`b.mx.webby.cz`

DNSSEC	⚠️ Not signed
A	93.185.100.244^{🇨🇿 VSHOSTING93.185.96.0/20 II.}
		PTR	`sns.nethost.sk`

`mx.webby.cz`

DNSSEC

⚠️ Not signed

MX for

webby.cz

Same first word

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b.githubusercontent.com

b.fyi

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b.s3.amazonaws.com

b.vn.ua

b.beer

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b.aivencloud.com

b.br

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b.et

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b.nu

b.link

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b.mr

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b.ai

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b.gov.au

b.fit

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b.hu

b.ddns.net

b.bike

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b.to

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b.eus

b.cl

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b.ath.cx

DNS History

2 records (1 active, 1 former)

●A93.185.100.2442026-02-17 → 2026-04-24 · 3 obs

○ 2016-11-15 05:10:56
● 2026-02-17 12:05:04
● 2026-04-24 12:35:20

○A94.138.111.982015-05-10 → 2016-11-15 · 4 obs

● 2015-05-10 07:04:04
● 2016-11-15 05:10:56
○ 2026-02-17 12:05:04
○ 2026-04-24 12:35:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
webby.cz	a.ns.tojeono.cz, b.ns.tojeono.cz, c.ns.tojeono.cz	3 records

✅ Authoritative Response

Server:77.78.105.17

NS records: a.ns.tojeono.cz, b.ns.tojeono.cz, c.ns.tojeono.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 957ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`93.185.100.244`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (a.ns.tojeono.cz, b.ns.tojeono.cz, c.ns.tojeono.cz)

Analysis

Mail Server Role

b.mx.webby.cz serves as the mail server for webby.cz.

a.mx.webby.cz and c.mx.webby.cz are commonly used as mail servers together with b.mx.webby.cz.

IP Addresses

b.mx.webby.cz points to a single IP address: 93.185.100.244.

Other host names such as b.mx.euroformcz.com, b.mx.aveto.cz, b.mx.a20.cz, b.mx.smiledental.cz and mail2.multicom.cz share IP numbers with b.mx.webby.cz.

b.mx.webby.cz - robtex.com

b.mx.webby.cz

mx.webby.cz