mail.linuxhost.cz - dns.ninja

`mail.linuxhost.cz`

DNSSEC	⚠️ Not signed
A	217.170.99.20^{🇨🇿 CZ-NORDICTELECOMREGIONAL217.170.96.0/20}
		PTR	`ns1.linuxhost.cz`

`linuxhost.cz`

	DNSSEC	⚠️ Not signed
	A	217.170.99.20^{🇨🇿 CZ-NORDICTELECOMREGIONAL217.170.96.0/20}
	NS	`ns1.linuxhost.cz` ⭐
	NS	`ns2.linuxhost.cz`
	MX	`mail.linuxhost.cz` ⭐
	TXT	`v=spf1 a mx ip4:217.170.99.20 ip4:217.170.99.20 ~all`
	SOA	`ns1.linuxhost.cz`postmaster@linuxhost.cz 2015-10-19 #0

MX for

linuxhost.cz

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Similar names

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DNS History

1 record (1 active, 0 former)

●A217.170.99.202015-07-04 → 2026-07-26 · 2 obs

● 2015-07-04 23:17:38
● 2026-07-26 19:42:16

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:46.167.231.5

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxhost.cz (unsigned zone)

⏱️ Timing

Total: 1148ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.170.99.20`

📌 Glue Records Collected

Total: 2

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

Analysis

Mail Server Role

The mail server mail.linuxhost.cz processes email for linuxhost.cz.

IP Addresses

mail.linuxhost.cz resolves to just one IP address, 217.170.99.20.

Host names such as linuxhost.cz and ns1.linuxhost.cz share IP numbers with mail.linuxhost.cz.