back.pl - dns.ninja

`back.pl`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:cd79^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:34f1^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.52.241^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.205.121^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lila.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aba^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lila.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ba^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lila.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ba^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lila.ns.cloudflare.com`
		A	108.162.192.186^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lila.ns.cloudflare.com`
		A	172.64.32.186^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lila.ns.cloudflare.com`
		A	173.245.58.186^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lila.ns.cloudflare.com`
NS	`scott.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`scott.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`scott.ns.cloudflare.com`
		A	108.162.193.230^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	172.64.33.230^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	173.245.59.230^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
MX	`s1.back.pl` ⭐
		A	194.59.140.61^{🇵🇱 AS-HITME194.59.140.0/24}
			PTR	`dedyk7.adamlachut.pl`
TXT	`v=spf1 a mx ip4:194.59.140.61 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.52.241, 172.67.205.121
		IPv6 hints	2606:4700:3032::ac43:cd79, 2606:4700:3035::6815:34f1
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=177, name=cloudflare-ech.com
SOA	`lila.ns.cloudflare.com`dns@cloudflare.com serial=2411460963

`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=1786429853

Subdomains

ns1.back.pl

s1.back.pl

ns2.back.pl

Same first word

back.cash

back.co.id

back.tw

back.es

back.lat

back.at

back.pub

back.eng.br

back.no

back.events

back.com.ar

back.ax

back.zone

back.schule

back.is

back.ws

back.ly

back.ink

back.to

back.ro

back.fr

back.com

back.by

back.cloudns.cx

back.eu

back.dk

back.bio

back.nu

back.mx

back.be

back.ch

back.solutions

back.cl

back.ai

back.im

back.biz

back.cf

back.show

back.pl

back.red

back.money

back.com.cn

back.name

back.in

back.id.vn

back.ist

back.tv

back.pro

back.business

back.lu

back.house

back.co.jp

back.ee

back.cz

back.pt

back.net

back.engineering

back.amsterdam

back.app

back.agency

back.cn

back.vn

back.center

back.co

back.com.mx

back.ru

back.nl

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bakc.org.uk

abck.ac.th

bakc.de

akbc.org.au

ckab.com

bkac.com

kbac.com

bcak.bc.ca

kcba.com

kbac.de

kacb.co.kr

acbk.be

cbak.com

bcka.org

kabc.net

abck.jp

cabk.org.uk

cabk.org

abck.pl

kcab.xyz

bakc.nl

ackb.com

kcab.be

cbak.de

cabk.com

kcab.se

ckba.co.kr

akcb.de

abck.org

cbka.fr

acbk.org

kbca.co.nz

kabc.or.kr

cbka.co.uk

bkac.cn

bakc.com

akbc.cn

kabc.nl

kcab.net

kcba.net.ua

acbk.de

kabc.kr

kbca.org

abck.com

kcba.org

kacb.org

cbak.net

abkc.ru

cakb.com

bakc.ru

akbc.org

cabk.net

kcab.org

kbca.us

cbka.net

ckba.cn

akcb.cz

abck.ru

bcka.bc.ca

akcb.pt

abkc.org

ckab.eu

kbac.co.kr

kabc.com

ckab.ru

kabc.kz

ckab.se

cabk.eu

abck.cn

kabc.org

abkc.net

akbc.net.vn

akcb.eu

kbac.org

DNS History

22 records (7 active, 15 former)

○NSalexis.ns.cloudflare.com2018-01-15 → 2018-01-15 · 4 obs

○ 2017-06-26 23:33:28
● 2018-01-15 16:04:32
○ 2026-02-19 00:47:10
○ 2026-08-11 08:56:54

●NSlila.ns.cloudflare.com2026-02-19 → 2026-08-11 · 3 obs

○ 2018-01-15 16:04:32
● 2026-02-19 00:47:10
● 2026-08-11 08:56:54

○NSns1.pro-linuxpl.com2017-06-12 → 2017-06-26 · 4 obs

● 2017-06-12 17:58:34
● 2017-06-26 23:33:28
○ 2018-01-15 16:04:32
○ 2026-08-11 08:56:54

○NSns2.pro-linuxpl.com2017-06-12 → 2017-06-26 · 4 obs

● 2017-06-12 17:58:34
● 2017-06-26 23:33:28
○ 2018-01-15 16:04:32
○ 2026-08-11 08:56:54

●NSscott.ns.cloudflare.com2026-02-19 → 2026-08-11 · 3 obs

○ 2018-01-15 16:04:32
● 2026-02-19 00:47:10
● 2026-08-11 08:56:54

○NStegan.ns.cloudflare.com2018-01-15 → 2018-01-15 · 4 obs

○ 2017-06-26 23:33:28
● 2018-01-15 16:04:32
○ 2026-02-19 00:47:10
○ 2026-08-11 08:56:54

○MXdc-e0bfb732e3f3.back.pl2018-01-15 → 2018-01-15 · 4 obs

○ 2017-06-26 23:33:28
● 2018-01-15 16:04:32
○ 2026-02-19 00:47:10
○ 2026-08-11 08:56:54

○MXmail.back.pl2017-06-12 → 2017-06-26 · 4 obs

● 2017-06-12 17:58:34
● 2017-06-26 23:33:28
○ 2018-01-15 16:04:32
○ 2026-08-11 08:56:54

●MXs1.back.pl2026-02-19 → 2026-08-11 · 3 obs

○ 2018-01-15 16:04:32
● 2026-02-19 00:47:10
● 2026-08-11 08:56:54

●A104.21.52.2412026-02-19 → 2026-08-11 · 3 obs

○ 2018-01-15 16:04:32
● 2026-02-19 00:47:10
● 2026-08-11 08:56:54

○A104.27.136.492018-01-15 → 2018-01-15 · 4 obs

○ 2017-06-26 23:33:28
● 2018-01-15 16:04:32
○ 2026-02-19 00:47:10
○ 2026-08-11 08:56:54

○A104.27.137.492018-01-15 → 2018-01-15 · 4 obs

○ 2017-06-26 23:33:28
● 2018-01-15 16:04:32
○ 2026-02-19 00:47:10
○ 2026-08-11 08:56:54

●A172.67.205.1212026-02-19 → 2026-08-11 · 3 obs

○ 2018-01-15 16:04:32
● 2026-02-19 00:47:10
● 2026-08-11 08:56:54

○A212.91.6.582015-07-17 → 2016-09-13 · 4 obs

● 2015-07-17 11:04:02
● 2016-09-13 22:13:06
○ 2017-06-12 17:58:34
○ 2026-08-11 08:56:54

○A212.91.7.332015-07-17 → 2016-09-13 · 4 obs

● 2015-07-17 11:04:02
● 2016-09-13 22:13:06
○ 2017-06-12 17:58:34
○ 2026-08-11 08:56:54

○A2400:cb00:2048:1::681b:88312018-01-15 → 2018-01-15 · 4 obs

○ 2017-06-26 23:33:28
● 2018-01-15 16:04:32
○ 2026-02-19 00:47:10
○ 2026-08-11 08:56:54

○A2400:cb00:2048:1::681b:89312018-01-15 → 2018-01-15 · 4 obs

○ 2017-06-26 23:33:28
● 2018-01-15 16:04:32
○ 2026-02-19 00:47:10
○ 2026-08-11 08:56:54

○A2606:4700:3032::6815:34f12026-02-19 → 2026-02-19 · 4 obs

○ 2018-01-15 16:04:32
● 2026-02-19 00:47:10
○ 2026-06-26 23:01:38
○ 2026-08-11 08:56:54

●A2606:4700:3032::ac43:cd792026-06-26 → 2026-08-11 · 3 obs

○ 2026-02-19 00:47:10
● 2026-06-26 23:01:38
● 2026-08-11 08:56:54

●A2606:4700:3035::6815:34f12026-06-26 → 2026-08-11 · 3 obs

○ 2026-02-19 00:47:10
● 2026-06-26 23:01:38
● 2026-08-11 08:56:54

○A2606:4700:3037::ac43:cd792026-02-19 → 2026-02-19 · 4 obs

○ 2018-01-15 16:04:32
● 2026-02-19 00:47:10
○ 2026-06-26 23:01:38
○ 2026-08-11 08:56:54

○A85.10.254.982017-06-12 → 2017-06-26 · 5 obs

○ 2016-09-13 22:13:06
● 2017-06-12 17:58:34
● 2017-06-26 23:33:28
○ 2018-01-15 16:04:32
○ 2026-08-11 08:56:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	b-dns.pl, a-dns.pl, j-dns.pl, h-dns.pl...	-
back.pl	lila.ns.cloudflare.com, scott.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.230

NS records: lila.ns.cloudflare.com, scott.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for back.pl (unsigned zone)

⏱️ Timing

Total: 587ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.205.121, 104.21.52.241`
AAAA	2	`2606:4700:3035::6815:34f1, 2606:4700:3032::ac43:cd79`
NS	2	`lila.ns.cloudflare.com, scott.ns.cloudflare.com`
MX	1	`s1.back.pl (pri: 50)`
TXT	1	`v=spf1 a mx ip4:194.59.140.61 ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`lila.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

ns1.back.pl, s1.back.pl and ns2.back.pl are all subdomains of back.pl.

IP Addresses

back.pl directs to four IP numbers, which are 104.21.52.241, 172.67.205.121, 2606:4700:3032::ac43:cd79 and 2606:4700:3035::6815:34f1.

Among the host names that share IP numbers with back.pl are kurs.if.ua, midistop.org, dl6.lingxiu98.com and two others.

Name Servers

Two name servers handle the delegation for back.pl: lila.ns.cloudflare.com and scott.ns.cloudflare.com.

back.pl has the same name server delegation as a number of other domains, such as fcpayrollsolutions.co.uk, pasarlaris.com, innossd.com and two more.

The name servers of back.pl overlap at least partially with those of other domains — among them mobitechbh.com, betland.cyou, qlash.gg and two more.

These name servers commonly appear in combination with the name servers sullivan.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

lila.ns.cloudflare.com resolves to 108.162.192.186, 172.64.32.186 and 173.245.58.186 among others, with 3 other IP addresses in total.

scott.ns.cloudflare.com resolves to 108.162.193.230, 172.64.33.230 and 173.245.59.230 among others, with 3 other IP addresses in total.

Mail Servers

back.pl routes its mail through a single mail server, s1.back.pl.

s1.back.pl carries a single IP number, which is 194.59.140.61.