`mail.duzo.pl`

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

`duzo.pl`

	DNSSEC	⚠️ Not signed
	A	185.253.212.22^{🇵🇱 AS48707-OPS-PL185.253.212.0/24}
	NS	`verify-d9699a577ac58834.ns1.aftermarket.pl` ⭐
	NS	`verify-d9699a577ac58834.ns2.aftermarket.pl`
	MX	`blackhole.aftermarket.pl` ⭐
	TXT	`v=spf1 mx -all`
	SOA	`verify-d9699a577ac58834.ns1.aftermarket.pl`kontakt@aftermarket.pl serial=2511162004

Previously MX for

duzo.pl

Same first word

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DNS History

5 records (1 active, 4 former)

●A185.253.212.222026-04-09 → 2026-04-14 · 3 obs

○ 2016-08-09 13:23:12
● 2026-04-09 13:20:40
● 2026-04-14 04:13:30

○A188.128.173.182015-06-14 → 2016-01-03 · 4 obs

● 2015-06-14 21:20:42
● 2016-01-03 20:29:08
○ 2016-04-01 21:29:28
○ 2026-04-14 04:13:30

○A188.128.255.2512015-10-26 → 2016-08-09 · 7 obs

○ 2015-06-14 21:20:42
● 2015-10-26 07:05:40
○ 2016-01-03 20:29:08
○ 2016-04-01 21:29:28
● 2016-08-09 13:23:12
○ 2026-04-09 13:20:40
○ 2026-04-14 04:13:30

○A79.96.139.1322016-04-01 → 2016-04-01 · 4 obs

○ 2016-01-03 20:29:08
● 2016-04-01 21:29:28
○ 2016-08-09 13:23:12
○ 2026-04-14 04:13:30

○CNAMEwww.duzo.pl2015-06-14 → 2016-08-09 · 4 obs

● 2015-06-14 21:20:42
● 2016-08-09 13:23:12
○ 2026-04-09 13:20:40
○ 2026-04-14 04:13:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	j-dns.pl, a-dns.pl, f-dns.pl, b-dns.pl...	-
duzo.pl	verify-d9699a577ac58834.ns1.aftermarket.pl, verify-d9699a577ac58834.ns2.aftermarket.pl	-

✅ Authoritative Response

Server:185.253.213.10

NS records: verify-d9699a577ac58834.ns1.aftermarket.pl, verify-d9699a577ac58834.ns2.aftermarket.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duzo.pl (unsigned zone)

⏱️ Timing

Total: 349ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.253.212.22`

Analysis

IP Addresses

mail.duzo.pl resolves to one IP number: 185.253.212.22.

Other host names, for instance expresslubelski.pl, mwork.pl, vines.pl, domatex.pl and mail.happy-travel.pl share IP numbers with mail.duzo.pl.

mail.duzo.pl - robtex.com

mail.duzo.pl

duzo.pl