`mail2.isol.cz`

CNAME	`isol.cz`
DNSSEC	⚠️ Not signed
A	89.187.131.41^{🇨🇿 COOLHOUSING-AS89.187.130.0/23 Network of Coolhousing}
		PTR	`mail.isol.cz`
NS	`ns1.isol.cz` ⭐
		A	89.187.131.40^{🇨🇿 COOLHOUSING-AS89.187.130.0/23 Network of Coolhousing}
			PTR	`ns1.isol.cz`
NS	`ns2.isol.cz`
		A	89.187.131.41^{🇨🇿 COOLHOUSING-AS89.187.130.0/23 Network of Coolhousing}
			PTR	`mail.isol.cz`
MX	`mail.isol.cz` ⭐
		A	89.187.131.41^{🇨🇿 COOLHOUSING-AS89.187.130.0/23 Network of Coolhousing}
			PTR	`mail.isol.cz`
TXT	`v=spf1 mx ip4:89.187.131.48 ip4:89.187.131.47 ip4:89.187.131.41 ip4:89.187.1...`
TXT	`google-site-verification=ujfqEAq8Dz3xLVpRLRUAJGXJTXfFpQVoysbfUUjtbNo`
SOA	`ns1.isol.cz`admin@isol.cz serial=2026000023

`isol.cz`

	DNSSEC	⚠️ Not signed
	A	89.187.131.41^{🇨🇿 COOLHOUSING-AS89.187.130.0/23 Network of Coolhousing}
	NS	`ns1.isol.cz` ⭐
	NS	`ns2.isol.cz`
	MX	`mail.isol.cz` ⭐
	TXT	`v=spf1 mx ip4:89.187.131.48 ip4:89.187.131.47 ip4:89.187.131.41 ip4:89.187.1...`
	TXT	`google-site-verification=ujfqEAq8Dz3xLVpRLRUAJGXJTXfFpQVoysbfUUjtbNo`
	SOA	`ns1.isol.cz`admin@isol.cz serial=2026000023

WOT: SAFE (64/100)
WOT: SAFE (82/100)
📈 Tranco rank: #438,834

PTR for

42.131.187.89.in-addr.arpa

Previously MX for

Same first word

mail2.mobi

mail2.eu

mail2.iki.fi

mail2.you

mail2.no-ip.org

mail2.dev

mail2.cloudapp.net

mail2.cz

mail2.me

mail2.hu

mail2.ph

mail2.ca

mail2.de

mail2.nhs.uk

mail2.im

mail2.df.gov.br

mail2.myfritz.net

mail2.it

mail2.com

mail2.dyndns.org

mail2.la

mail2.cloudaccess.net

mail2.email

mail2.asia

mail2.ru

mail2.do

mail2.net

mail2.gouv.ci

mail2.se

mail2.us

mail2.nl

mail2.in

mail2.ch

mail2.fi

mail2.xyz

mail2.name

mail2.dk

mail2.cn

mail2.app

mail2.sakura.ne.jp

mail2.cc

mail2.co

mail2.kapsi.fi

mail2.gov.pt

mail2.be

mail2.est.pr

mail2.ras.ru

mail2.altervista.org

mail2.mil.ru

mail2.kinghost.net

Similar names

alim2.com

2mail.io

2mail.ru

2mail.space

2mail.com

2mail.net

2mail.com.ua

2mail.eu

2mail.pro

2mail.at

2mail.nl

2mail.im

ml2ai.com

2mail.co

2mail.de

2mila.it

2mail.fr

2mail.online

2mail.ca

2mail.co.za

2mail.ch

a2mil.com

2mail.ro

2mail.org

2mail.dk

2mail.serveftp.com

mi2la.de

lima2.com

DNS History

3 records (1 active, 2 former)

○A89.187.131.422015-06-19 → 2016-07-23 · 4 obs

● 2015-06-19 22:38:30
● 2016-07-23 13:09:02
○ 2016-12-18 23:30:40
○ 2026-04-14 13:43:04

○A89.187.131.472016-12-18 → 2016-12-18 · 4 obs

○ 2016-07-23 13:09:02
● 2016-12-18 23:30:40
○ 2017-06-06 17:23:44
○ 2026-04-14 13:43:04

●CNAMEisol.cz2017-06-06 → 2026-04-14 · 2 obs

● 2017-06-06 17:23:44
● 2026-04-14 13:43:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz	-
isol.cz	ns1.isol.cz, ns2.isol.cz	2 records

✅ Authoritative Response

Server:89.187.131.40

NS records: ns1.isol.cz, ns2.isol.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isol.cz (unsigned zone)

⏱️ Timing

Total: 999ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`isol.cz`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.isol.cz, ns2.isol.cz)

Analysis

IP Addresses

mail2.isol.cz resolves to a single IP address: 89.187.131.41.

Other host names including isol.cz, cisteniperi.com, skutec.com, smokie.cz and www.marypoppins.cz share IP numbers with mail2.isol.cz.

Name Servers

mail2.isol.cz's delegation uses two name servers, ns1.isol.cz and ns2.isol.cz.

mail2.isol.cz shares the same name server setup as other domains, for example zein.cz, sklenarstvikk.cz, zastavarna-spider.cz, tranis.cz and izokom.cz.

mail2.isol.cz at least partially shares name servers with other domains, for example velis.info, redoza.cz and rockboard.cz.

These name servers are often used together with ns3.isol.cz.

Host names with a single IP:

ns1.isol.cz points to 89.187.131.40.

ns2.isol.cz points to 89.187.131.41.

Mail Servers

mail2.isol.cz is handled by a single mail server, mail.isol.cz.

mail2.isol.cz shares its mail server setup with other domains, including topenihk.cz, lockpick.cz, redoza.cz, marypoppins.cz and digitron.cz.

mail.isol.cz points to a single IP: 89.187.131.41.

mail2.isol.cz - robtex.com

mail2.isol.cz

isol.cz