a-core.pl - robtex.com

a-core.pl

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:4bcb🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:b556🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.75.203Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.181.86🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSguss.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bac🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguss.ns.cloudflare.com
A2803:f800:50::6ca2:c1ac🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRguss.ns.cloudflare.com
A2a06:98c1:50::ac40:21ac🇺🇸 Cloudflare2a06:98c1:50::/45
PTRguss.ns.cloudflare.com
A108.162.193.172🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguss.ns.cloudflare.com
A172.64.33.172🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguss.ns.cloudflare.com
A173.245.59.172🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguss.ns.cloudflare.com
NSzelda.ns.cloudflare.com
A2606:4700:50::adf5:3af2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzelda.ns.cloudflare.com
A2803:f800:50::6ca2:c0f2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRzelda.ns.cloudflare.com
A2a06:98c1:50::ac40:20f2🇺🇸 Cloudflare2a06:98c1:50::/45
PTRzelda.ns.cloudflare.com
A108.162.192.242🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzelda.ns.cloudflare.com
A172.64.32.242🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzelda.ns.cloudflare.com
A173.245.58.242🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzelda.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.75.203, 172.67.181.86
IPv6 hints2606:4700:3036::6815:4bcb, 2606:4700:3037::ac43:b556
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=159, name=cloudflare-ech.com
SOAguss.ns.cloudflare.comdns@cloudflare.com serial=2399039219

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=1778308431

Same first word

a-core.info
a-core.co.kr
a-core.cl
a-core.pl
a-core.nl
a-core.com
a-core.eu
a-core.at
a-core.net
a-core.co
a-core.ru

Similar names

a-reco.se
c-aero.com
a-cero.cl
a-cero.eu
era-co.com
a-cero.info
care-o.fr
core-a.com
core-a.org
core-a.net
o-care.at
co-era.com
re-oca.pl
e-arco.com
a-cero.es
eco-ra.it
oe-car.com
are-co.com
e-roca.com
caro-e.com
ac-ore.com
orca-e.ch
a-cero.com
e-cora.de
o-care.com
c-aero.fr
ace-ro.com
a-creo.com
a-creo.co.jp
co-rea.de
ra-eco.com

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSguss.ns.cloudflare.comzelda.ns.cloudflare.comns1.masternet.plns2.masternet.plns6.az.plns7.az.plns8.az.plMXmx.s5.masternet.plA104.21.75.203172.67.181.862606:4700:3036::6815:4bcb2606:4700:3037::ac43:b55646.242.157.20194.124.10.114
●NSguss.ns.cloudflare.com2026-04-25 → 2026-05-10 · 3 obs
○ 2017-08-15 15:25:54
● 2026-04-25 18:51:56
● 2026-05-10 01:18:06
○NSns1.masternet.pl2015-07-18 → 2016-04-11 · 4 obs
● 2015-07-18 19:05:00
● 2016-04-11 12:16:32
○ 2017-04-01 05:26:48
○ 2026-05-10 01:18:06
○NSns2.masternet.pl2015-07-18 → 2016-04-11 · 4 obs
● 2015-07-18 19:05:00
● 2016-04-11 12:16:32
○ 2017-04-01 05:26:48
○ 2026-05-10 01:18:06
○NSns6.az.pl2017-04-01 → 2017-08-15 · 5 obs
○ 2016-04-11 12:16:32
● 2017-04-01 05:26:48
● 2017-08-15 15:25:54
○ 2026-04-25 18:51:56
○ 2026-05-10 01:18:06
○NSns7.az.pl2017-04-01 → 2017-08-15 · 5 obs
○ 2016-04-11 12:16:32
● 2017-04-01 05:26:48
● 2017-08-15 15:25:54
○ 2026-04-25 18:51:56
○ 2026-05-10 01:18:06
○NSns8.az.pl2017-04-01 → 2017-08-15 · 5 obs
○ 2016-04-11 12:16:32
● 2017-04-01 05:26:48
● 2017-08-15 15:25:54
○ 2026-04-25 18:51:56
○ 2026-05-10 01:18:06
●NSzelda.ns.cloudflare.com2026-04-25 → 2026-05-10 · 3 obs
○ 2017-08-15 15:25:54
● 2026-04-25 18:51:56
● 2026-05-10 01:18:06
○MXmx.s5.masternet.pl2015-07-18 → 2016-04-11 · 4 obs
● 2015-07-18 19:05:00
● 2016-04-11 12:16:32
○ 2017-04-01 05:26:48
○ 2026-05-10 01:18:06
●A104.21.75.2032026-04-25 → 2026-05-10 · 3 obs
○ 2017-08-15 15:25:54
● 2026-04-25 18:51:56
● 2026-05-10 01:18:06
●A172.67.181.862026-04-25 → 2026-05-10 · 3 obs
○ 2017-08-15 15:25:54
● 2026-04-25 18:51:56
● 2026-05-10 01:18:06
●A2606:4700:3036::6815:4bcb2026-04-25 → 2026-05-10 · 3 obs
○ 2017-08-15 15:25:54
● 2026-04-25 18:51:56
● 2026-05-10 01:18:06
●A2606:4700:3037::ac43:b5562026-04-25 → 2026-05-10 · 3 obs
○ 2017-08-15 15:25:54
● 2026-04-25 18:51:56
● 2026-05-10 01:18:06
○A46.242.157.2012017-04-01 → 2017-08-15 · 5 obs
○ 2016-04-11 12:16:32
● 2017-04-01 05:26:48
● 2017-08-15 15:25:54
○ 2026-04-25 18:51:56
○ 2026-05-10 01:18:06
○A94.124.10.1142015-07-18 → 2016-04-11 · 4 obs
● 2015-07-18 19:05:00
● 2016-04-11 12:16:32
○ 2017-04-01 05:26:48
○ 2026-05-10 01:18:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
plh-dns.pl, b-dns.pl, a-dns.pl, d-dns.pl...-
a-core.plzelda.ns.cloudflare.com, guss.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.242

NS records: zelda.ns.cloudflare.com, guss.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for a-core.pl (unsigned zone)

⏱️ Timing

Total: 519ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.75.203, 172.67.181.86
AAAA22606:4700:3036::6815:4bcb, 2606:4700:3037::ac43:b556
NS2guss.ns.cloudflare.com, zelda.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1guss.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

a-core.pl resolves to four IP numbers: 2606:4700:3036::6815:4bcb, 2606:4700:3037::ac43:b556, 104.21.75.203 and 172.67.181.86.

Other host names such as pentab.se, candyburrito.ru, 800ks.com, sorma.ro and neubaut.com share IPs with a-core.pl.

Name Servers

a-core.pl is delegated to two name servers: guss.ns.cloudflare.com and zelda.ns.cloudflare.com.

a-core.pl shares the same name server setup as strongholdpeak.com, enobahisicin.vip, anvault.com, allpathstonull.com and trahey.net.

a-core.pl at least partially shares name servers with other domains, for instance adcphnompenh.com, holystone.gr, backpagemagazine.com, panen77star.com and georgemezzina.com.

these name servers are commonly used with monroe.ns.cloudflare.com, emerie.ns.cloudflare.com, fred.ns.cloudflare.com and arvind.ns.cloudflare.com.

Host names with six IP numbers:

guss.ns.cloudflare.com points to 2606:4700:58::adf5:3bac, 2803:f800:50::6ca2:c1ac, 2a06:98c1:50::ac40:21ac, 108.162.193.172, 172.64.33.172 and 173.245.59.172.

zelda.ns.cloudflare.com points to 2606:4700:50::adf5:3af2, 2803:f800:50::6ca2:c0f2, 2a06:98c1:50::ac40:20f2, 108.162.192.242, 172.64.32.242 and 173.245.58.242.