DNSWHOIS.INFO - 9.21.163.in-addr.arpa

Search for IP or hostnames:

9.21.163.in-addr.arpa checked at 2025-11-29T13:25:39.303Z 2105ms 127/127/127 100% R:21 allDone:true timedOut:false

9.21.163.in-addr.arpa

MXaspmx2.googlemail.com
A2a00:1450:400b:c02::1a 🇮🇪 Google
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google
PTRdj-in-f26.1e100.net
MXaspmx3.googlemail.com
A2a00:1450:400c:c00::1a 🇧🇪 Google
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.26🇺🇸 Google
PTRws-in-f26.1e100.net
MXaspmx4.googlemail.com
A2a00:1450:4025:402::1b 🇳🇱 Google
PTRrb-in-f27.1e100.net
A142.250.102.27🇺🇸 Google
PTRrb-in-f27.1e100.net
MXaspmx5.googlemail.com
A2a00:1450:4013:c1e::1a 🇳🇱 Google
PTRyugrqzs-in-f26.1e100.net
A192.178.213.26🇺🇸 Google
PTRyugrqzs-in-f26.1e100.net
MXaspmx.l.google.com
A2607:f8b0:4004:c08::1a 🇺🇸 Google
PTRbi-in-f26.1e100.net
A172.253.62.26🇺🇸 Google
PTRbc-in-f26.1e100.net
MXalt1.aspmx.l.google.com
A2a00:1450:400b:c02::1a 🇮🇪 Google
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google
PTRdj-in-f27.1e100.net
MXalt2.aspmx.l.google.com
A2a00:1450:400c:c00::1a 🇧🇪 Google
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.26🇺🇸 Google
PTRws-in-f26.1e100.net
NSdns1.ccjhs.tp.edu.tw
A2001:288:123a:2::200 🇹🇼 ERX-TANET-ASN1
A163.21.9.200🇹🇼 ERX-TANET-ASN1
PTRdns1.ccjhs.tp.edu.tw
NSdns2.ccjhs.tp.edu.tw
A2001:288:123a:2::209 🇹🇼 ERX-TANET-ASN1
A163.21.9.209🇹🇼 ERX-TANET-ASN1
PTRdns2.ccjhs.tp.edu.tw

21.163.in-addr.arpa

NSdns3.tp.edu.tw
NSns1.tp.edu.tw
NSns2.tp.edu.tw

Up

166.9.21.163.in-addr.arpa
209.9.21.163.in-addr.arpa
20.9.21.163.in-addr.arpa
203.9.21.163.in-addr.arpa
200.9.21.163.in-addr.arpa

Starts with same word

9.tl
9.gold
9.mba
9.de
9.cm
9.gz.cn
9.srl
9.vu
9.digital
9.amsterdam
9.ht
9.kg
9.cl
9.cq.cn
9.io
9.run
9.ro
9.zip
9.capital
9.cn
9.technology
9.cg
9.mw
9.cc
9.am
9.xyz
9.sh
9.fish
9.je
9.fr
9.uk
9.to
9.uy
9.bj.cn
9.gs
9.vg
9.media
9.gp
9.gg
9.kz
9.in-addr.arpa
9.ai
9.dk
9.cx
9.tv
9.js.cn
9.asia
9.ar
9.com.cn
9.mk
9.wtf
9.is
9.org
9.ws
9.dev

Starts similarily

9.cq.cn
9.io
9.run
9.ro
9.zip
9.capital
9.cn
9.technology
9.cg
9.mw
9.cc
9.am
9.xyz
9.sh
9.fish
9.je
9.fr
9.uk
9.to
9.uy
9.bj.cn
9.gs
9.vg
9.media
9.gp
9.gg
9.kz
9.in-addr.arpa
9.ai
9.dk
9.cx
9.tv
9.js.cn
9.asia
9.ar
9.com.cn
9.mk
9.wtf
9.is
9.org
9.ws
9.dev
9.tl
9.gold
9.mba
9.de
9.cm
9.gz.cn
9.srl
9.vu
9.digital
9.amsterdam
9.ht
9.kg
9.cl

AI analysis

9.21.163.in-addr.arpa is parent of 166.9.21.163.in-addr.arpa, 209.9.21.163.in-addr.arpa, 20.9.21.163.in-addr.arpa, 203.9.21.163.in-addr.arpa and 200.9.21.163.in-addr.arpa.

Two name servers dns1.ccjhs.tp.edu.tw and dns2.ccjhs.tp.edu.tw handle delegation for 9.21.163.in-addr.arpa.

9.21.163.in-addr.arpa shares name servers with other domains at least in part, for instance ccjhs.tp.edu.tw.

Host names with two IP numbers:

dns1.ccjhs.tp.edu.tw points to: 2001:288:123a:2::200 and 163.21.9.200

dns2.ccjhs.tp.edu.tw points to: 2001:288:123a:2::209 and 163.21.9.209

Seven mail servers handle 9.21.163.in-addr.arpa: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

9.21.163.in-addr.arpa shares some mail servers with other domains, at least partially, such as southamericaimplants.com, legendelectric.co, dhirajsons.net, bankexpress.vn and linotp.org.

These mail servers are often used together with alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Two IP numbers per host

aspmx2.googlemail.com points to 2a00:1450:400b:c02::1a and 172.253.116.26

aspmx3.googlemail.com points to 2a00:1450:400c:c00::1a and 173.194.76.26

aspmx4.googlemail.com points to 2a00:1450:4025:402::1b and 142.250.102.27

aspmx5.googlemail.com points to 2a00:1450:4013:c1e::1a and 192.178.213.26

aspmx.l.google.com points to 2607:f8b0:4004:c08::1a and 172.253.62.26

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::1a and 173.194.76.26

Hosts pointing to 2a00:1450:400b:c02::1a: aspmx2.googlemail.com and alt1.aspmx.l.google.com

Hosts pointing to 2a00:1450:400c:c00::1a: aspmx3.googlemail.com and alt2.aspmx.l.google.com

Hosts pointing to 173.194.76.26: aspmx3.googlemail.com and alt2.aspmx.l.google.com