`mail.pragainfo.net`

DNSSEC	⚠️ Not signed
A	81.91.87.10^{🇨🇿 WEB4U81.91.80.0/21}
		PTR	`mail.web4u.cz`

`pragainfo.net`

	DNSSEC	⚠️ Not signed
	A	2001:1568::13^{🇨🇿 WEB4U2001:1568::/33}
	A	81.91.86.13^{🇨🇿 WEB4U81.91.80.0/21}
	NS	`ns2.web4u.cz` ⭐
	NS	`ns.web4u.cz`
	MX	`mx1.mailchannels.net` ⭐
	MX	`mx2.mailchannels.net` ⭐
	TXT	`v=spf1 include:_spf.web4u.cz ~all`
	SOA	`ns.web4u.cz`admin@web4u.cz 2025-04-30 #0

Previously MX for

pragainfo.net

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DNS History

1 record (1 active, 0 former)

●A81.91.87.102015-05-24 → 2026-04-14 · 2 obs

● 2015-05-24 17:44:06
● 2026-04-14 04:04:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
pragainfo.net	ns.web4u.cz, ns2.web4u.cz	-

✅ Authoritative Response

Server:85.207.53.12

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pragainfo.net (unsigned zone)

⏱️ Timing

Total: 3602ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.91.87.10`

Analysis

IP Addresses

mail.pragainfo.net points to a single IP number: 81.91.87.10.

Other host names, for instance mediamix.cz, mail.wapro.eu, mail.qdo.cz, mail.czech-box.cz and mail.martinuvoices.cz share IP numbers with mail.pragainfo.net.

mail.pragainfo.net - robtex.com