`12systems.com`

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}
NS	`ns1.domaindiscount24.net` ⭐
		A	2a04:2b00:14cc::34^{🇬🇧 AS19212a04:2b00:14cc::/48}
			PTR	`ns1.monikerdns.net`
			PTR	`ns34.i.centralnic-dns.com`
		A	193.227.117.34^{🇩🇪 AS1921193.227.117.0/24}
			PTR	`ns1.domaindiscount24.net`
NS	`ns2.domaindiscount24.net`
		A	2a04:2b00:14dd::34^{🇬🇧 AS2070212a04:2b00:14dd::/48}
			PTR	`ns2.monikerdns.net`
			PTR	`ns34.j.centralnic-dns.com`
		A	194.50.187.34^{🇩🇪 AS207021194.50.187.0/24}
			PTR	`ns2.domaindiscount24.net`
NS	`ns3.domaindiscount24.net`
		A	2a04:2b00:14ee::34^{🇬🇧 AS2070212a04:2b00:14ee::/48}
			PTR	`ns3.monikerdns.net`
			PTR	`ns34.k.centralnic-dns.com`
		A	194.0.182.34^{🇩🇪 AS207021194.0.182.0/24}
			PTR	`ns3.domaindiscount24.net`
MX	`mx01.hornetsecurity.com` ⭐
		A	94.100.132.8^{🇩🇪 AS2539494.100.132.0/23}
			PTR	`mx01.hornetsecurity.com`
MX	`mx02.hornetsecurity.com`⁽²⁰⁾
		A	94.100.136.8^{🇩🇪 AS2467994.100.136.0/23}
			PTR	`mx02.hornetsecurity.com`
MX	`mx03.hornetsecurity.com`⁽³⁰⁾
		A	94.100.134.8^{🇩🇪 AS1267694.100.134.0/24}
			PTR	`mx03.hornetsecurity.com`
MX	`mx04.hornetsecurity.com`⁽⁴⁰⁾
		A	94.100.136.7^{🇩🇪 AS2467994.100.136.0/23}
			PTR	`mx04.hornetsecurity.com`
TXT	`v=spf1 include:spf.12systems.de include:spf.hornetsecurity.com -all`
SOA	`ns1.domaindiscount24.net`tech@key-systems.net 2024-12-13 #1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

Same first word

12systems.it

12systems.mobi

12systems.us

12systems.biz

12systems.de

12systems.at

12systems.info

12systems.com

12systems.es

Similar names

systems21.ru

21systems.com

DNS History

17 records (11 active, 6 former)

●NSns1.domaindiscount24.net2015-06-05 → 2026-03-12 · 2 obs

● 2015-06-05 04:07:58
● 2026-03-12 06:08:08

●NSns2.domaindiscount24.net2015-06-05 → 2026-03-12 · 2 obs

● 2015-06-05 04:07:58
● 2026-03-12 06:08:08

●NSns3.domaindiscount24.net2015-06-05 → 2026-03-12 · 2 obs

● 2015-06-05 04:07:58
● 2026-03-12 06:08:08

○MXcloudmx01.12systems.de2020-02-27 → 2020-02-27 · 3 obs

● 2020-02-27 08:22:56
○ 2026-03-11 01:02:54
○ 2026-03-12 06:08:08

●MXmx01.hornetsecurity.com2026-03-11 → 2026-03-12 · 3 obs

○ 2020-02-27 08:22:56
● 2026-03-11 01:02:54
● 2026-03-12 06:08:08

●MXmx02.hornetsecurity.com2026-03-11 → 2026-03-12 · 3 obs

○ 2020-02-27 08:22:56
● 2026-03-11 01:02:54
● 2026-03-12 06:08:08

●MXmx03.hornetsecurity.com2026-03-11 → 2026-03-12 · 3 obs

○ 2020-02-27 08:22:56
● 2026-03-11 01:02:54
● 2026-03-12 06:08:08

●MXmx04.hornetsecurity.com2026-03-11 → 2026-03-12 · 3 obs

○ 2020-02-27 08:22:56
● 2026-03-11 01:02:54
● 2026-03-12 06:08:08

○A109.234.109.202015-06-05 → 2016-01-03 · 4 obs

● 2015-06-05 04:07:58
● 2016-01-03 16:16:54
○ 2016-04-09 08:24:08
○ 2026-03-12 06:08:08

○A109.234.109.212015-06-05 → 2016-01-03 · 4 obs

● 2015-06-05 04:07:58
● 2016-01-03 16:16:54
○ 2016-04-09 08:24:08
○ 2026-03-12 06:08:08

○A137.74.127.2332020-02-27 → 2020-02-27 · 4 obs

○ 2017-02-03 20:01:48
● 2020-02-27 08:22:56
○ 2026-03-11 01:02:54
○ 2026-03-12 06:08:08

○A213.128.138.2362015-06-05 → 2016-01-03 · 4 obs

● 2015-06-05 04:07:58
● 2016-01-03 16:16:54
○ 2016-04-09 08:24:08
○ 2026-03-12 06:08:08

●A2a00:18e0:5:2:7577:4e4d:413b:f5072026-03-11 → 2026-03-12 · 3 obs

○ 2020-02-27 08:22:56
● 2026-03-11 01:02:54
● 2026-03-12 06:08:08

●A2a00:18e0:5:3:dfe2:c743:85aa:61bc2026-03-11 → 2026-03-12 · 3 obs

○ 2020-02-27 08:22:56
● 2026-03-11 01:02:54
● 2026-03-12 06:08:08

●A5.22.145.1212026-03-11 → 2026-03-12 · 3 obs

○ 2020-02-27 08:22:56
● 2026-03-11 01:02:54
● 2026-03-12 06:08:08

●A5.22.145.162026-03-11 → 2026-03-12 · 3 obs

○ 2020-02-27 08:22:56
● 2026-03-11 01:02:54
● 2026-03-12 06:08:08

○A51.254.41.572016-04-09 → 2017-02-03 · 5 obs

○ 2016-01-03 16:16:54
● 2016-04-09 08:24:08
● 2017-02-03 20:01:48
○ 2020-02-27 08:22:56
○ 2026-03-12 06:08:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
12systems.com	ns1.domaindiscount24.net, ns2.domaindiscount24.net, ns3.domaindiscount24.net	-

✅ Authoritative Response

Server: 194.50.187.34

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 12systems.com (unsigned zone)

⏱️ Timing

Total: 750ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`5.22.145.16, 5.22.145.121`
AAAA	2	`2a00:18e0:5:2:7577:4e4d:413b:f507, 2a00:18e0:5:3:dfe2:c743:85aa:61bc`
NS	3	`ns3.domaindiscount24.net, ns2.domaindiscount24.net...`
MX	4	`mx02.hornetsecurity.com (pri: 20), mx01.hornetsecurity.com (pri: 10)...`
TXT	1	`v=spf1 include:spf.12systems.de include:`
SOA	1	`ns1.domaindiscount24.net tech.key-system`

Analysis

IP Addresses

12systems.com resolves to four IPs: 2a00:18e0:5:2:7577:4e4d:413b:f507, 2a00:18e0:5:3:dfe2:c743:85aa:61bc, 5.22.145.16 and 5.22.145.121.

Other host names, for instance chaturbhate.com, softwareag.eu, omstages.fr, mucsound.com and cheapabr.com share IP numbers with 12systems.com.

Name Servers

12systems.com delegates to three name servers: ns1.domaindiscount24.net, ns2.domaindiscount24.net and ns3.domaindiscount24.net.

12systems.com shares some name servers with other domains, for example chronware-gmbh.de, tui.me, itk-media.org, klassenfahrten.at and dhnnet.de.

These name servers are commonly used together with ns01.brandshelter.com and ns02.brandshelter.net.

Host names with two IP numbers:

ns1.domaindiscount24.net: 2a04:2b00:14cc::34 and 193.227.117.34

ns2.domaindiscount24.net: 2a04:2b00:14dd::34 and 194.50.187.34

ns3.domaindiscount24.net: 2a04:2b00:14ee::34 and 194.0.182.34

Mail Servers

12systems.com is handled by four mail servers: mx01.hornetsecurity.com, mx02.hornetsecurity.com, mx03.hornetsecurity.com and mx04.hornetsecurity.com.

12systems.com shares some mail servers with other domains, at least partially; for instance reese-it.de, kultursommer.wien, detzel.de, wvg-online.de and adicon.de.

these mail servers are commonly used alongside the mail servers mxlb.ispgateway.de.

Host names with a single IP

mx01.hornetsecurity.com resolves to 94.100.132.8

mx02.hornetsecurity.com resolves to 94.100.136.8

mx03.hornetsecurity.com resolves to 94.100.134.8

mx04.hornetsecurity.com resolves to 94.100.136.7

12systems.com - robtex.com

12systems.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`12systems.com`

`com`