`undersun.pl`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:b3e4^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:2844^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.40.68^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.179.228^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chelsea.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26b1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chelsea.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2b1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chelsea.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22b1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chelsea.ns.cloudflare.com`
		A	108.162.194.177^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.38.177^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.34.177^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`luke.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`luke.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`luke.ns.cloudflare.com`
		A	108.162.193.200^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
		A	172.64.33.200^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
		A	173.245.59.200^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
MX	`mx-1.dpoczta.pl` ⭐
		A	109.95.154.150^{🇵🇱 DHOSTING-AS109.95.152.0/21 dhosting.pl Sp. z o.o. Network Warszawa, Poland}
			PTR	`mx-1.dpoczta.pl`
MX	`mx-2.dpoczta.pl` ⭐
		A	109.95.154.151^{🇵🇱 DHOSTING-AS109.95.152.0/21 dhosting.pl Sp. z o.o. Network Warszawa, Poland}
			PTR	`mx-2.dpoczta.pl`
TXT	`openai-domain-verification=dv-21o7cx4AXYumyWgFTH07Bmnd`
TXT	`v=spf1 include:_mail.dhosting.pl -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.40.68, 172.67.179.228
		IPv6 hints	2606:4700:3034::ac43:b3e4, 2606:4700:3036::6815:2844
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=145, name=cloudflare-ech.com
SOA	`chelsea.ns.cloudflare.com`dns@cloudflare.com serial=2405882134

`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=1783146677

Same first word

undersun.jp

undersun.org

undersun.pl

DNS History

8 records (8 active, 0 former)

●NSchelsea.ns.cloudflare.com2026-06-22 → 2026-07-04 · 2 obs

● 2026-06-22 23:15:10
● 2026-07-04 12:37:26

●NSluke.ns.cloudflare.com2026-06-22 → 2026-07-04 · 2 obs

● 2026-06-22 23:15:10
● 2026-07-04 12:37:26

●MXmx-1.dpoczta.pl2026-06-22 → 2026-07-04 · 2 obs

● 2026-06-22 23:15:10
● 2026-07-04 12:37:26

●MXmx-2.dpoczta.pl2026-06-22 → 2026-07-04 · 2 obs

● 2026-06-22 23:15:10
● 2026-07-04 12:37:26

●A104.21.40.682026-06-22 → 2026-07-04 · 2 obs

● 2026-06-22 23:15:10
● 2026-07-04 12:37:26

●A172.67.179.2282026-06-22 → 2026-07-04 · 2 obs

● 2026-06-22 23:15:10
● 2026-07-04 12:37:26

●A2606:4700:3034::ac43:b3e42026-06-22 → 2026-07-04 · 2 obs

● 2026-06-22 23:15:10
● 2026-07-04 12:37:26

●A2606:4700:3036::6815:28442026-06-22 → 2026-07-04 · 2 obs

● 2026-06-22 23:15:10
● 2026-07-04 12:37:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	b-dns.pl, f-dns.pl, j-dns.pl, h-dns.pl...	-
undersun.pl	chelsea.ns.cloudflare.com, luke.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.177

NS records: chelsea.ns.cloudflare.com, luke.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for undersun.pl (unsigned zone)

⏱️ Timing

Total: 1817ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.179.228, 104.21.40.68`
AAAA	2	`2606:4700:3036::6815:2844, 2606:4700:3034::ac43:b3e4`
NS	2	`chelsea.ns.cloudflare.com, luke.ns.cloudflare.com`
MX	2	`mx-1.dpoczta.pl (pri: 10), mx-2.dpoczta.pl (pri: 10)`
TXT	2	`openai-domain-verification=dv-21o7cx4AXY, v=spf1 include:_mail.dhosting.pl -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chelsea.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

undersun.pl directs to four IP numbers, which are 104.21.40.68, 172.67.179.228, 2606:4700:3034::ac43:b3e4 and 2606:4700:3036::6815:2844.

Among the host names that share IP numbers with undersun.pl are footcareguru.com.cdn.cloudflare.net, fazaanational.com, pesiec.com and two others.

Name Servers

Two name servers handle the delegation for undersun.pl: chelsea.ns.cloudflare.com and luke.ns.cloudflare.com.

undersun.pl has the same NS records as spec.co.th, maresaonline.com.mx, jerkofftocelebs.com and sarmat-tr.com.

At least some of undersun.pl's name servers are shared with other domains, for example ultrarc.com, 1u2u3u.com, ace2024.top and two more.

It is common for these name servers to be used in conjunction with the name servers dale.ns.cloudflare.com, kate.ns.cloudflare.com and dom.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

chelsea.ns.cloudflare.com resolves to 108.162.194.177, 162.159.38.177 and 172.64.34.177 among others, with 3 other IP addresses in total.

luke.ns.cloudflare.com resolves to 108.162.193.200, 172.64.33.200 and 173.245.59.200 among others, with 3 other IP addresses in total.

Mail Servers

The MX records for undersun.pl point to two mail servers: mx-1.dpoczta.pl and mx-2.dpoczta.pl.

undersun.pl has the same mail server arrangement as a number of other domains, for example goldmeble.com.pl, mikrotikon.pl, wamat.de and two more.

Each of mx-1.dpoczta.pl and mx-2.dpoczta.pl has one IP address: mx-1.dpoczta.pl uses 109.95.154.150 and mx-2.dpoczta.pl uses 109.95.154.151.

undersun.pl - robtex.com

undersun.pl

pl

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`undersun.pl`

`pl`