mail.flexus.net - robtex.com

mail.flexus.net

DNSSEC⚠️ Not signed
A88.217.159.244🇩🇪 MNET-AS88.217.0.0/16 DE-MNET-20051123 Germany
PTRmail.flexus.net
MXmx00.ionos.de ⭐
A212.227.15.41🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2
PTRmx00.kundenserver.de
MXmx01.ionos.de ⭐
A217.72.192.67🇩🇪 IONOS-AS217.72.192.0/20 Web.de
PTRmx01.kundenserver.de

flexus.net

DNSSEC🔒 Signed (DS record present)
A2001:8d8:100f:f000::200🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910
A217.160.0.71🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3
NSns1121.ui-dns.com ⭐
NSns1121.ui-dns.biz
NSns1121.ui-dns.de
NSns1121.ui-dns.org
MXflexus-net.mail.protection.outlook.com ⭐
TXTv=verifydomain MS=5509355
TXTinclude:26266407.spf06.hubspotemail.net
TXTv=spf1 ip4:217.92.72.201 include:spf.protection.outlook.com -all
TXTzw8ff128x5klpbc3y6k3pb60z1x9pnd2
TXT4st50shm6cgdg6dn5bgz3yk68w1yfw53
TXTatlassian-domain-verification=k/94q2MvvOTdP0GGg0/GYvdHvipPLIma1LHuBiSmxiGz7Ln...
TXTapple-domain-verification=j6xUgKiraZ8CTKli
SOAns1121.ui-dns.comhostmaster@schlund.de 2017-05-06 #72

PTR for

244.159.217.88.in-addr.arpa

Previously MX for

flexus.net

Same first word

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DNS History

7 records (3 active, 4 former)

20162017201820192020202120222023202420252026MXmx00.ionos.demx01.ionos.demail.flexus.netmx00.kundenserver.demx01.kundenserver.deA88.217.159.244212.63.90.39
○MXmail.flexus.net2015-08-08 → 2016-12-29 · 3 obs
● 2015-08-08 21:09:52
● 2016-12-29 03:50:28
○ 2026-03-27 16:32:38
●MXmx00.ionos.de2026-03-27 → 2026-03-27 · 2 obs
○ 2016-12-29 03:50:28
● 2026-03-27 16:32:38
○MXmx00.kundenserver.de2015-08-08 → 2016-12-29 · 3 obs
● 2015-08-08 21:09:52
● 2016-12-29 03:50:28
○ 2026-03-27 16:32:38
●MXmx01.ionos.de2026-03-27 → 2026-03-27 · 2 obs
○ 2016-12-29 03:50:28
● 2026-03-27 16:32:38
○MXmx01.kundenserver.de2015-08-08 → 2016-12-29 · 3 obs
● 2015-08-08 21:09:52
● 2016-12-29 03:50:28
○ 2026-03-27 16:32:38
○A212.63.90.392015-08-08 → 2016-12-29 · 3 obs
● 2015-08-08 21:09:52
● 2016-12-29 03:50:28
○ 2026-03-27 16:32:38
●A88.217.159.2442026-03-27 → 2026-03-27 · 2 obs
○ 2016-12-29 03:50:28
● 2026-03-27 16:32:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netf.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net...-
flexus.netns1121.ui-dns.de, ns1121.ui-dns.biz, ns1121.ui-dns.org, ns1121.ui-dns.com-

✅ Authoritative Response

Server:217.160.80.121

NS records: ns1121.ui-dns.de, ns1121.ui-dns.biz, ns1121.ui-dns.org, ns1121.ui-dns.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 639ms | Queries: -

📄 Records

TypeCountSample Data
A188.217.159.244
MX2mx01.ionos.de (pri: 10), mx00.ionos.de (pri: 10)

Analysis

IP Addresses

mail.flexus.net resolves to one IP number: 88.217.159.244.

Other host names, for instance mail.huber-online.de, share IP numbers with mail.flexus.net.

Mail Servers

Two mail servers handle mail.flexus.net: mx00.ionos.de and mx01.ionos.de.

mail.flexus.net shares the same mail server setup as other domains, for instance gostware.com, goodhome4you.com, barko.de, myre.de and naturgeburtstag.de.

Host names with one IP number:

mx00.ionos.de points to 212.227.15.41

mx01.ionos.de points to 217.72.192.67