DNSWHOIS.INFO - 57.139.81.in-addr.arpa

Search for IP or hostnames:

57.139.81.in-addr.arpa checked at 2025-10-18T14:03:56.325Z 534ms 42/42/42 100% R:15

`57.139.81.in-addr.arpa`

NS	`ns0.bt.net`
		A	217.35.209.188^{🇬🇧 BTnet (BT's UK IP Network - AS2856)}
			PTR	`ns0.bt.net`
NS	`ns1.bt.net`
		A	217.32.105.91^{🇬🇧 BTnet (BT's UK IP Network - AS2856)}
			PTR	`indnss01.bt.net`
			PTR	`ns1.bt.net`
			PTR	`indnss01.ukcore.bt.net`
NS	`ns2.bt.net`
		A	217.32.105.90^{🇬🇧 BTnet (BT's UK IP Network - AS2856)}
			PTR	`indnss02.bt.net`
			PTR	`ns2.bt.net`
			PTR	`indnss02.ukcore.bt.net`

`139.81.in-addr.arpa`

	NS	`ns0.bt.net`
	NS	`ns1.bt.net`
	NS	`ns2.bt.net`

Up

43.57.139.81.in-addr.arpa

65.57.139.81.in-addr.arpa

41.57.139.81.in-addr.arpa

34.57.139.81.in-addr.arpa

76.57.139.81.in-addr.arpa

45.57.139.81.in-addr.arpa

37.57.139.81.in-addr.arpa

39.57.139.81.in-addr.arpa

68.57.139.81.in-addr.arpa

36.57.139.81.in-addr.arpa

66.57.139.81.in-addr.arpa

74.57.139.81.in-addr.arpa

69.57.139.81.in-addr.arpa

33.57.139.81.in-addr.arpa

70.57.139.81.in-addr.arpa

38.57.139.81.in-addr.arpa

Starts with same word

57.com.cn

57.se

57.biz

57.net.cn

57.cl

57.si

57.dk

57.fi

57.lt

57.by

57.md

57.nl

57.no

57.hu

57.be

57.cn

57.com.tw

57.gg

57.in-addr.arpa

57.la

57.am

57.de

57.pl

57.amsterdam

57.com

57.ai

Starts similarily

57.md

75.net

75.tel

75.nu

57.nl

75.to

75.in-addr.arpa

57.no

75.wf

57.hu

57.be

75.de

57.cn

57.com.tw

75.la

75.org

75.se

57.gg

75.network

75.ru

57.in-addr.arpa

75.world

75.net.cn

75.cz

57.la

75.gold

75.cc

57.am

75.no

75.su

75.fr

57.de

57.pl

57.amsterdam

75.amsterdam

57.com

75.lv

75.lt

57.ai

75.biz

57.com.cn

75.chat

57.se

75.co.za

57.biz

57.net.cn

75.be

75.ag

75.pe

57.cl

75.hk

57.si

75.ph

75.com

57.dk

57.fi

75.team

57.lt

75.tv

57.by

75.pl

AI analysis

57.139.81.in-addr.arpa is a parent of 43.57.139.81.in-addr.arpa, 65.57.139.81.in-addr.arpa, 41.57.139.81.in-addr.arpa, 34.57.139.81.in-addr.arpa, 76.57.139.81.in-addr.arpa and several other host names.

The delegation for 57.139.81.in-addr.arpa is handled by three name servers: ns0.bt.net, ns1.bt.net and ns2.bt.net.

57.139.81.in-addr.arpa at least partially shares name servers with other domains, for instance 251.1.213.in-addr.arpa, 121.213.in-addr.arpa, littlewoodseurope.com, frutaromssl.com and 129.145.81.in-addr.arpa.

Host names with one IP number:

ns0.bt.net points to 217.35.209.188.

ns1.bt.net points to 217.32.105.91.

ns2.bt.net points to 217.32.105.90.

dbq