`host01.devtek.pl`

	DNSSEC	⚠️ Not signed
	A	91.121.245.243^{🇫🇷 OVH91.121.0.0/16 ISP Paris, France}

`devtek.pl`

	DNSSEC	🔒 Signed (DS record present)
	A	91.121.245.251^{🇫🇷 OVH91.121.0.0/16 ISP Paris, France}
	NS	`jim.ns.cloudflare.com` ⭐
	NS	`nina.ns.cloudflare.com`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
	MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
	TXT	`783aa3a43785aa3df169ff26ff24ef4e3254b47ea99466f7fc9f3ab223cc5516`
	TXT	`aa9a3ee83c230522dd5e48ef2156442`
	TXT	`atlassian-domain-verification=MbAAe7ed6RmOGlweZxvkWrHdUIbnhaTX8yhWc8hU3R4Izaa...`
	TXT	`atlassian-sending-domain-verification=f16300d6-a5c0-4d64-a1fd-a13c9825b76b`
	TXT	`cd96bb4c9054544feb08d950e5d114a4`
	TXT	`v=spf1 mx ptr ip6:2001:41d0:52:a00::dbb ip4: 91.121.245.240/28 ip4:78.11.118....`
	SOA	`jim.ns.cloudflare.com`dns@cloudflare.com serial=2402908953

Same first word

host01.com

host01.ch

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host01.ru

host01.be

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DNS History

2 records (1 active, 1 former)

○A37.59.230.1462015-08-05 → 2016-07-09 · 3 obs

● 2015-08-05 04:58:28
● 2016-07-09 14:29:10
○ 2026-05-10 02:28:24

●A91.121.245.2432026-05-10 → 2026-05-10 · 2 obs

○ 2016-07-09 14:29:10
● 2026-05-10 02:28:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	f-dns.pl, d-dns.pl, a-dns.pl, b-dns.pl...	-
devtek.pl	jim.ns.cloudflare.com, nina.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.136

NS records: jim.ns.cloudflare.com, nina.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 238ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.121.245.243`

Analysis

IP Addresses

host01.devtek.pl points to a single IP number: 91.121.245.243.

host01.devtek.pl - robtex.com

host01.devtek.pl

devtek.pl