`karszer.pl`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:88d2^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:4ec6^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.78.198^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.136.210^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gwen.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aa0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gwen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gwen.ns.cloudflare.com`
		A	108.162.192.160^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.ns.cloudflare.com`
		A	172.64.32.160^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.ns.cloudflare.com`
		A	173.245.58.160^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.ns.cloudflare.com`
NS	`titan.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c5d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`titan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c35d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`titan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:235d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`titan.ns.cloudflare.com`
		A	108.162.195.93^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`titan.ns.cloudflare.com`
		A	162.159.44.93^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`titan.ns.cloudflare.com`
		A	172.64.35.93^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`titan.ns.cloudflare.com`
MX	`_dc-mx.6164646217df.karszer.pl` ⭐
		A	185.38.248.242^{🇵🇱 SPRINT-SDC185.38.248.0/22 Sprint S.A. Sprint Data Center Olsztyn, Poland}
			PTR	`feniks-meble.pl`
TXT	`v=spf1 a mx ip4:185.38.248.185 ip4:185.38.248.241 ip4:188.68.246.100 ip4:188....`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.78.198, 172.67.136.210
		IPv6 hints	2606:4700:3032::ac43:88d2, 2606:4700:3037::6815:4ec6
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=79, name=cloudflare-ech.com
SOA	`gwen.ns.cloudflare.com`dns@cloudflare.com serial=2407771806

`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=1783837967

Subdomains

mail.karszer.pl

Same first word

karszer.pl

DNS History

11 records (7 active, 4 former)

●NSgwen.ns.cloudflare.com2026-07-11 → 2026-07-12 · 3 obs

○ 2020-01-12 17:23:44
● 2026-07-11 12:37:30
● 2026-07-12 18:33:46

○NSns1.webpc.com.pl2015-06-04 → 2020-01-12 · 4 obs

● 2015-06-04 13:10:52
● 2020-01-12 17:23:44
○ 2026-07-11 12:37:30
○ 2026-07-12 18:33:46

○NSns2.webpc.com.pl2015-06-04 → 2020-01-12 · 4 obs

● 2015-06-04 13:10:52
● 2020-01-12 17:23:44
○ 2026-07-11 12:37:30
○ 2026-07-12 18:33:46

●NStitan.ns.cloudflare.com2026-07-11 → 2026-07-12 · 3 obs

○ 2020-01-12 17:23:44
● 2026-07-11 12:37:30
● 2026-07-12 18:33:46

●MX_dc-mx.6164646217df.karszer.pl2026-07-11 → 2026-07-12 · 3 obs

○ 2020-01-12 17:23:44
● 2026-07-11 12:37:30
● 2026-07-12 18:33:46

○MXmail.karszer.pl2015-06-04 → 2020-01-12 · 4 obs

● 2015-06-04 13:10:52
● 2020-01-12 17:23:44
○ 2026-07-11 12:37:30
○ 2026-07-12 18:33:46

●A104.21.78.1982026-07-11 → 2026-07-12 · 3 obs

○ 2020-01-12 17:23:44
● 2026-07-11 12:37:30
● 2026-07-12 18:33:46

●A172.67.136.2102026-07-11 → 2026-07-12 · 3 obs

○ 2020-01-12 17:23:44
● 2026-07-11 12:37:30
● 2026-07-12 18:33:46

○A185.38.248.2412015-06-04 → 2020-01-12 · 4 obs

● 2015-06-04 13:10:52
● 2020-01-12 17:23:44
○ 2026-07-11 12:37:30
○ 2026-07-12 18:33:46

●A2606:4700:3032::ac43:88d22026-07-11 → 2026-07-12 · 3 obs

○ 2020-01-12 17:23:44
● 2026-07-11 12:37:30
● 2026-07-12 18:33:46

●A2606:4700:3037::6815:4ec62026-07-11 → 2026-07-12 · 3 obs

○ 2020-01-12 17:23:44
● 2026-07-11 12:37:30
● 2026-07-12 18:33:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...	-
karszer.pl	gwen.ns.cloudflare.com, titan.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.93

NS records: gwen.ns.cloudflare.com, titan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for karszer.pl (unsigned zone)

⏱️ Timing

Total: 1046ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.78.198, 172.67.136.210`
AAAA	2	`2606:4700:3032::ac43:88d2, 2606:4700:3037::6815:4ec6`
NS	2	`gwen.ns.cloudflare.com, titan.ns.cloudflare.com`
MX	1	`_dc-mx.6164646217df.karszer.pl (pri: 10)`
TXT	1	`v=spf1 a mx ip4:185.38.248.185 ip4:185.3`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gwen.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

mail.karszer.pl is a subdomain of karszer.pl.

IP Addresses

karszer.pl points to the four IP addresses 104.21.78.198, 172.67.136.210, 2606:4700:3032::ac43:88d2 and 2606:4700:3037::6815:4ec6.

Among the host names that share IP numbers with karszer.pl are amubawu.top, mokshayogandg.com, teroonn.com and two others.

Name Servers

karszer.pl uses two name servers for its delegation: gwen.ns.cloudflare.com and titan.ns.cloudflare.com.

karszer.pl has the same name server delegation as a number of other domains, such as fx2.org, perverserape.com, thetechnologycafe.com and two more.

The name servers of karszer.pl overlap at least partially with those of other domains — among them redyor.com, apis3.com.br, mmsbee42.cc and two more.

These name servers commonly appear alongside the name servers theo.ns.cloudflare.com and treasure.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname gwen.ns.cloudflare.com directs to 108.162.192.160, 172.64.32.160 and 173.245.58.160 along with 3 other IP addresses.

Hostname titan.ns.cloudflare.com directs to 108.162.195.93, 162.159.44.93 and 172.64.35.93 along with 3 other IP addresses.

Mail Servers

karszer.pl routes its mail through a single mail server, _dc-mx.6164646217df.karszer.pl.

_dc-mx.6164646217df.karszer.pl directs to just one IP number, 185.38.248.242.

karszer.pl - robtex.com

karszer.pl

pl

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`karszer.pl`

`pl`