IPLIST.NET - 21.165.in-addr.arpa

Search for IP or hostnames:

21.165.in-addr.arpa checked at 2025-10-07T21:14:59.656Z 536ms 53/53/53 100% R:13

`21.165.in-addr.arpa`

NS	`dnssec1.singnet.com.sg`
		A	2001:c20:18:a::36 ^{🇸🇬 SingNet}
		A	165.21.83.11^{🇸🇬 SingNet}
			PTR	`dnssec1.singnet.com.sg`
NS	`dnssec2.singnet.com.sg`
		A	165.21.100.11^{🇸🇬 SingNet}
			PTR	`dnssec3.singnet.com.sg`
NS	`dnssec3.singnet.com.sg`
		A	2001:c20:10:a::37 ^{🇸🇬 SingNet}
		A	165.21.100.11^{🇸🇬 SingNet}
			PTR	`dnssec3.singnet.com.sg`

`165.in-addr.arpa`

	NS	`r.arin.net`
	NS	`u.arin.net`
	NS	`x.arin.net`
	NS	`y.arin.net`
	NS	`z.arin.net`
	NS	`arin.authdns.ripe.net`

Up

73.21.165.in-addr.arpa

66.21.165.in-addr.arpa

1.21.165.in-addr.arpa

104.21.165.in-addr.arpa

165.21.165.in-addr.arpa

25.21.165.in-addr.arpa

47.21.165.in-addr.arpa

8.21.165.in-addr.arpa

132.21.165.in-addr.arpa

38.21.165.in-addr.arpa

77.21.165.in-addr.arpa

100.21.165.in-addr.arpa

49.21.165.in-addr.arpa

42.21.165.in-addr.arpa

111.21.165.in-addr.arpa

83.21.165.in-addr.arpa

39.21.165.in-addr.arpa

86.21.165.in-addr.arpa

154.21.165.in-addr.arpa

98.21.165.in-addr.arpa

101.21.165.in-addr.arpa

93.21.165.in-addr.arpa

74.21.165.in-addr.arpa

9.21.165.in-addr.arpa

153.21.165.in-addr.arpa

245.21.165.in-addr.arpa

21.21.165.in-addr.arpa

82.21.165.in-addr.arpa

222.21.165.in-addr.arpa

12.21.165.in-addr.arpa

106.21.165.in-addr.arpa

64.21.165.in-addr.arpa

Starts with same word

21.net

21.la

21.ag

21.diamonds

21.cn

21.de

21.training

21.ca

21.org

21.co.uk

21.vc

21.am

21.rs

21.com

21.bet

21.center

21.kz

21.web.app

21.su

21.network

21.si

21.gen.tr

21.ph

21.is

21.be

21.com.ua

21.pe

21.edu.ar

21.gg

21.capital

21.dk

21.email

21.sk

21.immo

21.cz

21.style

21.nl

21.agency

21.co

21.biz

21.lv

21.ru

21.co.za

21.finance

21.ax

21.nu

21.business

21.casino

21.pl

21.ee

21.tv

21.partners

21.to

21.ie

21.photos

21.cc

21.fr

21.by

21.com.es

21.life

21.run

21.pw

21.org.cn

Starts similarily

21.ph

12.lv

21.is

21.be

21.com.ua

12.cl

12.ph

12.ma

12.rs

21.pe

21.edu.ar

21.gg

21.capital

12.de

12.in-addr.arpa

21.dk

12.ag

21.email

12.kz

12.ie

12.com.ua

21.sk

12.cz

21.immo

12.eu

21.cz

12.uk

12.life

21.style

12.city

12.dk

21.nl

21.agency

12.org.ru

12.nu

21.co

21.biz

21.lv

21.ru

21.co.za

12.ai

21.finance

12.hk

21.ax

12.amsterdam

12.fr

21.nu

21.business

12.vc

21.casino

21.pl

21.ee

12.am

12.agency

12.digital

12.ac.cn

12.lt

21.tv

12.si

21.partners

21.to

21.ie

21.photos

21.cc

12.be

12.fi

12.cc

12.is

21.fr

21.by

12.solutions

12.dyndns.tv

21.com.es

21.life

12.cm

21.run

21.pw

12.world

21.org.cn

12.by

21.net

12.org.ua

12.works

12.uz

21.la

21.ag

21.diamonds

21.cn

21.de

21.training

12.com

21.ca

12.ca

21.org

12.sh.cn

12.ru

21.co.uk

12.limo

21.vc

21.am

12.biz

21.rs

12.to

21.com

12.net

12.la

21.bet

12.at

21.center

21.kz

12.ws

12.s3.amazonaws.com

21.web.app

21.su

21.network

21.si

21.gen.tr

AI analysis

21.165.in-addr.arpa is a parent of 73.21.165.in-addr.arpa, 66.21.165.in-addr.arpa, 1.21.165.in-addr.arpa, 104.21.165.in-addr.arpa and 165.21.165.in-addr.arpa, plus a few other host names.

The domain 21.165.in-addr.arpa is delegated to three name servers: dnssec1.singnet.com.sg, dnssec2.singnet.com.sg and dnssec3.singnet.com.sg.

21.165.in-addr.arpa shares name servers with other domains at least partially, for instance 173.42.115.in-addr.arpa, 80.185.58.in-addr.arpa, hagiwara.com.sg, esqgroup.com.sg and 193.73.119.in-addr.arpa.

these name servers are often used together with the name servers secdns2.starhub.net.sg.

Hostnames with two IPs:

dnssec1.singnet.com.sg points to 2001:c20:18:a::36 and 165.21.83.11.

dnssec3.singnet.com.sg points to 2001:c20:10:a::37 and 165.21.100.11.

Hostnames with one IP:

dnssec2.singnet.com.sg points to 165.21.100.11.

Hostnames that point to 165.21.100.11: dnssec3.singnet.com.sg and dnssec2.singnet.com.sg.

dbq