firstclass.com.pl - dns.ninja

`firstclass.com.pl`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:33b9^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:b821^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.51.185^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.184.33^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`eric.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b70^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c170^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`eric.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2170^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`eric.ns.cloudflare.com`
		A	108.162.193.112^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
		A	172.64.33.112^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
		A	173.245.59.112^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
NS	`teagan.ns.cloudflare.com`
		A	2606:4700:50::a29f:26ae^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`teagan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ae^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`teagan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ae^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`teagan.ns.cloudflare.com`
		A	108.162.194.174^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`teagan.ns.cloudflare.com`
		A	162.159.38.174^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`teagan.ns.cloudflare.com`
		A	172.64.34.174^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`teagan.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.51.185, 172.67.184.33
		IPv6 hints	2606:4700:3035::6815:33b9, 2606:4700:3035::ac43:b821
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=207, name=cloudflare-ech.com
SOA	`eric.ns.cloudflare.com`dns@cloudflare.com serial=2402138460

`com.pl`

	DNSSEC	⚠️ Not signed
	NS	`a-dns.pl` ⭐ ⚠️ Not in parent delegation
	NS	`b-dns.pl` ⚠️ Not in parent delegation
	NS	`d-dns.pl` ⚠️ Not in parent delegation
	NS	`f-dns.pl` ⚠️ Not in parent delegation
	NS	`h-dns.pl` ⚠️ Not in parent delegation
	NS	`j-dns.pl` ⚠️ Not in parent delegation
	SOA	`a-dns.pl`dnsmaster@nask.pl serial=1780468380

rank #568015 globally
rank #4387 in the tld
WOT: UNKNOWN (50/100)

Subdomains

www.firstclass.com.pl

Same first word

firstclass.hu

firstclass.cn

firstclass.fitness

firstclass.co.th

firstclass.fi

firstclass.com.sa

firstclass.solutions

firstclass.sa

firstclass.ru

firstclass.com.br

firstclass.taxi

firstclass.me

firstclass.cc

firstclass.edu.hk

firstclass.fr

firstclass.sg

firstclass.ne.jp

firstclass.capital

firstclass.com.mx

firstclass.se

firstclass.rentals

firstclass.com.pl

firstclass.tel

firstclass.lt

firstclass.is

firstclass.in.th

firstclass.co.kr

firstclass.expert

firstclass.org

firstclass.at

firstclass.com.tr

firstclass.fo

firstclass.info

firstclass.it

firstclass.flights

firstclass.ws

firstclass.eu

firstclass.nl

firstclass.domains

firstclass.com.au

firstclass.mx

firstclass.sc

firstclass.no

firstclass.pl

firstclass.com

firstclass.com.cn

firstclass.as

firstclass.estate

firstclass.de

firstclass.agency

firstclass.net

firstclass.cz

firstclass.sk

firstclass.international

firstclass.education

firstclass.sh.cn

firstclass.com.hk

firstclass.cl

firstclass.ch

Similar names

calstrsifs.com

classfirst.com

firtsclass.com

classfirst.in

DNS History

18 records (6 active, 12 former)

○NSdns.mni.pl2015-08-11 → 2016-06-01 · 4 obs

● 2015-08-11 18:50:26
● 2016-06-01 19:06:58
○ 2017-07-26 11:10:28
○ 2026-06-04 01:12:30

○NSdns103.ovh.net2017-07-26 → 2017-07-26 · 4 obs

○ 2016-06-01 19:06:58
● 2017-07-26 11:10:28
○ 2026-02-15 11:56:50
○ 2026-06-04 01:12:30

○NSdns2.mni.pl2015-08-11 → 2016-06-01 · 4 obs

● 2015-08-11 18:50:26
● 2016-06-01 19:06:58
○ 2017-07-26 11:10:28
○ 2026-06-04 01:12:30

●NSeric.ns.cloudflare.com2026-02-15 → 2026-06-04 · 3 obs

○ 2017-07-26 11:10:28
● 2026-02-15 11:56:50
● 2026-06-04 01:12:30

○NSns103.ovh.net2017-07-26 → 2017-07-26 · 4 obs

○ 2016-06-01 19:06:58
● 2017-07-26 11:10:28
○ 2026-02-15 11:56:50
○ 2026-06-04 01:12:30

●NSteagan.ns.cloudflare.com2026-02-15 → 2026-06-04 · 3 obs

○ 2017-07-26 11:10:28
● 2026-02-15 11:56:50
● 2026-06-04 01:12:30

○MX_dc-mx.4027458745de.firstclass.com.pl2026-02-15 → 2026-02-16 · 5 obs

○ 2017-07-26 11:10:28
● 2026-02-15 11:56:50
● 2026-02-16 01:56:04
○ 2026-02-24 23:20:14
○ 2026-06-04 01:12:30

○MXmailgate.mni.pl2015-08-11 → 2016-06-01 · 4 obs

● 2015-08-11 18:50:26
● 2016-06-01 19:06:58
○ 2017-07-26 11:10:28
○ 2026-06-04 01:12:30

○MXmailgate2.mni.pl2015-08-11 → 2016-06-01 · 4 obs

● 2015-08-11 18:50:26
● 2016-06-01 19:06:58
○ 2017-07-26 11:10:28
○ 2026-06-04 01:12:30

○MXv2003.creative-it.pl2017-07-26 → 2017-07-26 · 4 obs

○ 2016-06-01 19:06:58
● 2017-07-26 11:10:28
○ 2026-02-15 11:56:50
○ 2026-06-04 01:12:30

●A104.21.51.1852026-02-15 → 2026-06-04 · 6 obs

○ 2017-07-26 11:10:28
● 2026-02-15 11:56:50
● 2026-02-16 01:56:04
○ 2026-02-24 23:20:14
● 2026-03-25 05:18:44
● 2026-06-04 01:12:30

○A172.64.80.12026-02-24 → 2026-02-24 · 4 obs

○ 2026-02-16 01:56:04
● 2026-02-24 23:20:14
○ 2026-03-25 05:18:44
○ 2026-06-04 01:12:30

●A172.67.184.332026-02-15 → 2026-06-04 · 6 obs

○ 2017-07-26 11:10:28
● 2026-02-15 11:56:50
● 2026-02-16 01:56:04
○ 2026-02-24 23:20:14
● 2026-03-25 05:18:44
● 2026-06-04 01:12:30

○A193.29.48.1252015-08-11 → 2015-12-13 · 4 obs

● 2015-08-11 18:50:26
● 2015-12-13 12:33:08
○ 2016-03-14 16:09:32
○ 2026-06-04 01:12:30

○A194.150.185.1472016-03-14 → 2016-06-01 · 5 obs

○ 2015-12-13 12:33:08
● 2016-03-14 16:09:32
● 2016-06-01 19:06:58
○ 2017-07-26 11:10:28
○ 2026-06-04 01:12:30

●A2606:4700:3035::6815:33b92026-02-15 → 2026-06-04 · 3 obs

○ 2017-07-26 11:10:28
● 2026-02-15 11:56:50
● 2026-06-04 01:12:30

●A2606:4700:3035::ac43:b8212026-02-15 → 2026-06-04 · 3 obs

○ 2017-07-26 11:10:28
● 2026-02-15 11:56:50
● 2026-06-04 01:12:30

○A91.196.214.1362017-07-26 → 2017-07-26 · 4 obs

○ 2016-06-01 19:06:58
● 2017-07-26 11:10:28
○ 2026-02-15 11:56:50
○ 2026-06-04 01:12:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...	-
firstclass.com.pl	teagan.ns.cloudflare.com, eric.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.112

NS records: teagan.ns.cloudflare.com, eric.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstclass.com.pl (unsigned zone)

⏱️ Timing

Total: 2195ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.184.33, 104.21.51.185`
AAAA	2	`2606:4700:3035::ac43:b821, 2606:4700:3035::6815:33b9`
NS	2	`eric.ns.cloudflare.com, teagan.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`eric.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

firstclass.com.pl is a parent domain of www.firstclass.com.pl.

IP Addresses

firstclass.com.pl resolves to 4 IP numbers: 104.21.51.185, 172.67.184.33, 2606:4700:3035::6815:33b9 and 2606:4700:3035::ac43:b821.

Additional host names — member.jp565.buzz, mediacheck.co.il, fusionstructmodule.click and two others — share IP numbers with firstclass.com.pl.

Name Servers

The NS records for firstclass.com.pl delegate to eric.ns.cloudflare.com and teagan.ns.cloudflare.com.

firstclass.com.pl shares its name server setup with other domains, including livescore.com.pl, ltgauto.com, scratchykiwi.com and two others.

firstclass.com.pl shares at least some of its name servers with other domains, including aminbaik.com, appgravity.com, srvcare.ru and two others.

These name servers are frequently paired with the name servers amos.ns.cloudflare.com, pam.ns.cloudflare.com and carl.ns.cloudflare.com.

Host names with 6 IP numbers:

eric.ns.cloudflare.com points to 108.162.193.112, 172.64.33.112, 173.245.59.112 and three other IP addresses.

teagan.ns.cloudflare.com points to 108.162.194.174, 162.159.38.174, 172.64.34.174 and three other IP addresses.