`mx.msus.cz`

DNSSEC

⚠️ Not signed

`msus.cz`

	DNSSEC	🔒 Signed (DS record present)
	A	81.0.235.180^{🇨🇿 CASABLANCA-AS81.0.232.0/21 Casablanca INT}
	NS	`a.ns.tojeono.cz` ⭐
	NS	`b.ns.tojeono.cz`
	NS	`c.ns.tojeono.cz`
	MX	`a.mx.msus.cz` ⭐
	MX	`b.mx.msus.cz`⁽²⁰⁾
	MX	`c.mx.msus.cz`⁽³⁰⁾
	SOA	`a.ns.tojeono.cz`hostmaster@msus.cz 2026-04-21 #0

Subdomains

b.mx.msus.cz

a.mx.msus.cz

c.mx.msus.cz

Same first word

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DNS History

1 record (0 active, 1 former)

○A81.0.235.1802015-07-10 → 2016-04-25 · 6 obs

● 2015-07-10 22:57:24
○ 2015-11-14 23:27:14
● 2016-02-07 12:32:26
● 2016-04-25 15:38:02
○ 2016-05-29 07:59:06
○ 2026-04-25 08:12:30

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:93.185.100.244

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: 1180ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 3

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

mx.msus.cz - robtex.com

mx.msus.cz

msus.cz