CF1761617742380-tsm20251027103946

MXLIST.NET - tec-sys.de

Search for IP or hostnames:

tec-sys.de checked at 2025-10-28T02:15:42.372Z 503ms 128/128/128 100% R:14

tec-sys.de

NSroot-dns.netcup.net
A2a03:4000:0:1::e1e1 ๐Ÿ‡ฉ๐Ÿ‡ช netcup-AS
PTRroot-dns.netcup.net
A46.38.225.225๐Ÿ‡ฉ๐Ÿ‡ช netcup-AS
PTRroot-dns.netcup.net
NSsecond-dns.netcup.net
A2a03:4000:2:24b::c7c7 ๐Ÿ‡ฉ๐Ÿ‡ช netcup-AS
PTRsecond-dns.netcup.net
A37.221.199.199๐Ÿ‡ฉ๐Ÿ‡ช netcup-AS
PTRsecond-dns.netcup.net
NSthird-dns.netcup.net
A2a03:4001:0:106::3f44 ๐Ÿ‡ฉ๐Ÿ‡ช netcup-AS
PTRthird-dns.netcup.net
A188.68.63.68๐Ÿ‡ฉ๐Ÿ‡ช netcup-AS
PTRthird-dns.netcup.net
MXaspmx.l.google.com
A2607:f8b0:4004:c06::1b ๐Ÿ‡บ๐Ÿ‡ธ Google
PTRbg-in-f27.1e100.net
A142.251.111.26๐Ÿ‡บ๐Ÿ‡ธ Google
PTRbk-in-f26.1e100.net
MXalt1.aspmx.l.google.com
A2a00:1450:400b:c02::1a ๐Ÿ‡ฎ๐Ÿ‡ช Google
PTRdj-in-f26.1e100.net
A172.253.116.27๐Ÿ‡บ๐Ÿ‡ธ Google
PTRdj-in-f27.1e100.net
MXalt2.aspmx.l.google.com
A2a00:1450:400c:c00::1b ๐Ÿ‡ง๐Ÿ‡ช Google
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.26๐Ÿ‡บ๐Ÿ‡ธ Google
PTRws-in-f26.1e100.net
MXalt3.aspmx.l.google.com
A2a00:1450:4025:402::1b ๐Ÿ‡ณ๐Ÿ‡ฑ Google
PTRrb-in-f27.1e100.net
A142.250.102.27๐Ÿ‡บ๐Ÿ‡ธ Google
PTRrb-in-f27.1e100.net
MXalt4.aspmx.l.google.com
A2a00:1450:4013:c1e::1b ๐Ÿ‡ณ๐Ÿ‡ฑ Google
PTRyugrqzs-in-f27.1e100.net
A192.178.213.26๐Ÿ‡บ๐Ÿ‡ธ Google
PTRyugrqzs-in-f26.1e100.net
A5.181.51.163๐Ÿ‡ฉ๐Ÿ‡ช netcup-AS
PTRv220251011580386937.powersrv.de

de

NSa.nic.de
NSf.nic.de
NSz.nic.de
NSl.de.net
NSn.de.net
NSs.de.net

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AI analysis

tec-sys.de is a parent of mail.tec-sys.de.

tec-sys.de points to a single IP number: 5.181.51.163.

Other host names such as mail.tec-sys.de and v220251011580386937.powersrv.de share IP numbers with tec-sys.de.

The delegation for tec-sys.de is handled by three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.

tec-sys.de at least partially shares name servers with other domains, for instance bayuvaria.de, marseil.de, mcyp.de, 240.38.46.in-addr.arpa and fehse.de.

Two IP numbers per host:

root-dns.netcup.net points to 2a03:4000:0:1::e1e1 and 46.38.225.225.

second-dns.netcup.net points to 2a03:4000:2:24b::c7c7 and 37.221.199.199.

third-dns.netcup.net points to 2a03:4001:0:106::3f44 and 188.68.63.68.

tec-sys.de is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

tec-sys.de shares mail servers with other domains at least in part, for instance randstad.pt, appaz.com, cashyourmiles.com, brezineves.cz and natronix.net.

these mail servers are often used with aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c06::1b and 142.251.111.26.

alt1.aspmx.l.google.com points to 2a00:1450:400b:c02::1a and 172.253.116.27.

alt2.aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 173.194.76.26.

alt3.aspmx.l.google.com points to 2a00:1450:4025:402::1b and 142.250.102.27.

alt4.aspmx.l.google.com points to 2a00:1450:4013:c1e::1b and 192.178.213.26.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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