relay.buildsys.cz - robtex.com

relay.buildsys.cz

CNAMEmail.buildsys.cz
DNSSEC⚠️ Not signed
A81.19.4.125🇨🇿 FASTER-AS81.19.0.0/20 FASTER CZ spol. s r.o.
PTRmail.buildsys.cz

buildsys.cz

DNSSEC🔒 Signed (DS record present)
A62.109.155.245🇨🇿 IGNUM-AS62.109.128.0/19 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/
NSns.forpsi.net ⭐
NSns.forpsi.cz
NSns.forpsi.it
MXmail.buildsys.cz ⭐
TXTv=spf1 mx ip4:81.19.4.113 ip4:81.19.4.125 -all
SOAns.forpsi.netadmin@forpsi.com 2026-08-04 #1

PTR for

113.4.19.81.in-addr.arpa

MX for

buildsys.name

Previously MX for

e-spa.cz
buildsys.eu
buildsys.cz
saia.cz

Same first word

relay.mba
relay.ro
relay.run
relay.spb.ru
relay.ie
relay.sumy.ua
relay.net
relay.info
relay.expert
relay.town
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relay.red
relay.io
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relay.graphics
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relay.com.br
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relay.company
relay.cz
relay.chat
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relay.at
relay.cool
relay.tv
relay.in
relay.health
relay.dk
relay.team
relay.net.cn
relay.cv.ua
relay.org
relay.bz
relay.gr
relay.kh.ua
relay.spb.su
relay.mx
relay.de
relay.so
relay.nu
relay.bid
relay.app
relay.cloudapp.net
relay.to
relay.edu
relay.software
relay.delivery
relay.school
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relay.nhs.uk
relay.ir
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relay.nic.in
relay.tw
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relay.link
relay.im
relay.su
relay.club
relay.media
relay.lt
relay.org.tw
relay.ninja
relay.fm
relay.tr
relay.digital
relay.live
relay.ca
relay.kinghost.net
relay.do
relay.com.tw
relay.co.za
relay.ai
relay.co
relay.vc
relay.life
relay.fi
relay.no
relay.es
relay.education
relay.tel
relay.email
relay.gay
relay.kharkov.ua
relay.academy
relay.video
relay.healthcare

Similar names

layer.email
yaler.net
arely.cz
elray.de
layer.gr
ylera.com
raley.us
realy.link
early.deals
arely.ro
layer.co.in
early.education
eryal.com
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layer.com.au
leary.info
layer.team
elyar.co.uk
leray.us
layer.com
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layer.hu
layer.in
early.me
layer.to
realy.com.ua
elyra.com
layer.nl
layer.ro
layer.me
rleay.com
relya.biz
layer.si
yearl.us
layer.com.vn
early.website
elray.es
lyrae.us
early.pk
larey.org
rylea.com
leray.co.uk
raley.org
layer.lv
lyrea.net
layer.dk
arley.com
arely.net
reyal.org
layer.cz
early.pl
eraly.be
elyra.ws
arley.com.br
leary.net.au
layer.ae
reyal.co.in
layer.group
arley.us
raley.com
early.money
elray.nl
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early.cn
early.tech
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early.eu
layer.be
early.de

DNS History

3 records (1 active, 2 former)

20162017201820192020202120222023202420252026A81.19.4.11381.19.4.125CNAMEmail.buildsys.cz
○A81.19.4.1132015-07-15 → 2026-03-26 · 7 obs
● 2015-07-15 22:08:04
● 2026-02-16 21:30:02
○ 2026-02-23 06:25:10
○ 2026-03-11 13:05:24
● 2026-03-26 03:30:36
○ 2026-04-02 03:42:22
○ 2026-08-07 02:35:20
○A81.19.4.1252026-04-02 → 2026-04-09 · 6 obs
○ 2026-03-26 03:30:36
● 2026-04-02 03:42:22
○ 2026-04-05 23:47:46
○ 2026-04-07 23:28:42
● 2026-04-09 22:30:26
○ 2026-08-07 02:35:20
●CNAMEmail.buildsys.cz2026-08-07 → 2026-08-07 · 1 obs
● 2026-08-07 02:35:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
buildsys.czns.forpsi.net, ns.forpsi.it, ns.forpsi.cz2 records

✅ Authoritative Response

Server:81.2.209.185

NS records: ns.forpsi.net, ns.forpsi.it, ns.forpsi.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1390ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1mail.buildsys.cz

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.forpsi.cz, ns.forpsi.cz)

Analysis

Mail Server Role

Mail for buildsys.name is routed through the mail server relay.buildsys.cz.

IP Addresses

relay.buildsys.cz has exactly one IP address — 81.19.4.125.

There are other host names — mail.buildsys.cz among them — that share IP numbers with relay.buildsys.cz.