`by.ptr256.ptrcloud.net`

DNSSEC	⚠️ Not signed
A	133.117.153.51^{🇯🇵 AS131921133.117.152.0/21 GMO GlobalSign Holdings K.K.}
		PTR	`by.ptr256.ptrcloud.net`

`ptr256.ptrcloud.net`

	DNSSEC	⚠️ Not signed
	NS	`ns2.namedserver.net` ⭐ ⚠️ Not in parent delegation
	NS	`ns.namedserver.net` ⚠️ Not in parent delegation
	SOA	`ns.namedserver.net`root@namedserver.net serial=2

PTR for

51.153.117.133.in-addr.arpa

Same first word

by.com.tw

by.ks.ua

by.com.vn

by.no

by.nu

by.ca

by.tc

by.is

by.si

by.pl

by.to

by.com.cn

by.ph

by.be

by.com.tr

by

by.tv

by.cc

by.ventures

by.gov.sg

by.gy

by.io

by.rs

by.mba

by.com.au

by.de

by.kz

by.ma

by.com.ua

by.jx.cn

by.au

by.city

by.la

by.cz

by.cl

by.by

by.com

by.cm

by.net

by.ms

by.lt

by.uz

by.co

by.me

by.nl

by.nf

by.gs

by.digital

by.ink

by.dk

by.s3-website-us-west-1.amazonaws.com

by.edu.vn

by.s3-website-us-east-1.amazonaws.com

by.soccer

by.com.es

by.sh

by.chat

by.web.id

by.neustar

by.fm

by.org

by.ru

by.gov.cn

by.co.nz

by.mk

by.am

by.cn

by.su

by.net.pl

by.amsterdam

by.land

by.fr

by.lv

by.ws

Similar names

yb.nl

yb.vc

yb.biz

yb.com.tr

yb.lv

yb.cm

yb.my

yb.pl

yb.com.pl

yb.cl

yb.tl

yb.com.mx

yb.digital

yb.by

yb.sg

yb.lt

yb.fm

yb.gd

yb.com.au

yb.fyi

yb.com.ua

yb.cc

yb.com

yb.tv

yb.cz

yb.ru

yb.com.br

yb.co

yb.dk

yb.sk

yb.org

yb.se

yb.gov.cn

yb.net

yb.co.id

yb.nu

yb.run

yb.zj.cn

yb.to

yb.chat

yb.luxe

DNS History

1 record (1 active, 0 former)

●A133.117.153.512026-04-29 → 2026-05-15 · 2 obs

● 2026-04-29 19:07:56
● 2026-05-15 02:29:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ptrcloud.net	ns.namedserver.net, ns2.namedserver.net	6 records

✅ Authoritative Response

Server:157.120.112.212

NS records: ns.namedserver.net, ns2.namedserver.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ptrcloud.net (unsigned zone)

⏱️ Timing

Total: 515ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`133.117.153.51`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns.namedserver.net, ns.namedserver.net, ns.namedserver.net...)

Analysis

IP Addresses

by.ptr256.ptrcloud.net resolves to one IP number: 133.117.153.51.

Other host names such as mail.blanche-luire.com and blanche-luire.com share IP numbers with by.ptr256.ptrcloud.net.

by.ptr256.ptrcloud.net - robtex.com