`mx.michejda.cz`

CNAME	`michejda.cz`
DNSSEC	⚠️ Not signed
A	77.78.106.36^{🇨🇿 CASABLANCA-AS77.78.96.0/20 Casablanca INT}
		PTR	`srv1.4ws.cz`
NS	`ns.grdns.cz` ⭐
		A	2001:15e8:101:1::c268^{🇨🇿 INTERNET-CZ2001:15e8::/32}
			PTR	`ns.grdns.cz`
		A	81.2.194.104^{🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.}
			PTR	`ns.grdns.cz`
NS	`ns.grdns.it`
		A	2a00:6d41:2:1::7^{🇮🇹 ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network}
			PTR	`ns.grdns.it`
		A	95.110.254.167^{🇮🇹 ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network}
			PTR	`ns.grdns.it`
TXT	`v=spf1 a mx ~all`
TXT	`v=spf1 a mx include:_spf.4ws.cz ~all`
SOA	`ns.grdns.cz`admin@forpsi.com 2023-01-30 #1

`michejda.cz`

	DNSSEC	⚠️ Not signed
	A	77.78.106.36^{🇨🇿 CASABLANCA-AS77.78.96.0/20 Casablanca INT}
	NS	`ns.grdns.cz` ⭐
	NS	`ns.grdns.it`
	TXT	`v=spf1 a mx ~all`
	TXT	`v=spf1 a mx include:_spf.4ws.cz ~all`
	SOA	`ns.grdns.cz`admin@forpsi.com 2023-01-30 #1

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DNS History

1 record (1 active, 0 former)

●CNAMEmichejda.cz2026-05-13 → 2026-05-13 · 2 obs

● 2026-05-13 07:09:54
● 2026-05-13 07:09:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	d.ns.nic.cz, c.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz	-
michejda.cz	ns.grdns.cz, ns.grdns.it	2 records

✅ Authoritative Response

Server:95.110.254.167

NS records: ns.grdns.cz, ns.grdns.it

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for michejda.cz (unsigned zone)

⏱️ Timing

Total: 2503ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`michejda.cz`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.grdns.cz, ns.grdns.cz)

Analysis

IP Addresses

mx.michejda.cz points to IP number 77.78.106.36.

For instance, other host names topeni-hanik.cz, mail1.alteko.cz, pittnercl.cz, dovolenanajachte.net and doga-cz.cz share IP numbers with mx.michejda.cz.

Name Servers

mx.michejda.cz is delegated to two name servers: ns.grdns.cz and ns.grdns.it.

mx.michejda.cz uses the same name server setup as other domains such as notopiskot.cz, vsepro(0x736578).cz, zliv.cz, milkandhoneyfilms.com and shockboardshop.cz.

Host names with two IP numbers:

ns.grdns.cz points to 2001:15e8:101:1::c268 and 81.2.194.104; ns.grdns.it points to 2a00:6d41:2:1::7 and 95.110.254.167.

mx.michejda.cz - robtex.com

mx.michejda.cz

michejda.cz