`smtp.io-network.de`

DNSSEC	⚠️ Not signed
A	2a01:4f8:221:1a84::211^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`kunden.io-network.de`
A	188.40.21.211^{🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1}

`io-network.de`

	DNSSEC	🔒 Signed (DS record present)
	A	2a01:4f8:221:1a84::211^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
	A	188.40.21.211^{🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1}
	NS	`ns1.domaindiscount24.net` ⭐
	NS	`ns2.domaindiscount24.net`
	NS	`ns3.domaindiscount24.net`
	MX	`kunden.io-network.de` ⭐
	MX	`mx.io-network.de`⁽¹⁰⁾
	TXT	`v=spf1 a mx a:kunden.io-network.de ~all`
	SOA	`ns1.domaindiscount24.net`tech@key-systems.net serial=2026013939

MX for

ikw-ev.org

mc-gruene-teufel.de

grelak.de

bsp-reformer.de

Previously MX for

ives.de

Same first word

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.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

smtp.ox.rs

smtp.co

smtp.su

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.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

Similar names

mpts.ru

tmps.com.au

sptm.com.au

pstm.my

tpms.co.nz

tpms.cz

tmsp.co.jp

tpms.tools

mtsp.com.my

tpms.co

mpts.us

mtsp.me

mtsp.info

smpt.com

mtps.us

smpt.ch

stmp.cn

ptms.com.tw

pmst.pl

tspm.ru

smpt.org

ptms.ca

pmts.net

stpm.eu

stpm.fr

tpms.eu

mtps.org

ptsm.org

tpms.ca

stmp.it

mpts.net

pmts.de

sptm.com.cn

tmsp.net

stmp.de

mstp.ir

tpms.nu

tsmp.ru

sptm.jp

sptm.com

mtps.eu

mstp.de

stmp.fi

mpts.pl

psmt.com.ph

mpts.info

pstm.eu

tpms.pro

tmps.us

ptms.de

psmt.org

tpms.de

mtsp.com.mx

psmt.ru

mstp.cz

mpst.info

mtps.ca

tpms.fr

tmps.guru

tmsp.com

mtps.co.za

tpms.be

mtps.net

tmps.fr

mtps.it

mtsp.jp

DNS History

3 records (2 active, 1 former)

●A188.40.21.2112015-07-20 → 2026-04-14 · 2 obs

● 2015-07-20 05:04:50
● 2026-04-14 16:50:16

○A2a01:4f8:101:22a6::2112016-11-18 → 2017-06-27 · 5 obs

○ 2015-07-20 05:04:50
● 2016-11-18 18:11:44
● 2017-06-27 03:05:00
○ 2026-03-27 07:33:56
○ 2026-04-14 16:50:16

●A2a01:4f8:221:1a84::2112026-03-27 → 2026-04-14 · 3 obs

○ 2017-06-27 03:05:00
● 2026-03-27 07:33:56
● 2026-04-14 16:50:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	z.nic.de, f.nic.de, a.nic.de	-
io-network.de	ns1.domaindiscount24.net, ns2.domaindiscount24.net, ns3.domaindiscount24.net	-

✅ Authoritative Response

Server:194.0.182.34

NS records: ns1.domaindiscount24.net, ns2.domaindiscount24.net, ns3.domaindiscount24.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 884ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`188.40.21.211`
AAAA	1	`2a01:4f8:221:1a84::211`

Analysis

Mail Server Role

smtp.io-network.de serves as a mail server for ikw-ev.org, mc-gruene-teufel.de, grelak.de and bsp-reformer.de.

IP Addresses

smtp.io-network.de points to two IPs: 2a01:4f8:221:1a84::211 and 188.40.21.211.

Other host names including mx.grelak.de, ives.de, ikw-ev.org, allmax-bau.de and io-network.de share IP numbers with smtp.io-network.de.

smtp.io-network.de - robtex.com