`mail.masterclass.pl`

DNSSEC	⚠️ Not signed
A	195.78.67.57^{🇵🇱 CF-GDA195.78.66.0/23}
		PTR	`s179.cyber-folks.pl`

`masterclass.pl`

	DNSSEC	⚠️ Not signed
	A	195.78.67.57^{🇵🇱 CF-GDA195.78.66.0/23}
	NS	`ns1.cyberfolks.pl` ⭐
	NS	`ns2.cyberfolks.pl`
	NS	`ns3.cyberfolks.pl`
	MX	`mail.masterclass.pl` ⭐
	TXT	`baaa7047209fab648e6e98381dddf245165358a273f23e2917e14425d6c73a8`
	TXT	`v=spf1 a mx include:_spf.cyberfolks.pl -all`
	SOA	`ns1.cyberfolks.pl`hostmaster@masterclass.pl 2026-06-24 #3

MX for

masterclass.pl

Same first word

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DNS History

1 record (1 active, 0 former)

●A195.78.67.572026-07-14 → 2026-07-16 · 2 obs

● 2026-07-14 00:48:04
● 2026-07-16 02:19:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	f-dns.pl, a-dns.pl, b-dns.pl, d-dns.pl...	-
masterclass.pl	ns1.cyberfolks.pl, ns2.cyberfolks.pl, ns3.cyberfolks.pl	3 records

✅ Authoritative Response

Server:94.152.254.111

NS records: ns1.cyberfolks.pl, ns2.cyberfolks.pl, ns3.cyberfolks.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for masterclass.pl (unsigned zone)

⏱️ Timing

Total: 169ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`195.78.67.57`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.cyberfolks.pl, ns2.cyberfolks.pl, ns3.cyberfolks.pl)

Analysis

Mail Server Role

Mail for masterclass.pl is routed through the mail server mail.masterclass.pl.

IP Addresses

mail.masterclass.pl has exactly one IP address — 195.78.67.57.

imap.promag.pl, brushwarriors.com, babskiswiat.com.pl plus two other host names have IP numbers in common with mail.masterclass.pl.

mail.masterclass.pl - robtex.com