`mail.rolco.pl`

DNSSEC	⚠️ Not signed
A	51.77.44.28^{🇵🇱 OVH51.77.0.0/16}
		PTR	`web.safenet.pl`

`rolco.pl`

	DNSSEC	⚠️ Not signed
	A	84.205.190.10^{🇵🇱 TKPSA-AS84.205.190.0/24}
	NS	`n1.safenet.pl` ⭐ ⚠️ Not in parent delegation
	NS	`dns.safenet.pl` ⚠️ Not in zone NS records
	NS	`dns2.safenet.pl` ⚠️ Not in zone NS records
	NS	`n2.safenet.pl` ⚠️ Not in parent delegation
	MX	`mail.rolco.pl` ⭐
	TXT	`v=spf1 mx a ptr include:sni.pl -all`
	SOA	`n1.safenet.pl`admin@sni.pl 2026-03-18 #1

MX for

rolco.pl

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DNS History

2 records (1 active, 1 former)

●A51.77.44.282026-06-09 → 2026-07-24 · 3 obs

○ 2016-04-30 18:32:50
● 2026-06-09 23:19:52
● 2026-07-24 05:43:14

○A87.98.233.2302015-07-01 → 2016-04-30 · 4 obs

● 2015-07-01 18:28:26
● 2016-04-30 18:32:50
○ 2026-06-09 23:19:52
○ 2026-07-24 05:43:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	d-dns.pl, j-dns.pl, h-dns.pl, b-dns.pl...	-
rolco.pl	dns2.safenet.pl, dns.safenet.pl	-

✅ Authoritative Response

Server:54.36.184.120

NS records: dns2.safenet.pl, dns.safenet.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rolco.pl (unsigned zone)

⏱️ Timing

Total: 842ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`51.77.44.28`

Analysis

Mail Server Role

mail.rolco.pl serves as a mail server for rolco.pl.

IP Addresses

mail.rolco.pl points to a single IP number: 51.77.44.28.

Additional host names — pedzle.com.pl, weselalubelskie.pl, mail.grawerowanielaserowe.pl and two others — share IP numbers with mail.rolco.pl.

mail.rolco.pl - robtex.com

mail.rolco.pl

rolco.pl