CF1763289928894-tsm20251116095642

NSLIST.NET - tcusd.net

Search for IP or hostnames:

tcusd.net checked at 2025-11-16T10:45:28.876Z 205ms 135/135/135 100% R:16 allDone:true timedOut:false

tcusd.net

MXus-esec-01.heimdalsecurity.com
A20.88.177.217🇺🇸 Microsoft
PTRus-esec-01.heimdalsecurity.com
A20.88.177.218🇺🇸 Microsoft
PTRus-esec-01.heimdalsecurity.com
MXus-esec-02.heimdalsecurity.com
A20.88.177.217🇺🇸 Microsoft
PTRus-esec-01.heimdalsecurity.com
A20.88.177.218🇺🇸 Microsoft
PTRus-esec-01.heimdalsecurity.com
NSdns101.register.com
A162.159.24.117 Cloudflare
NSdns102.register.com
A162.159.25.158 Cloudflare
MXaspmx.l.google.com
A2607:f8b0:4023:c03::1b 🇺🇸 Google
PTRdy-in-f27.1e100.net
A142.250.101.26🇺🇸 Google
PTRdz-in-f26.1e100.net
MXalt1.aspmx.l.google.com
A2607:f8b0:4023:100f::1a 🇺🇸 Google
PTRyudfwra-in-f26.1e100.net
A192.178.220.26🇺🇸 Google
PTRyudfwra-in-f26.1e100.net
MXalt2.aspmx.l.google.com
A2607:f8b0:4023:1015::1a 🇺🇸 Google
PTRyudfwta-in-f26.1e100.net
A172.253.135.27🇺🇸 Google
PTRyudfwta-in-f27.1e100.net
MXalt3.aspmx.l.google.com
A2a00:1450:4025:402::1a 🇳🇱 Google
PTRrb-in-f26.1e100.net
A142.250.102.26🇺🇸 Google
PTRrb-in-f26.1e100.net
MXalt4.aspmx.l.google.com
A2a00:1450:4013:c1e::1b 🇳🇱 Google
PTRyugrqzs-in-f27.1e100.net
A192.178.213.26🇺🇸 Google
PTRyugrqzs-in-f26.1e100.net
A18.233.124.95🇺🇸 Amazon
PTRec2-18-233-124-95.compute-1.amazonaws.com
A54.221.139.169🇺🇸 Amazon
PTRec2-54-221-139-169.compute-1.amazonaws.com

net

NSa.gtld-servers.net
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net

Up

Starts with same word

Starts similarily

AI analysis

The parent of www.tcusd.net is tcusd.net.

Two IP numbers are pointed to by tcusd.net: 18.233.124.95 and 54.221.139.169.

other host names include usd365.org, portalesschools.com, brownwoodisd.org, ia.us.smartsiteshost.com and framingham.k12.ma.us; they share IP numbers with tcusd.net.

Two name servers dns101.register.com and dns102.register.com handle the delegation for tcusd.net.

tcusd.net shares the same name server setup as other domains, for instance vofil.org, confare.com, barrioviejo.com, truemid.nyc and sctworkforce.com.

Host names with one IP:

dns101.register.com points to: 162.159.24.117

dns102.register.com points to: 162.159.25.158

tcusd.net is handled by seven mail servers: us-esec-01.heimdalsecurity.com, us-esec-02.heimdalsecurity.com, 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.

tcusd.net shares at least partially some mail servers with other domains, for instance urbanspa.sg, gambric.it, buchu.com.ar, paymart.info and leavingdenton.com.

Mail servers frequently appear alongside aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

us-esec-01.heimdalsecurity.com points to 20.88.177.217 and 20.88.177.218.

us-esec-02.heimdalsecurity.com points to 20.88.177.217 and 20.88.177.218.

aspmx.l.google.com points to 2607:f8b0:4023:c03::1b and 142.250.101.26.

alt1.aspmx.l.google.com points to 2607:f8b0:4023:100f::1a and 192.178.220.26.

alt2.aspmx.l.google.com points to 2607:f8b0:4023:1015::1a and 172.253.135.27.

alt3.aspmx.l.google.com points to 2a00:1450:4025:402::1a and 142.250.102.26.

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

Host names that point to 20.88.177.217: us-esec-01.heimdalsecurity.com and us-esec-02.heimdalsecurity.com.

Host names that point to 20.88.177.218: us-esec-01.heimdalsecurity.com and us-esec-02.heimdalsecurity.com.

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