smtp.sys-data.com - dns.ninja

`smtp.sys-data.com`

DNSSEC	⚠️ Not signed
A	2a02:970:1::ea5^{🇨🇿 SYS-DATACOM2a02:970::/32 IPv6 I.}
		PTR	`smtp.sys-data.com`
		PTR	`smtp.brouzdej.net`
A	2a02:970:1::ea11^{🇨🇿 SYS-DATACOM2a02:970::/32 IPv6 I.}
A	79.98.72.5^{🇨🇿 SYS-DATACOM79.98.72.0/24 TTC 1.}
A	79.98.72.11^{🇨🇿 SYS-DATACOM79.98.72.0/24 TTC 1.}

`sys-data.com`

	DNSSEC	⚠️ Not signed
	A	2a02:970:1::29^{🇨🇿 SYS-DATACOM2a02:970::/32 IPv6 I.}
	A	79.98.72.29^{🇨🇿 SYS-DATACOM79.98.72.0/24 TTC 1.}
	NS	`a.ns.brouzdej.net` ⭐
	NS	`b.ns.brouzdej.net`
	MX	`smtp.sys-data.com` ⭐
	MX	`smtp.brouzdej.net`⁽¹⁰⁰⁾
	MX	`proxmoxmailgateway.sys-data.com`⁽²⁰⁰⁾
	TXT	`google-site-verification=Dhc6AEjqcCbP1THBVDdVMZwU6EsoTJUR9JZRSk9Fuuo`
	TXT	`google-site-verification=9YGOOvCACKDaTYa3Gd2crz2k5WFTghCkP3N2PAWyBuw`
	TXT	`v=spf1 include:_spf.sys-data.com include:_spf.google.com ~all`
	SOA	`a.ns.brouzdej.net`podpora@sys-data.com 2009-06-22 #29

📈 Tranco rank: #532,352

PTR for

5.72.98.79.in-addr.arpa

1.1.a.e.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.0.0.0.0.7.9.0.2.0.a.2.ip6.arpa

11.72.98.79.in-addr.arpa

5.a.e.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.0.0.0.0.7.9.0.2.0.a.2.ip6.arpa

MX for

vlaskovi.cz

sys-data.com

jcnet.cz

cihakit.cz

pako-z.cz

brouzdej.net

manovo.cz

mikrotik.cz

perfektni.net

antispam.sys-data.com

hlukplus.cz

routerboard.cz

Previously MX for

benchrest.cz

jitoja.cz

mo-ta.cz

200.4.185.in-addr.arpa

souky.eu

svetloplus.cz

jaspo.cz

primavera-med.cz

epd-pa.cz

routedworld.com

superpee.cz

peecentrum.cz

specmat.cz

sonka-servis.cz

Same first word

smtp.org.uk

smtp.at

smtp.com.au

smtp.pi.gov.br

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

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.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

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.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

Similar names

tpsm.co.uk

mpst.net

mtps.gov.br

pmts.fr

tpms.co.uk

ptsm.eu

stmp.co

tsmp.com

mspt.sk

spmt.cn

stpm.org

tmps.info

ptsm.us

mtsp.eu

ptms.com.my

mpst.cn

tsmp.net

tsmp.eu

smpt.eu

pmts.com

tsmp.com.br

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

ptms.eu

pmst.cn

tmsp.ru

mpts.com.qa

mstp.net

mtsp.de

ptms.org

pmts.dk

mspt.com

mpst.at

pmts.ca

tmps.net

stmp.se

mspt.xyz

sptm.dk

spmt.ru

pstm.com

stmp.in

mtps.me

mspt.ru

DNS History

4 records (4 active, 0 former)

●A2a02:970:1::ea112017-08-18 → 2026-07-25 · 6 obs

○ 2017-06-05 10:12:20
● 2017-08-18 09:02:04
● 2026-03-20 04:04:16
○ 2026-03-21 02:12:36
● 2026-03-22 19:16:12
● 2026-07-25 17:40:52

●A2a02:970:1::ea52026-02-15 → 2026-07-25 · 6 obs

○ 2017-09-05 13:04:04
● 2026-02-15 01:51:46
● 2026-03-20 04:04:16
○ 2026-03-21 02:12:36
● 2026-03-22 19:16:12
● 2026-07-25 17:40:52

●A79.98.72.112017-06-05 → 2026-07-25 · 6 obs

○ 2017-01-19 00:50:50
● 2017-06-05 10:12:20
● 2026-03-20 04:04:16
○ 2026-03-21 02:12:36
● 2026-03-22 19:16:12
● 2026-07-25 17:40:52

●A79.98.72.52015-08-27 → 2026-07-25 · 9 obs

● 2015-08-27 03:26:02
● 2017-01-19 00:50:50
○ 2017-06-05 10:12:20
○ 2017-09-05 13:04:04
● 2026-02-15 01:51:46
● 2026-03-20 04:04:16
○ 2026-03-21 02:12:36
● 2026-03-22 19:16:12
● 2026-07-25 17:40:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sys-data.com	a.ns.brouzdej.net, b.ns.brouzdej.net	-

✅ Authoritative Response

Server:79.98.72.1

NS records: a.ns.brouzdej.net, b.ns.brouzdej.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sys-data.com (unsigned zone)

⏱️ Timing

Total: 709ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`79.98.72.11, 79.98.72.5`
AAAA	2	`2a02:970:1::ea5, 2a02:970:1::ea11`

Analysis

Mail Server Role

smtp.sys-data.com serves as a mail server for vlaskovi.cz, sys-data.com, jcnet.cz, cihakit.cz, pako-z.cz and a few other domains.

smtp.brouzdej.net and proxmoxmailgateway.sys-data.com tend to appear as mail servers in combination with smtp.sys-data.com.

IP Addresses

smtp.sys-data.com directs to four IP numbers, which are 79.98.72.5, 79.98.72.11, 2a02:970:1::ea5 and 2a02:970:1::ea11.

Additional host names — smtpout.sys-data.com, mail.sys-data.com, smtpout.brouzdej.net and two others — share IP numbers with smtp.sys-data.com.