`mail.redsystems.eu`

DNSSEC	⚠️ Not signed
A	91.237.52.78^{🇵🇱 BIZNESHOST-AS91.237.52.0/24}
		PTR	`s139.cyber-folks.pl`

`redsystems.eu`

	DNSSEC	⚠️ Not signed
	A	91.237.52.78^{🇵🇱 BIZNESHOST-AS91.237.52.0/24}
	NS	`dns11.linuxpl.com` ⭐ ⚠️ Not in parent delegation
	NS	`dns1.linuxpl.com` ⚠️ Not in zone NS records
	NS	`dns2.linuxpl.com` ⚠️ Not in parent delegation
	NS	`ns11.linuxpl.com` ⚠️ Not in zone NS records
	MX	`mail.redsystems.eu` ⭐
	TXT	`v=spf1 a mx include:spf.linuxpl.com ip4:91.237.52.78 ip4:176.9.79.66 -all`
	SOA	`dns1.linuxpl.com`hostmaster@redsystems.eu 2023-11-16 #0

MX for

redsystems.eu

Same first word

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DNS History

2 records (1 active, 1 former)

○A176.9.79.792015-06-01 → 2016-08-14 · 4 obs

● 2015-06-01 23:11:06
● 2016-08-14 03:44:56
○ 2026-04-26 20:00:42
○ 2026-04-26 20:00:44

●A91.237.52.782026-04-26 → 2026-04-26 · 3 obs

○ 2016-08-14 03:44:56
● 2026-04-26 20:00:42
● 2026-04-26 20:00:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
eu	w.dns.eu, x.dns.eu, y.dns.eu, be.dns.eu...	-
redsystems.eu	ns11.linuxpl.com, dns11.linuxpl.com	-

✅ Authoritative Response

Server:94.152.255.111

NS records: ns11.linuxpl.com, dns11.linuxpl.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for redsystems.eu (unsigned zone)

⏱️ Timing

Total: 532ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.237.52.78`

Analysis

Mail Server Role

mail.redsystems.eu acts as a mail server for redsystems.eu.

IP Addresses

mail.redsystems.eu points to a single IP number: 91.237.52.78.

Other host names, for instance fira.com.pl, mail.zeld.pl, mail.queensizerecords.pl, kubit.net and akopec.eu share IP numbers with mail.redsystems.eu.

mail.redsystems.eu - robtex.com