linux-user.pl - dns.ninja

`linux-user.pl`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:5d9b^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:d3b7^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.93.155^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.211.183^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chad.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b52^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chad.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c152^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chad.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2152^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chad.ns.cloudflare.com`
		A	108.162.193.82^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chad.ns.cloudflare.com`
		A	172.64.33.82^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chad.ns.cloudflare.com`
		A	173.245.59.82^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chad.ns.cloudflare.com`
NS	`iris.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a76^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`iris.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c076^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`iris.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2076^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`iris.ns.cloudflare.com`
		A	108.162.192.118^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`iris.ns.cloudflare.com`
		A	172.64.32.118^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`iris.ns.cloudflare.com`
		A	173.245.58.118^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`iris.ns.cloudflare.com`
MX	`mail.wip.pl` ⭐
		A	5.226.66.177^{🇵🇱 AS-NETIA5.226.64.0/18 NETIA Netia SA Poleczki 13 02-822 Warszawa Poland}
			PTR	`mail.wip.pl`
TXT	`v=spf1 mx ip4:5.226.66.167 ip4:5.226.66.177 ip4:5.226.66.180 ip4:5.226.66.131...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.93.155, 172.67.211.183
		IPv6 hints	2606:4700:3030::6815:5d9b, 2606:4700:3033::ac43:d3b7
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=74, name=cloudflare-ech.com
SOA	`chad.ns.cloudflare.com`dns@cloudflare.com serial=2404082092

`pl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a-dns.pl` ⭐
	NS	`b-dns.pl`
	NS	`d-dns.pl`
	NS	`f-dns.pl`
	NS	`h-dns.pl`
	NS	`j-dns.pl`
	TXT	`ccTLD of Poland`
	SOA	`a-dns.pl`dnsmaster@nask.pl serial=1782542069

Same first word

linux-user.net

linux-user.com.pl

linux-user.com

linux-user.gr

linux-user.ru

linux-user.de

linux-user.eu

linux-user.hatenablog.com

linux-user.pl

DNS History

19 records (7 active, 12 former)

●NSchad.ns.cloudflare.com2026-03-16 → 2026-06-28 · 3 obs

○ 2016-12-07 15:28:36
● 2026-03-16 04:10:02
● 2026-06-28 05:04:04

●NSiris.ns.cloudflare.com2026-03-16 → 2026-06-28 · 3 obs

○ 2016-12-07 15:28:36
● 2026-03-16 04:10:02
● 2026-06-28 05:04:04

○NSns.linux-user.pl2015-06-27 → 2016-12-07 · 4 obs

● 2015-06-27 10:34:58
● 2016-12-07 15:28:36
○ 2026-03-16 04:10:02
○ 2026-06-28 05:04:04

○NSns1.m-online.net2015-06-27 → 2016-12-07 · 4 obs

● 2015-06-27 10:34:58
● 2016-12-07 15:28:36
○ 2026-03-16 04:10:02
○ 2026-06-28 05:04:04

○NSns2.m-online.net2015-06-27 → 2016-12-07 · 4 obs

● 2015-06-27 10:34:58
● 2016-12-07 15:28:36
○ 2026-03-16 04:10:02
○ 2026-06-28 05:04:04

○MXeileithyia.ntm-gmbh.de2015-06-27 → 2016-04-23 · 4 obs

● 2015-06-27 10:34:58
● 2016-04-23 09:13:22
○ 2016-12-07 15:28:36
○ 2026-06-28 05:04:04

○MXmail.linux-user.pl2016-12-07 → 2016-12-07 · 4 obs

○ 2016-04-23 09:13:22
● 2016-12-07 15:28:36
○ 2026-03-16 04:10:02
○ 2026-06-28 05:04:04

●MXmail.wip.pl2026-03-16 → 2026-06-28 · 3 obs

○ 2016-12-07 15:28:36
● 2026-03-16 04:10:02
● 2026-06-28 05:04:04

●A104.21.93.1552026-03-16 → 2026-06-28 · 6 obs

○ 2016-12-07 15:28:36
● 2026-03-16 04:10:02
● 2026-03-23 14:55:00
○ 2026-04-24 17:20:56
● 2026-04-25 13:02:44
● 2026-06-28 05:04:04

●A172.67.211.1832026-03-16 → 2026-06-28 · 6 obs

○ 2016-12-07 15:28:36
● 2026-03-16 04:10:02
● 2026-03-23 14:55:00
○ 2026-04-24 17:20:56
● 2026-04-25 13:02:44
● 2026-06-28 05:04:04

○A188.114.96.02026-04-24 → 2026-04-24 · 4 obs

○ 2026-03-23 14:55:00
● 2026-04-24 17:20:56
○ 2026-04-25 13:02:44
○ 2026-06-28 05:04:04

○A188.114.97.02026-04-24 → 2026-04-24 · 4 obs

○ 2026-03-23 14:55:00
● 2026-04-24 17:20:56
○ 2026-04-25 13:02:44
○ 2026-06-28 05:04:04

○A195.122.146.1872015-06-27 → 2016-12-07 · 4 obs

● 2015-06-27 10:34:58
● 2016-12-07 15:28:36
○ 2026-03-16 04:10:02
○ 2026-06-28 05:04:04

●A2606:4700:3030::6815:5d9b2026-06-28 → 2026-06-28 · 2 obs

○ 2026-06-06 09:39:00
● 2026-06-28 05:04:04

○A2606:4700:3031::ac43:d3b72026-03-16 → 2026-06-06 · 7 obs

○ 2016-12-07 15:28:36
● 2026-03-16 04:10:02
● 2026-03-23 14:55:00
○ 2026-04-24 17:20:56
● 2026-04-25 13:02:44
● 2026-06-06 09:39:00
○ 2026-06-28 05:04:04

○A2606:4700:3033::6815:5d9b2026-03-16 → 2026-06-06 · 7 obs

○ 2016-12-07 15:28:36
● 2026-03-16 04:10:02
● 2026-03-23 14:55:00
○ 2026-04-24 17:20:56
● 2026-04-25 13:02:44
● 2026-06-06 09:39:00
○ 2026-06-28 05:04:04

●A2606:4700:3033::ac43:d3b72026-06-28 → 2026-06-28 · 2 obs

○ 2026-06-06 09:39:00
● 2026-06-28 05:04:04

○A2a06:98c1:3120::2026-04-24 → 2026-04-24 · 4 obs

○ 2026-03-23 14:55:00
● 2026-04-24 17:20:56
○ 2026-04-25 13:02:44
○ 2026-06-28 05:04:04

○A2a06:98c1:3121::2026-04-24 → 2026-04-24 · 4 obs

○ 2026-03-23 14:55:00
● 2026-04-24 17:20:56
○ 2026-04-25 13:02:44
○ 2026-06-28 05:04:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	f-dns.pl, b-dns.pl, a-dns.pl, d-dns.pl...	-
linux-user.pl	iris.ns.cloudflare.com, chad.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.118

NS records: iris.ns.cloudflare.com, chad.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linux-user.pl (unsigned zone)

⏱️ Timing

Total: 398ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.211.183, 104.21.93.155`
AAAA	2	`2606:4700:3030::6815:5d9b, 2606:4700:3033::ac43:d3b7`
NS	2	`chad.ns.cloudflare.com, iris.ns.cloudflare.com`
MX	1	`mail.wip.pl (pri: 1)`
TXT	1	`v=spf1 mx ip4:5.226.66.167 ip4:5.226.66.`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chad.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

linux-user.pl has four IP addresses: 104.21.93.155, 172.67.211.183, 2606:4700:3030::6815:5d9b and 2606:4700:3033::ac43:d3b7.

montessori-mineo.com, auth-1oqinn3df1oadinn.boonus-dstributionn.workers.dev, vhzeb.info plus two other host names have IP numbers in common with linux-user.pl.

Name Servers

linux-user.pl uses two name servers for its delegation: chad.ns.cloudflare.com and iris.ns.cloudflare.com.

The name server configuration of linux-user.pl is shared with other domains, for instance dokumentacjakadrowa.pl, bni-newyork.com, hstreetmedia.com and two others.

linux-user.pl has at least partial name server overlap with other domains, such as 3fish.com.co, bdagmax.com, ubiquitouslanguage.com and two others.

It is common to see these name servers used together with name servers nina.ns.cloudflare.com and monroe.ns.cloudflare.com.

Hosts with 6 IP addresses each:

Hostname chad.ns.cloudflare.com directs to 108.162.193.82, 172.64.33.82 and 173.245.59.82 along with 3 other IP addresses.

Hostname iris.ns.cloudflare.com directs to 108.162.192.118, 172.64.32.118 and 173.245.58.118 along with 3 other IP addresses.

Mail Servers

linux-user.pl uses one mail server — mail.wip.pl.

The mail server setup of linux-user.pl matches that of other domains such as portalngo.pl, podatkidochodowe.pl, portalzp.pl and two others.

mail.wip.pl directs to just one IP number, 5.226.66.177.