`kos.eko-program.cz`

DNSSEC	⚠️ Not signed
A	81.91.86.11^{🇨🇿 WEB4U81.91.80.0/21}
		PTR	`php5.web4u.cz`

`eko-program.cz`

	DNSSEC	⚠️ Not signed
	A	81.91.86.11^{🇨🇿 WEB4U81.91.80.0/21}
	NS	`ns2.web4u.cz` ⭐
	NS	`ns.web4u.cz`
	MX	`ekoprogram-cz0i.mail.protection.outlook.com` ⭐
	TXT	`MS=ms61249117`
	TXT	`v=spf1 include:spf.protection.outlook.com -all`
	SOA	`ns.web4u.cz`admin@web4u.cz 2024-03-01 #0

Previously MX for

eko-program.cz

Same first word

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kos.ru

kos.im

kos.cl

kos.am

kos.mx

kos.com.ua

kos.pl

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kos.in

kos.sakura.ne.jp

kos.org.tr

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kos.ch

kos.com.pl

kos.info

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kos.ca

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kos.gov.gr

kos.net.au

kos.mk

kos.systems

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kos.la

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kos.cafe

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kos.ee

kos.com.tr

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kos.w.se

kos.si

kos.com

kos.al

kos.ma

kos.uni5.net

kos.name

kos.to

kos.s3.amazonaws.com

kos.org.pl

kos.co.kr

Similar names

oks.lt

sko.no

osk.de

sko.co

sok.casino

sko.pl

sko.com.br

osk.org.tr

oks.org.rs

oks.bz

oks.com.ua

sko.ir

osk.lt

kso.cz

sko.ca

osk.su

sok.ro

sko.kz

sko.sk

osk.cn

sok.by

kso.at

sok.sk

oks.jp

osk.at

sok.nl

oks.bg

sok.lv

oks.org

oks.or.jp

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sko.is

sok.today

oks.tw

kso.jp

sok.ai

sko.co.jp

sok.cc

sok.io.vn

sko.link

oks.net

kso.org

oks.fr

sok.asia

kso.ru

sko.fm

osk.ru

oks.se

sko.kr

osk.pl

sok.kr

osk.sh

sok.fm

osk.com

kso.cc

osk.net.pl

kso.co.uk

sok.lt

sko.io

oks.ee

oks.it

sok.ch

sok.co

osk.or.kr

sok.cz

sok.slupsk.pl

sok.org

osk.co.jp

sko.com

sok.ca

osk.com.ua

sko.it

kso.de

oks.cz

sko.szczecin.pl

sko.jp

DNS History

2 records (1 active, 1 former)

●A81.91.86.112026-07-15 → 2026-07-15 · 3 obs

○ 2016-09-11 21:07:38
● 2026-07-15 16:34:56
● 2026-07-15 16:34:58

○A81.91.87.102015-06-13 → 2016-09-11 · 4 obs

● 2015-06-13 19:45:04
● 2016-09-11 21:07:38
○ 2026-07-15 16:34:56
○ 2026-07-15 16:34:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz	-
eko-program.cz	ns.web4u.cz, ns2.web4u.cz	4 records

✅ Authoritative Response

Server:85.207.53.12

NS records: ns.web4u.cz, ns2.web4u.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1132ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.91.86.11`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns.web4u.cz, ns2.web4u.cz, ns.web4u.cz...)

Analysis

IP Addresses

kos.eko-program.cz resolves to just one IP address, 81.91.86.11.

Two other host names, along with unassigned-81-91-83-233.web4u.cz, unassigned-81-91-81-187.web4u.cz and unassigned-81-91-87-114.web4u.cz, also share IP numbers with kos.eko-program.cz.

kos.eko-program.cz - robtex.com