DNSWHOIS.INFO - 16.21.208.in-addr.arpa

Search for IP or hostnames:

16.21.208.in-addr.arpa checked at 2025-10-30T20:13:25.897Z 138ms 47/47/47 100% R:10

`16.21.208.in-addr.arpa`

NS	`auth1.dns.cogentco.com`
		A	2001:550:1:a::d ^{🇺🇸 COGENT}
			PTR	`auth1.dns.cogentco.com`
		A	66.28.0.14^{🇺🇸 COGENT}
			PTR	`auth1.dns.cogentco.com`
NS	`auth2.dns.cogentco.com`
		A	2001:550:1:b::d ^{🇺🇸 COGENT}
			PTR	`auth2.dns.cogentco.com`
		A	66.28.0.30^{🇺🇸 COGENT}
			PTR	`auth2.dns.cogentco.com`

`21.208.in-addr.arpa`

	NS	`auth1.dns.cogentco.com`
	NS	`auth2.dns.cogentco.com`

Starts with same word

16.dk

16.am

16.ee

16.la

16.rs

16.gs

16.country

16.no

16.in-addr.arpa

16.cc

16.nl

16.net

16.by

16.cm

16.spb.ru

16.lc

16.hk

16.su

16.to

16.vc

16.lt

16.se

16.amsterdam

16.de

16.lv

16.fr

16.is

16.ph

16.co

16.vg

16.githubusercontent.com

16.gay

16.ru

16.com

16.cool

Starts similarily

16.net

16.by

61.tel

61.co.uk

16.cm

61.city

61.cl

16.spb.ru

61.com

16.lc

61.cc

61.nl

61.be

16.hk

16.su

61.co

61.ru

16.to

16.vc

16.lt

16.se

16.amsterdam

16.de

16.lv

61.net

61.life

61.world

16.fr

16.is

61.cz

16.ph

16.co

61.dk

16.vg

16.githubusercontent.com

61.de

16.gay

61.com.tw

61.eu

16.ru

16.com

61.se

61.in-addr.arpa

61.chat

16.cool

61.cn

61.ro

61.amsterdam

61.wixsite.com

61.hk

16.dk

16.am

61.no

61.plus

61.wtf

16.ee

16.la

16.rs

16.gs

61.org

61.la

61.fr

61.re

16.country

61.su

16.no

61.lv

16.in-addr.arpa

16.cc

61.pl

16.nl

AI analysis

16.21.208.in-addr.arpa's delegation is to two name servers auth1.dns.cogentco.com and auth2.dns.cogentco.com.

16.21.208.in-addr.arpa shares the same name server configuration as other domains, such as clsgroup.biz, 14.178.38.in-addr.arpa, 107.206.in-addr.arpa, 163.27.38.in-addr.arpa and bgf.com.

16.21.208.in-addr.arpa at least partially shares its name servers with other domains, for instance upscapital.com, radiomultikulti.de, rbb-24.de, upsonline.co.kr and 72.108.192.in-addr.arpa.

these name servers are commonly used with the name servers cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, nsa.ups.com, nsb.ups.com, ns1.vodafone-ip.de and ns2.vodafone-ip.de.

Host names with two IP numbers: auth1.dns.cogentco.com points to 2001:550:1:a::d and 66.28.0.14; auth2.dns.cogentco.com points to 2001:550:1:b::d and 66.28.0.30

dbq