`localhost.sister.cz`

	DNSSEC	⚠️ Not signed
	A	127.0.0.1

`sister.cz`

	DNSSEC	⚠️ Not signed
	A	81.0.254.139^{🇨🇿 CASABLANCA-AS81.0.254.0/23 Casablanca INT}
	NS	`ns.jfcomp.cz` ⭐ ⚠️ Not in parent delegation
	NS	`ms.imatic.cz` ⚠️ Not in parent delegation
	NS	`ms.jfcomp.cz` ⚠️ Not in zone NS records
	NS	`ns.imatic.cz` ⚠️ Not in parent delegation
	NS	`ns3.imatic.cz` ⚠️ Not in zone NS records
	MX	`localhost.sister.cz` ⭐
	TXT	`v=spf1 mx include:spf.imatic.cz ~all`
	SOA	`ns.jfcomp.cz`hostmaster@jfcomp.cz 2026-04-30 #1

MX for

sister.cz

Same first word

localhost.ru

localhost.be

localhost.exposed

localhost.as

localhost.one

localhost.dz

localhost.ge

localhost.systems

localhost.sg

localhost.fm

localhost.info

localhost.singles

localhost.technology

localhost.cat

localhost.to

localhost.co.uk

localhost.com.au

localhost.bplaced.net

localhost.vn

localhost.or.at

localhost.it

localhost.com

localhost.nl

localhost.name

localhost.org

localhost.cab

localhost.us

localhost.guru

localhost.dk

localhost.ee

localhost.ba

localhost.asia

localhost.me.uk

localhost.net

localhost.com.pl

localhost.li

localhost.jp

localhost.gg

localhost.team

localhost.sk

localhost.so

localhost.group

localhost.uk.net

localhost.su

localhost.is

localhost.re

localhost.lu

localhost.tv

localhost.com.ar

localhost.gd

localhost.cx

localhost.fr

localhost.bg

localhost.net.nz

localhost.ly

localhost.pw

localhost.biz

localhost.cl

localhost.lt

localhost.uz

localhost.ch

localhost.me

localhost.dating

localhost.run

localhost.net.au

localhost.cz

localhost.com.br

localhost.hu

localhost.co

localhost.my

localhost.de

localhost.net.br

localhost.fail

localhost.ws

localhost.nl.eu.org

localhost.ai

localhost.si

localhost.ae

localhost.ma

localhost.city

localhost.domains

localhost.com.dz

localhost.industries

localhost.co.at

localhost.company

localhost.cc

localhost.co.nz

localhost.direct

localhost.co.cr

localhost.cf

localhost.radio

localhost.net.ar

localhost.st

localhost.today

localhost.eu

localhost.at

localhost.la

localhost.ro

localhost.cn

localhost.nu

localhost.com.ua

localhost.com.sg

localhost.zone

localhost.wtf

localhost.town

localhost.fi

localhost.myshopify.com

localhost.tn

localhost.rs

localhost.hm

localhost.pl

Similar names

DNS History

1 record (1 active, 0 former)

●A127.0.0.12016-12-02 → 2026-05-05 · 2 obs

● 2016-12-02 18:39:48
● 2026-05-05 07:30:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
sister.cz	ms.jfcomp.cz, ns.imatic.cz	3 records

✅ Authoritative Response

Server:81.0.238.37

NS records: ms.jfcomp.cz, ns.imatic.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sister.cz (unsigned zone)

⏱️ Timing

Total: 827ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`127.0.0.1`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ms.jfcomp.cz, ns.imatic.cz, ns.imatic.cz)

Analysis

Mail Server Role

localhost.sister.cz is the mail server for sister.cz.

IP Addresses

localhost.sister.cz maps to IP address 127.0.0.1.

Other host names, for instance mail.icvc.de, 204.44.88.0.static.quadranet.com, ben-deschenes-is-wasting-my-time.your-server.com, mail.visit-sardegna.it and mediiaset.mobi share IP numbers with localhost.sister.cz.

localhost.sister.cz - robtex.com