.de

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 808ms | Queries: -

📄 Records

TypeCountSample Data
MX1smtp.rzone.de (pri: 5)

Analysis

Mail Servers

mail.js21.nl is handled by a single mail server, smtp.rzone.de.

mail.js21.nl shares the same mail server setup as other domains, for instance alliens.info, maxvangeet.nl, concours.je-gagne.net, home2.nl and vintagetshirt.nl.

smtp.rzone.de resolves to two IPs: 2a01:238:20a:202:50f0::2097 and 81.169.145.98.