DNSWHOIS.INFO - 104.51.in-addr.arpa

Search for IP or hostnames:

104.51.in-addr.arpa checked at 2025-09-07T05:09:58.562Z 140ms 64/64/64 100% R:13

`104.51.in-addr.arpa`

NS	`ns1-205.azure-dns.com`
		A	2603:1061:0:700::cd ^{🇺🇸 Microsoft}
			PTR	`ns1-205.azure-dns.com`
		A	13.107.236.205^{🇺🇸 Microsoft}
			PTR	`ns1-205.azure-dns.com`
NS	`ns4-205.azure-dns.info`
		A	2620:1ec:bda:700::cd ^{🇺🇸 Microsoft}
			PTR	`ns4-205.azure-dns.info`
		A	208.84.5.205^{🇺🇸 Microsoft}
			PTR	`ns4-205.azure-dns.info`
NS	`ns2-205.azure-dns.net`
		A	2620:1ec:8ec:700::cd ^{🇺🇸 Microsoft}
			PTR	`ns2-205.azure-dns.net`
		A	150.171.21.205^{🇺🇸 Microsoft}
			PTR	`ns2-205.azure-dns.net`
NS	`ns3-205.azure-dns.org`
		A	2a01:111:4000:700::cd ^{🇬🇧 Microsoft}
			PTR	`ns3-205.azure-dns.org`
		A	204.14.183.205^{🇺🇸 Microsoft}
			PTR	`ns3-205.azure-dns.org`

`51.in-addr.arpa`

	NS	`ns3.afrinic.net`
	NS	`ns4.apnic.net`
	NS	`rirns.arin.net`
	NS	`ns3.lacnic.net`
	NS	`pri.authdns.ripe.net`

Up
`138.104.51.in-addr.arpa`
`40.104.51.in-addr.arpa`
`169.104.51.in-addr.arpa`
`47.104.51.in-addr.arpa`
`233.104.51.in-addr.arpa`
`229.104.51.in-addr.arpa`
`50.104.51.in-addr.arpa`

Starts with same word
`104.de`
`104.fr`
`104.com`
`104.jp`
`104.ua`
`104.la`
`104.cn`
`104.co.jp`
`104.by`
`104.ru`
`104.ink`
`104.in.ua`
`104.tv`
`104.info`
`104.media`
`104.eu`
`104.cz`
`104.gr`
`104.be`
`104.biz`
`104.us`
`104.com.ua`
`104.at`
`104.pl`
`104.net`
`104.com.tw`
`104.au`
`104.it`
`104.nl`
`104.ca`
`104.ch`
`104.hu`
`104.in-addr.arpa`
`104.cl`
`104.studio`

Starts similarily
`014.ca`
`041.de`
`140.one`
`104.info`
`140.ro`
`014.it`
`014.me`
`104.media`
`104.eu`
`041.ltd`
`140.ninja`
`140.ru`
`410.amsterdam`
`014.la`
`140.it`
`104.cz`
`041.ink`
`104.gr`
`041.gr`
`140.in-addr.arpa`
`140.com`
`104.be`
`410.tv`
`041.tel`
`140.pl`
`140.rip`
`140.ca`
`041.blogspot.com`
`014.co.il`
`104.biz`
`401.us`
`140.ph`
`140.ch`
`014.ch`
`140.design`
`014.info`
`104.us`
`401.ru`
`140.info`
`140.eu`
`041.org`
`041.blogspot.tw`
`140.me`
`401.pe`
`401.dk`
`140.nl`
`410.com`
`014.co.uk`
`140.be`
`041.pl`
`014.tel`
`410.gallery`
`041.ca`
`140.buzz`
`041.in`
`104.com.ua`
`140.de`
`104.at`
`401.me`
`041.mobi`
`041.nl`
`104.pl`
`014.es`
`401.ph`
`140.to`
`104.net`
`410.bet`
`140.net`
`014.eu`
`401.rentals`
`104.com.tw`
`410.ac`
`401.net`
`041.la`
`041.li`
`104.au`
`014.net.il`
`104.it`
`014.co.za`
`401.fr`
`041.info`
`104.nl`
`140.fr`
`410.one`
`104.ca`
`041.me`
`410.by`
`140.im`
`104.ch`
`401.lv`
`410.nl`
`014.fr`
`104.hu`
`401.at`
`041.ru`
`104.in-addr.arpa`
`104.cl`
`104.studio`
`014.tw`
`014.com`
`041.tv`
`104.de`
`410.com.au`
`401.media`
`401.eu`
`104.fr`
`410.ch`
`401.ca`
`014.org`
`140.no`
`140.org`
`104.com`
`410.cn`
`401.com`
`401.de`
`401.com.cn`
`410.it`
`401.biz`
`041.fr`
`410.co`
`401.cz`

AI analysis

The parent of host names 138.104.51.in-addr.arpa, 40.104.51.in-addr.arpa, 169.104.51.in-addr.arpa, 47.104.51.in-addr.arpa, 233.104.51.in-addr.arpa, and a few others is 104.51.in-addr.arpa.

Four name servers, ns1-205.azure-dns.com, ns4-205.azure-dns.info, ns2-205.azure-dns.net, and ns3-205.azure-dns.org, are assigned to 104.51.in-addr.arpa.

The domain 104.51.in-addr.arpa shares name servers, at least partially, with other domains such as 40.20.in-addr.arpa, 43.20.in-addr.arpa, 151.52.in-addr.arpa, 7.238.191.in-addr.arpa, and 137.51.in-addr.arpa.

ns1-205.azure-dns.com, ns4-205.azure-dns.info, ns2-205.azure-dns.net, and ns3-205.azure-dns.org all point to two IP numbers each: 2603:1061:0:700::cd and 13.107.236.205, 2620:1ec:bda:700::cd and 208.84.5.205, 2620:1ec:8ec:700::cd and 150.171.21.205, 2a01:111:4000:700::cd and 204.14.183.205 respectively.

dbq