cenum.pl - dns.ninja

cenum.pl

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:3180🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:a32a🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.49.128Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.163.42🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSken.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b7f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRken.ns.cloudflare.com
A2803:f800:50::6ca2:c17f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRken.ns.cloudflare.com
A2a06:98c1:50::ac40:217f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRken.ns.cloudflare.com
A108.162.193.127🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRken.ns.cloudflare.com
A172.64.33.127🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRken.ns.cloudflare.com
A173.245.59.127🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRken.ns.cloudflare.com
NSvirginia.ns.cloudflare.com
A2606:4700:50::a29f:2625🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvirginia.ns.cloudflare.com
A2803:f800:50::6ca2:c225🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRvirginia.ns.cloudflare.com
A2a06:98c1:50::ac40:2225🇺🇸 Cloudflare2a06:98c1:50::/45
PTRvirginia.ns.cloudflare.com
A108.162.194.37🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvirginia.ns.cloudflare.com
A162.159.38.37Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvirginia.ns.cloudflare.com
A172.64.34.37🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvirginia.ns.cloudflare.com
MXmail.cenum.pl ⭐
TXTv=spf1 include:mx.ovh.com mx a ip4:178.63.96.10 include:4px.pl ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.49.128, 172.67.163.42
IPv6 hints2606:4700:3032::6815:3180, 2606:4700:3036::ac43:a32a
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=76, name=cloudflare-ech.com
SOAken.ns.cloudflare.comdns@cloudflare.com serial=2403766926

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=1781418798

Subdomains

mail.cenum.pl
www.cenum.pl

Same first word

cenum.com
cenum.pl

Similar names

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ucenm.net
emucn.com
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enumc.com
ucmen.ru
cumen.cn
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cmenu.com
mucen.cn
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cmenu.ru
cemun.com

DNS History

11 records (7 active, 4 former)

20162017201820192020202120222023202420252026NSken.ns.cloudflare.comvirginia.ns.cloudflare.comdns103.ovh.netns103.ovh.netMXmail.cenum.plA104.21.49.128172.67.163.422606:4700:3032::6815:31802606:4700:3036::ac43:a32a178.63.96.1037.27.63.179
○NSdns103.ovh.net2015-06-29 → 2026-04-09 · 4 obs
● 2015-06-29 09:05:50
● 2026-04-09 12:14:10
○ 2026-06-14 22:05:26
○ 2026-06-14 22:05:28
●NSken.ns.cloudflare.com2026-06-14 → 2026-06-14 · 3 obs
○ 2026-04-09 12:14:10
● 2026-06-14 22:05:26
● 2026-06-14 22:05:28
○NSns103.ovh.net2015-06-29 → 2026-04-09 · 4 obs
● 2015-06-29 09:05:50
● 2026-04-09 12:14:10
○ 2026-06-14 22:05:26
○ 2026-06-14 22:05:28
●NSvirginia.ns.cloudflare.com2026-06-14 → 2026-06-14 · 3 obs
○ 2026-04-09 12:14:10
● 2026-06-14 22:05:26
● 2026-06-14 22:05:28
●MXmail.cenum.pl2015-06-29 → 2026-06-14 · 2 obs
● 2015-06-29 09:05:50
● 2026-06-14 22:05:28
●A104.21.49.1282026-06-14 → 2026-06-14 · 3 obs
○ 2026-04-09 12:14:10
● 2026-06-14 22:05:26
● 2026-06-14 22:05:28
●A172.67.163.422026-06-14 → 2026-06-14 · 3 obs
○ 2026-04-09 12:14:10
● 2026-06-14 22:05:26
● 2026-06-14 22:05:28
○A178.63.96.102015-06-29 → 2016-06-19 · 4 obs
● 2015-06-29 09:05:50
● 2016-06-19 13:25:26
○ 2026-04-02 17:47:44
○ 2026-06-14 22:05:28
●A2606:4700:3032::6815:31802026-06-14 → 2026-06-14 · 3 obs
○ 2026-04-09 12:14:10
● 2026-06-14 22:05:26
● 2026-06-14 22:05:28
●A2606:4700:3036::ac43:a32a2026-06-14 → 2026-06-14 · 3 obs
○ 2026-04-09 12:14:10
● 2026-06-14 22:05:26
● 2026-06-14 22:05:28
○A37.27.63.1792026-04-02 → 2026-04-09 · 5 obs
○ 2016-06-19 13:25:26
● 2026-04-02 17:47:44
● 2026-04-09 12:14:10
○ 2026-06-14 22:05:26
○ 2026-06-14 22:05:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
plh-dns.pl, b-dns.pl, d-dns.pl, a-dns.pl...-
cenum.plvirginia.ns.cloudflare.com, ken.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.127

NS records: virginia.ns.cloudflare.com, ken.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cenum.pl (unsigned zone)

⏱️ Timing

Total: 1326ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.163.42, 104.21.49.128
AAAA22606:4700:3036::ac43:a32a, 2606:4700:3032::6815:3180
NS2ken.ns.cloudflare.com, virginia.ns.cloudflare.com
MX1mail.cenum.pl (pri: 10)
TXT1v=spf1 include:mx.ovh.com mx a ip4:178.6
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1ken.ns.cloudflare.com dns.cloudflare.com

Analysis

Hierarchy

The parent domain of mail.cenum.pl and www.cenum.pl is cenum.pl.

IP Addresses

cenum.pl directs to four IP numbers, which are 104.21.49.128, 172.67.163.42, 2606:4700:3032::6815:3180 and 2606:4700:3036::ac43:a32a.

Among the host names that share IP numbers with cenum.pl are tructiepbongda.ws, proretail.org, webmilky.com and two others.

Name Servers

Two name servers handle the delegation for cenum.pl: ken.ns.cloudflare.com and virginia.ns.cloudflare.com.

cenum.pl has the same name server delegation as a number of other domains, such as invaluable.at, moyoo.net, ithembaschool.co.za and two more.

At least some of cenum.pl's name servers are shared with other domains, for example ghostedmail.com, srt-security.com, livescori.com and two more.

These name servers are often deployed together with the name servers lisa.ns.cloudflare.com, aaron.ns.cloudflare.com, ns1.colocrossing.com and ns2.colocrossing.com.

Host names resolving to 6 IP numbers:

ken.ns.cloudflare.com resolves to 108.162.193.127, 172.64.33.127 and 173.245.59.127 among others, with 3 other IP addresses in total.

virginia.ns.cloudflare.com resolves to 108.162.194.37, 162.159.38.37 and 172.64.34.37 among others, with 3 other IP addresses in total.

Mail Servers

cenum.pl routes its mail through a single mail server, mail.cenum.pl.