DNSWHOIS.INFO - 138.203.in-addr.arpa

Search for IP or hostnames:

138.203.in-addr.arpa checked at 2025-09-06T19:35:09.779Z 234ms 80/80/80 100% R:12

`138.203.in-addr.arpa`

NS	`a.dns.jp`
		A	2001:dc4::1 ^{🇯🇵 A-DNS-JP}
			PTR	`a.dns.jp`
		A	203.119.1.1^{🇯🇵 A-DNS-JP}
			PTR	`a.dns.jp`
NS	`b.dns.jp`
		A	2001:dc2::1 ^{🇯🇵 JPNIC}
			PTR	`b.dns.jp`
		A	202.12.30.131^{🇯🇵 JPNIC}
			PTR	`ns0.nic.ad.jp`
NS	`d.dns.jp`
		A	2001:240::53 ^{🇯🇵 Internet Initiative Japan}
			PTR	`d.dns.jp`
		A	210.138.175.244^{🇯🇵 Internet Initiative Japan}
			PTR	`d.dns.jp`
NS	`e.dns.jp`
		A	2001:200:c000::35 ^{🇯🇵 E-DNS-JP}
		A	192.50.43.53^{🇯🇵 E-DNS-JP}
			PTR	`e.dns.jp`
NS	`f.dns.jp`
		A	2001:2f8:0:100::153 ^{🇯🇵 National Institute of Informatics}
			PTR	`dnssec02.sinet.ad.jp`
		A	150.100.6.8^{🇯🇵 National Institute of Informatics}
			PTR	`f.dns.jp`
NS	`g.dns.jp`
		A	203.119.40.1^{🇯🇵 G-DNS-JP}
			PTR	`g.dns.jp`

`203.in-addr.arpa`

	NS	`ns1.apnic.net`
	NS	`ns2.apnic.net`
	NS	`rirns.arin.net`
	NS	`ns3.lacnic.net`
	NS	`apnic.authdns.ripe.net`

Up
`213.138.203.in-addr.arpa`
`79.138.203.in-addr.arpa`
`112.138.203.in-addr.arpa`
`49.138.203.in-addr.arpa`
`54.138.203.in-addr.arpa`
`126.138.203.in-addr.arpa`
`251.138.203.in-addr.arpa`
`212.138.203.in-addr.arpa`
`31.138.203.in-addr.arpa`
`104.138.203.in-addr.arpa`
`50.138.203.in-addr.arpa`
`26.138.203.in-addr.arpa`
`166.138.203.in-addr.arpa`
`27.138.203.in-addr.arpa`
`63.138.203.in-addr.arpa`
`200.138.203.in-addr.arpa`
`209.138.203.in-addr.arpa`
`37.138.203.in-addr.arpa`
`127.138.203.in-addr.arpa`
`80.138.203.in-addr.arpa`
`123.138.203.in-addr.arpa`
`103.138.203.in-addr.arpa`
`30.138.203.in-addr.arpa`
`77.138.203.in-addr.arpa`
`29.138.203.in-addr.arpa`
`56.138.203.in-addr.arpa`
`185.138.203.in-addr.arpa`
`225.138.203.in-addr.arpa`
`210.138.203.in-addr.arpa`
`163.138.203.in-addr.arpa`
`167.138.203.in-addr.arpa`
`24.138.203.in-addr.arpa`
`25.138.203.in-addr.arpa`
`33.138.203.in-addr.arpa`
`102.138.203.in-addr.arpa`
`176.138.203.in-addr.arpa`
`19.138.203.in-addr.arpa`
`40.138.203.in-addr.arpa`
`108.138.203.in-addr.arpa`
`187.138.203.in-addr.arpa`
`87.138.203.in-addr.arpa`
`60.138.203.in-addr.arpa`
`99.138.203.in-addr.arpa`
`146.138.203.in-addr.arpa`
`51.138.203.in-addr.arpa`
`253.138.203.in-addr.arpa`
`85.138.203.in-addr.arpa`
`208.138.203.in-addr.arpa`
`139.138.203.in-addr.arpa`
`71.138.203.in-addr.arpa`
`223.138.203.in-addr.arpa`
`214.138.203.in-addr.arpa`
`183.138.203.in-addr.arpa`
`72.138.203.in-addr.arpa`
`238.138.203.in-addr.arpa`
`220.138.203.in-addr.arpa`
`180.138.203.in-addr.arpa`
`205.138.203.in-addr.arpa`
`137.138.203.in-addr.arpa`
`133.138.203.in-addr.arpa`
`68.138.203.in-addr.arpa`
`172.138.203.in-addr.arpa`
`199.138.203.in-addr.arpa`
`118.138.203.in-addr.arpa`
`246.138.203.in-addr.arpa`
`106.138.203.in-addr.arpa`
`5.138.203.in-addr.arpa`
`121.138.203.in-addr.arpa`
`154.138.203.in-addr.arpa`
`28.138.203.in-addr.arpa`
`53.138.203.in-addr.arpa`
`84.138.203.in-addr.arpa`
`186.138.203.in-addr.arpa`
`96.138.203.in-addr.arpa`
`135.138.203.in-addr.arpa`
`211.138.203.in-addr.arpa`
`159.138.203.in-addr.arpa`
`252.138.203.in-addr.arpa`
`98.138.203.in-addr.arpa`
`86.138.203.in-addr.arpa`
`110.138.203.in-addr.arpa`
`4.138.203.in-addr.arpa`
`101.138.203.in-addr.arpa`
`105.138.203.in-addr.arpa`
`134.138.203.in-addr.arpa`
`119.138.203.in-addr.arpa`
`78.138.203.in-addr.arpa`
`64.138.203.in-addr.arpa`
`81.138.203.in-addr.arpa`
`124.138.203.in-addr.arpa`
`250.138.203.in-addr.arpa`
`125.138.203.in-addr.arpa`
`236.138.203.in-addr.arpa`
`232.138.203.in-addr.arpa`
`6.138.203.in-addr.arpa`
`136.138.203.in-addr.arpa`
`15.138.203.in-addr.arpa`
`171.138.203.in-addr.arpa`
`222.138.203.in-addr.arpa`
`203.138.203.in-addr.arpa`

Starts with same word
`138.us`
`138.cash`
`138.it`
`138.mg`
`138.la`
`138.co`
`138.cc`
`138.lv`
`138.chat`
`138.org`
`138.casino`
`138.one`
`138.network`
`138.ph`
`138.ac`
`138.hu`
`138.by`
`138.cn`
`138.im`
`138.info`
`138.at`
`138.pl`
`138.co.jp`
`138.nl`
`138.fr`
`138.gd`
`138.tel`
`138.tv`
`138.am`
`138.me`
`138.lu`
`138.jp`
`138.eu`
`138.cm`
`138.io`
`138.biz`
`138.bet`
`138.in-addr.arpa`
`138.ru`
`138.games`
`138.world`
`138.city`
`138.be`
`138.com`
`138.net`
`138.media`

Starts similarily
`318.ca`
`318.co.kr`
`831.de`
`318.io`
`318.it`
`831.bz`
`138.us`
`831.it`
`183.la`
`138.cash`
`831.biz`
`183.org`
`813.eu`
`381.eu`
`183.at`
`318.pl`
`318.bz`
`138.it`
`831.eu`
`183.in-addr.arpa`
`138.mg`
`183.dk`
`183.sc.cn`
`318.tv`
`138.la`
`381.net.cn`
`831.com`
`138.co`
`813.dk`
`138.cc`
`831.nl`
`381.nl`
`813.in`
`138.lv`
`183.tv`
`138.chat`
`831.su`
`831.at`
`831.co`
`813.com`
`831.cn`
`381.ru`
`381.tv`
`318.de`
`183.cn`
`138.org`
`138.casino`
`138.one`
`138.network`
`138.ph`
`381.ink`
`318.ink`
`813.at`
`381.com`
`138.ac`
`183.co`
`138.hu`
`813.com.tw`
`381.ph`
`138.by`
`183.fr`
`138.cn`
`138.im`
`183.tw`
`138.info`
`138.at`
`318.jp`
`381.ir`
`138.pl`
`318.studio`
`138.co.jp`
`381.us`
`138.nl`
`318.ir`
`138.fr`
`381.me`
`813.org`
`183.com.cn`
`813.ru`
`813.fm`
`831.net`
`138.gd`
`381.in`
`831.pl`
`183.ca`
`138.tel`
`138.tv`
`831.es`
`318.cool`
`318.cn`
`138.am`
`381.ca`
`318.biz`
`318.cc`
`183.com`
`381.biz`
`183.ru`
`318.org`
`381.de`
`138.me`
`138.lu`
`318.org.uk`
`183.app`
`318.ru`
`138.jp`
`318.fr`
`318.coffee`
`138.eu`
`813.ch`
`138.cm`
`813.de`
`318.in`
`381.cn`

AI analysis

Hundreds of host names, including 213.138.203.in-addr.arpa, 79.138.203.in-addr.arpa, 112.138.203.in-addr.arpa, 49.138.203.in-addr.arpa, and 54.138.203.in-addr.arpa, have 138.203.in-addr.arpa as their parent.

The delegation of 138.203.in-addr.arpa is done to six name servers, namely a.dns.jp, b.dns.jp, d.dns.jp, e.dns.jp, f.dns.jp, and g.dns.jp.

Name servers of 138.203.in-addr.arpa are at least partially shared with other domains such as 102.219.in-addr.arpa, 40.218.in-addr.arpa, 14.211.in-addr.arpa, 223.220.in-addr.arpa, and 122.61.in-addr.arpa.

a.dns.jp points to IP numbers 2001:dc4::1 and 203.119.1.1, while b.dns.jp points to 2001:dc2::1 and 202.12.30.131. d.dns.jp points to 2001:240::53 and 210.138.175.244, and e.dns.jp to 2001:200:c000::35 and 192.50.43.53. Lastly, f.dns.jp points to 2001:2f8:0:100::153 and 150.100.6.8, and g.dns.jp points to $ IP number 203.119.40.1.

dbq