`dd.derbynet.pl`

	DNSSEC	⚠️ Not signed
	A	185.253.212.22^{🇵🇱 AS48707-OPS-PL185.253.212.0/24}

`derbynet.pl`

	DNSSEC	🔒 Signed (DS record present)
	A	185.253.212.22^{🇵🇱 AS48707-OPS-PL185.253.212.0/24}
	NS	`ns1.aftermarket.pl` ⭐
	NS	`ns2.aftermarket.pl`
	MX	`blackhole.aftermarket.pl` ⭐
	TXT	`v=spf1 mx -all`
	SOA	`ns1.aftermarket.pl`kontakt@aftermarket.pl serial=2502171632

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DNS History

1 record (1 active, 0 former)

●A185.253.212.222026-07-19 → 2026-07-19 · 2 obs

● 2026-07-19 13:58:24
● 2026-07-19 13:58:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...	-
derbynet.pl	ns1.aftermarket.pl, ns2.aftermarket.pl	-

✅ Authoritative Response

Server:185.253.214.10

NS records: ns1.aftermarket.pl, ns2.aftermarket.pl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2762ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.253.212.22`

Analysis

IP Addresses

dd.derbynet.pl directs to one IP number, which is 185.253.212.22.

Among the host names that share IP numbers with dd.derbynet.pl are amikus.pl, rj24.pl, proinstall.pl and two others.

dd.derbynet.pl - robtex.com

dd.derbynet.pl

derbynet.pl