masterstudies.pl - dns.ninja

masterstudies.pl

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:99b1🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:5a45🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.90.69Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.153.177🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdana.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a69🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdana.ns.cloudflare.com
A2803:f800:50::6ca2:c069🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdana.ns.cloudflare.com
A2a06:98c1:50::ac40:2069🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdana.ns.cloudflare.com
A108.162.192.105🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdana.ns.cloudflare.com
A172.64.32.105🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdana.ns.cloudflare.com
A173.245.58.105🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdana.ns.cloudflare.com
NSjay.ns.cloudflare.com
A2606:4700:58::adf5:3b7b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjay.ns.cloudflare.com
A2803:f800:50::6ca2:c17b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjay.ns.cloudflare.com
A2a06:98c1:50::ac40:217b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjay.ns.cloudflare.com
A108.162.193.123🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjay.ns.cloudflare.com
A172.64.33.123🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjay.ns.cloudflare.com
A173.245.59.123🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjay.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.90.69, 172.67.153.177
IPv6 hints2606:4700:3030::ac43:99b1, 2606:4700:3033::6815:5a45
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=125, name=cloudflare-ech.com
SOAdana.ns.cloudflare.comdns@cloudflare.com serial=2410518742

pl

DNSSEC🔒 Signed (DS record present)
NSa-dns.pl ⭐
NSb-dns.pl
NSd-dns.pl
NSf-dns.pl
NSh-dns.pl
NSj-dns.pl
TXTccTLD of Poland
SOAa-dns.pldnsmaster@nask.pl serial=1785565939

Subdomains

www.masterstudies.pl

Same first word

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masterstudies.ru
masterstudies.ng
masterstudies.net
masterstudies.co.za
masterstudies.cz
masterstudies.no
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masterstudies.pt
masterstudies.ca
masterstudies.gr
masterstudies.sk
masterstudies.co.il
masterstudies.com.ar
masterstudies.com.my
masterstudies.lt

DNS History

17 records (6 active, 11 former)

20162017201820192020202120222023202420252026NSdana.ns.cloudflare.comjay.ns.cloudflare.comns1.eurodns.comns2.eurodns.comns3.eurodns.comns4.eurodns.comA104.21.90.69172.67.153.1772606:4700:3030::ac43:99b12606:4700:3033::6815:5a45188.114.96.0188.114.97.0192.165.113.22606:4700:3032::6815:5a452606:4700:3036::ac43:99b12a06:98c1:3120::2a06:98c1:3121::
●NSdana.ns.cloudflare.com2026-02-22 → 2026-08-01 · 3 obs
○ 2017-05-22 15:09:28
● 2026-02-22 10:40:00
● 2026-08-01 16:06:02
●NSjay.ns.cloudflare.com2026-02-22 → 2026-08-01 · 3 obs
○ 2017-05-22 15:09:28
● 2026-02-22 10:40:00
● 2026-08-01 16:06:02
○NSns1.eurodns.com2015-07-11 → 2017-05-22 · 4 obs
● 2015-07-11 03:11:36
● 2017-05-22 15:09:28
○ 2026-02-22 10:40:00
○ 2026-08-01 16:06:02
○NSns2.eurodns.com2015-07-11 → 2017-05-22 · 4 obs
● 2015-07-11 03:11:36
● 2017-05-22 15:09:28
○ 2026-02-22 10:40:00
○ 2026-08-01 16:06:02
○NSns3.eurodns.com2015-07-11 → 2017-05-22 · 4 obs
● 2015-07-11 03:11:36
● 2017-05-22 15:09:28
○ 2026-02-22 10:40:00
○ 2026-08-01 16:06:02
○NSns4.eurodns.com2015-07-11 → 2017-05-22 · 4 obs
● 2015-07-11 03:11:36
● 2017-05-22 15:09:28
○ 2026-02-22 10:40:00
○ 2026-08-01 16:06:02
●A104.21.90.692026-02-22 → 2026-08-01 · 5 obs
○ 2017-05-22 15:09:28
● 2026-02-22 10:40:00
● 2026-05-28 05:39:46
○ 2026-07-09 11:13:10
● 2026-08-01 16:06:02
●A172.67.153.1772026-02-22 → 2026-08-01 · 5 obs
○ 2017-05-22 15:09:28
● 2026-02-22 10:40:00
● 2026-05-28 05:39:46
○ 2026-07-09 11:13:10
● 2026-08-01 16:06:02
○A188.114.96.02026-07-09 → 2026-07-09 · 3 obs
○ 2026-05-28 05:39:46
● 2026-07-09 11:13:10
○ 2026-08-01 16:06:02
○A188.114.97.02026-07-09 → 2026-07-09 · 3 obs
○ 2026-05-28 05:39:46
● 2026-07-09 11:13:10
○ 2026-08-01 16:06:02
○A192.165.113.22015-07-11 → 2017-05-22 · 4 obs
● 2015-07-11 03:11:36
● 2017-05-22 15:09:28
○ 2026-02-22 10:40:00
○ 2026-08-01 16:06:02
●A2606:4700:3030::ac43:99b12026-08-01 → 2026-08-01 · 2 obs
○ 2026-07-09 11:13:10
● 2026-08-01 16:06:02
○A2606:4700:3032::6815:5a452026-02-22 → 2026-05-28 · 5 obs
○ 2017-05-22 15:09:28
● 2026-02-22 10:40:00
● 2026-05-28 05:39:46
○ 2026-07-09 11:13:10
○ 2026-08-01 16:06:02
●A2606:4700:3033::6815:5a452026-08-01 → 2026-08-01 · 2 obs
○ 2026-07-09 11:13:10
● 2026-08-01 16:06:02
○A2606:4700:3036::ac43:99b12026-02-22 → 2026-05-28 · 5 obs
○ 2017-05-22 15:09:28
● 2026-02-22 10:40:00
● 2026-05-28 05:39:46
○ 2026-07-09 11:13:10
○ 2026-08-01 16:06:02
○A2a06:98c1:3120::2026-07-09 → 2026-07-09 · 3 obs
○ 2026-05-28 05:39:46
● 2026-07-09 11:13:10
○ 2026-08-01 16:06:02
○A2a06:98c1:3121::2026-07-09 → 2026-07-09 · 3 obs
○ 2026-05-28 05:39:46
● 2026-07-09 11:13:10
○ 2026-08-01 16:06:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
pla-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...-
masterstudies.pldana.ns.cloudflare.com, jay.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.105

NS records: dana.ns.cloudflare.com, jay.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for masterstudies.pl (unsigned zone)

⏱️ Timing

Total: 708ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.90.69, 172.67.153.177
AAAA22606:4700:3033::6815:5a45, 2606:4700:3030::ac43:99b1
NS2dana.ns.cloudflare.com, jay.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dana.ns.cloudflare.com dns.cloudflare.co

Analysis

Hierarchy

www.masterstudies.pl is a subdomain of masterstudies.pl.

IP Addresses

masterstudies.pl directs to four IP numbers, which are 104.21.90.69, 172.67.153.177, 2606:4700:3030::ac43:99b1 and 2606:4700:3033::6815:5a45.

Two other host names, along with uk.watchallchannels.com, worldmastersgames2017.co.nz and l4brands.com, also share IP numbers with masterstudies.pl.

Name Servers

The NS records for masterstudies.pl delegate to dana.ns.cloudflare.com and jay.ns.cloudflare.com.

masterstudies.pl shares its NS records with other domains, for example masterstudies.co, attorneyusalawyer.com, studenttests.no and two others.

The name servers of masterstudies.pl overlap at least partially with those of other domains — among them abeuac.workers.dev, abbott-holliday.co.uk, adtattoo.ro and two more.

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

DNS names with 6 IP addresses:

dana.ns.cloudflare.com maps to 108.162.192.105, 172.64.32.105, 173.245.58.105 and 3 additional IP addresses.

jay.ns.cloudflare.com maps to 108.162.193.123, 172.64.33.123, 173.245.59.123 and 3 additional IP addresses.