smtp.claude-code.pl - dns.ninja

`smtp.claude-code.pl`

DNSSEC	⚠️ Not signed
A	188.210.221.221^{🇵🇱 DATASPACE188.210.220.0/22 IPv4 route for PERSKIMEDIA Szymon Perski}
NS	`ns1.seohost.pl` ⚠️ Not in parent delegation
		A	185.200.47.250^{🇵🇱 DATASPACE185.200.44.0/22 IPv4 route for PERSKIMEDIA Szymon Perski}
			PTR	`host-18520047250.seohost-mail.eu`
		A	188.210.221.52^{🇵🇱 DATASPACE188.210.220.0/22 IPv4 route for PERSKIMEDIA Szymon Perski}
			PTR	`host-18821022152.seohost-mail.eu`
NS	`ns2.seohost.pl` ⚠️ Not in parent delegation
		A	188.210.221.179^{🇵🇱 DATASPACE188.210.220.0/22 IPv4 route for PERSKIMEDIA Szymon Perski}
			PTR	`host-188210221179.seohost-mail.eu`
		A	188.210.223.253^{🇵🇱 DATASPACE188.210.220.0/22 IPv4 route for PERSKIMEDIA Szymon Perski}
			PTR	`host-188210223253.seohost-mail.eu`

`claude-code.pl`

	DNSSEC	⚠️ Not signed
	A	188.210.221.221^{🇵🇱 DATASPACE188.210.220.0/22 IPv4 route for PERSKIMEDIA Szymon Perski}
	NS	`ns1.seohost.pl`
	NS	`ns2.seohost.pl`

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DNS History

4 records (3 active, 1 former)

●NSns1.seohost.pl2026-07-28 → 2026-07-28 · 2 obs

● 2026-07-28 08:22:42
● 2026-07-28 08:22:48

●NSns2.seohost.pl2026-07-28 → 2026-07-28 · 2 obs

● 2026-07-28 08:22:42
● 2026-07-28 08:22:48

●A188.210.221.2212026-07-28 → 2026-07-28 · 3 obs

○ 2026-06-25 10:18:30
● 2026-07-28 08:22:42
● 2026-07-28 08:22:48

○A188.210.222.2432026-06-25 → 2026-06-25 · 3 obs

● 2026-06-25 10:18:30
○ 2026-07-28 08:22:42
○ 2026-07-28 08:22:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	b-dns.pl, h-dns.pl, f-dns.pl, a-dns.pl...	-
claude-code.pl	ns1.seohost.pl, ns2.seohost.pl	4 records

✅ Authoritative Response

Server:188.210.221.179

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for claude-code.pl (unsigned zone)

⏱️ Timing

Total: 547ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`188.210.221.221`
NS	2	`ns2.seohost.pl, ns1.seohost.pl`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns2.seohost.pl, ns2.seohost.pl, ns1.seohost.pl...)

Analysis

IP Addresses

smtp.claude-code.pl resolves to one IP address: 188.210.221.221.

www.bugi.pl, mail.fraguj.pl, wekg.pl and two other host names share IP numbers with smtp.claude-code.pl.

Name Servers

smtp.claude-code.pl is served by two delegated name servers, ns1.seohost.pl and ns2.seohost.pl.

smtp.claude-code.pl uses the same name servers as several other domains — among them tachoplus.pl, michalmiernik.pl, dobrepoleasingowe.eu and two more.

There is at least partial name server overlap between smtp.claude-code.pl and other domains — pompycieplapanasonic.pl, 9x9.pl, ed-reseau-informatique.com and two more among them.

These name servers tend to appear in combination with the name servers ns1.microhost.pl, ns2.microhost.pl, dns233cb.dnslite.eu and dns379lb.dnslite.eu.

Each of the two host names carries two IP addresses: ns1.seohost.pl points to 185.200.47.250 and 188.210.221.52, and ns2.seohost.pl points to 188.210.221.179 and 188.210.223.253.