mxbackup.keysystem.de - dns.ninja

`mxbackup.keysystem.de`

DNSSEC	⚠️ Not signed
A	2a00:18e0:5:2:7577:4e4d:413b:f507^{🇩🇪 Amazon2a00:18e0:5::/48 EC2 Prefix}
		PTR	`relay.mail-forwarder.io`
A	2a00:18e0:5:3:dfe2:c743:85aa:61bc^{🇩🇪 Amazon2a00:18e0:5::/48 EC2 Prefix}
A	5.22.145.16^{🇩🇪 Amazon5.22.145.0/24}
A	5.22.145.121^{🇩🇪 Amazon5.22.145.0/24}

`keysystem.de`

	DNSSEC	⚠️ Not signed
	A	88.198.70.148^{🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4}
	NS	`ns1.domaindiscount24.net` ⭐
	NS	`ns2.domaindiscount24.net`
	NS	`ns3.domaindiscount24.net`
	MX	`mx01.keysystem.de` ⭐
	TXT	`v=spf1 a mx -all`
	SOA	`ns1.domaindiscount24.net`tech@key-systems.net 2026-02-12 #0

Previously MX for

o-m-a.org

yetiman.de

Same first word

mxbackup.nl

mxbackup.ddns.net

mxbackup.ro

mxbackup.com.br

mxbackup.be

Similar names

backupmx.nl

backupmx.us

backupmx.com

xmbackup.net

backupmx.org

backupmx.it

xmbackup.com

DNS History

5 records (4 active, 1 former)

○A138.201.227.732019-02-14 → 2019-02-14 · 3 obs

● 2019-02-14 15:31:02
○ 2026-07-09 21:12:04
○ 2026-08-08 07:04:26

●A2a00:18e0:5:2:7577:4e4d:413b:f5072026-07-09 → 2026-08-08 · 3 obs

○ 2019-02-14 15:31:02
● 2026-07-09 21:12:04
● 2026-08-08 07:04:26

●A2a00:18e0:5:3:dfe2:c743:85aa:61bc2026-07-09 → 2026-08-08 · 3 obs

○ 2019-02-14 15:31:02
● 2026-07-09 21:12:04
● 2026-08-08 07:04:26

●A5.22.145.1212026-07-09 → 2026-08-08 · 3 obs

○ 2019-02-14 15:31:02
● 2026-07-09 21:12:04
● 2026-08-08 07:04:26

●A5.22.145.162026-07-09 → 2026-08-08 · 3 obs

○ 2019-02-14 15:31:02
● 2026-07-09 21:12:04
● 2026-08-08 07:04:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
keysystem.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

⚠️ Insecure (no DNSSEC)

No DS record for keysystem.de (unsigned zone)

⏱️ Timing

Total: 708ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`5.22.145.16, 5.22.145.121`
AAAA	2	`2a00:18e0:5:3:dfe2:c743:85aa:61bc, 2a00:18e0:5:2:7577:4e4d:413b:f507`

Analysis

IP Addresses

mxbackup.keysystem.de points to the four IP addresses 5.22.145.16, 5.22.145.121, 2a00:18e0:5:2:7577:4e4d:413b:f507 and 2a00:18e0:5:3:dfe2:c743:85aa:61bc.

Two other host names, along with ns1.ktt.com, myjamana.com.whoisproxy.org and softwareag.support, also share IP numbers with mxbackup.keysystem.de.