kendro.cz - robtex.com

kendro.cz

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:8349🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:3e7🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.3.231Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.131.73🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSeric.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b70🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReric.ns.cloudflare.com
A2803:f800:50::6ca2:c170🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTReric.ns.cloudflare.com
A2a06:98c1:50::ac40:2170🇺🇸 Cloudflare2a06:98c1:50::/45
PTReric.ns.cloudflare.com
A108.162.193.112🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReric.ns.cloudflare.com
A172.64.33.112🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReric.ns.cloudflare.com
A173.245.59.112🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTReric.ns.cloudflare.com
NStricia.ns.cloudflare.com
A2606:4700:50::adf5:3ae8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtricia.ns.cloudflare.com
A2803:f800:50::6ca2:c0e8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtricia.ns.cloudflare.com
A2a06:98c1:50::ac40:20e8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRtricia.ns.cloudflare.com
A108.162.192.232🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtricia.ns.cloudflare.com
A172.64.32.232🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtricia.ns.cloudflare.com
A173.245.58.232🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtricia.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c06::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbg-in-f26.1e100.net
A142.251.167.27🇺🇸 Google142.251.167.0/24
PTRww-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1b🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f27.1e100.net
A172.253.157.26🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f26.1e100.net
TXTgoogle-site-verification=WM4TeU36OwL8fO8cONtcnyhV1S9kvlx99yzXFkP9JwU
TXTgoogle-site-verification=aD0Is8K8huGrCYGFex_ler2R3ADSqffnDu4r8KqOgrY
TXTgoogle-site-verification=pR3c8m0bIalz1c-gPZsaDaiA2zAWT5My5nUjV_EyTyM
TXTv=spf1 ip4:217.11.249.147 ip6:2001:1528:240::93 include:_spf.google.com inclu...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.3.231, 172.67.131.73
IPv6 hints2606:4700:3030::ac43:8349, 2606:4700:3037::6815:3e7
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=90, name=cloudflare-ech.com
SOAeric.ns.cloudflare.comdns@cloudflare.com serial=2404929155

cz

DNSSEC🔒 Signed (DS record present)
NSa.ns.nic.cz ⭐
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz
SOAa.ns.nic.czhostmaster@nic.cz serial=1783662441

Same first word

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kendro.org
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kenrod.es
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orkend.com

DNS History

13 records (11 active, 2 former)

NSeric.ns.cloudflare.comtricia.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA104.21.3.231172.67.131.732606:4700:3030::ac43:83492606:4700:3037::6815:3e72606:4700:3032::ac43:83492606:4700:3034::6815:3e7
●NSeric.ns.cloudflare.com2026-06-10 → 2026-07-10 · 2 obs
● 2026-06-10 19:46:38
● 2026-07-10 06:12:40
●NStricia.ns.cloudflare.com2026-06-10 → 2026-07-10 · 2 obs
● 2026-06-10 19:46:38
● 2026-07-10 06:12:40
●MXalt1.aspmx.l.google.com2026-06-10 → 2026-07-10 · 2 obs
● 2026-06-10 19:46:38
● 2026-07-10 06:12:40
●MXalt2.aspmx.l.google.com2026-06-10 → 2026-07-10 · 2 obs
● 2026-06-10 19:46:38
● 2026-07-10 06:12:40
●MXalt3.aspmx.l.google.com2026-06-10 → 2026-07-10 · 2 obs
● 2026-06-10 19:46:38
● 2026-07-10 06:12:40
●MXalt4.aspmx.l.google.com2026-06-10 → 2026-07-10 · 2 obs
● 2026-06-10 19:46:38
● 2026-07-10 06:12:40
●MXaspmx.l.google.com2026-06-10 → 2026-07-10 · 2 obs
● 2026-06-10 19:46:38
● 2026-07-10 06:12:40
●A104.21.3.2312026-06-10 → 2026-07-10 · 2 obs
● 2026-06-10 19:46:38
● 2026-07-10 06:12:40
●A172.67.131.732026-06-10 → 2026-07-10 · 2 obs
● 2026-06-10 19:46:38
● 2026-07-10 06:12:40
●A2606:4700:3030::ac43:83492026-07-01 → 2026-07-10 · 3 obs
○ 2026-06-12 14:20:06
● 2026-07-01 06:01:54
● 2026-07-10 06:12:40
○A2606:4700:3032::ac43:83492026-06-10 → 2026-06-12 · 4 obs
● 2026-06-10 19:46:38
● 2026-06-12 14:20:06
○ 2026-07-01 06:01:54
○ 2026-07-10 06:12:40
○A2606:4700:3034::6815:3e72026-06-10 → 2026-06-12 · 4 obs
● 2026-06-10 19:46:38
● 2026-06-12 14:20:06
○ 2026-07-01 06:01:54
○ 2026-07-10 06:12:40
●A2606:4700:3037::6815:3e72026-07-01 → 2026-07-10 · 3 obs
○ 2026-06-12 14:20:06
● 2026-07-01 06:01:54
● 2026-07-10 06:12:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
kendro.czeric.ns.cloudflare.com, tricia.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.112

NS records: eric.ns.cloudflare.com, tricia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kendro.cz (unsigned zone)

⏱️ Timing

Total: 1213ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.3.231, 172.67.131.73
AAAA22606:4700:3030::ac43:8349, 2606:4700:3037::6815:3e7
NS2eric.ns.cloudflare.com, tricia.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT4google-site-verification=WM4TeU36OwL8fO8, google-site-verification=aD0Is8K8huGrCYG...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1eric.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

kendro.cz resolves to four IP addresses: 104.21.3.231, 172.67.131.73, 2606:4700:3030::ac43:8349 and 2606:4700:3037::6815:3e7.

Two other host names, along with lingu.co.uk, curto.bio and 89182126644.ru, also share IP numbers with kendro.cz.

Name Servers

kendro.cz uses two name servers for its delegation: eric.ns.cloudflare.com and tricia.ns.cloudflare.com.

kendro.cz shares its NS records with other domains, for example kazokunokizunachiryoin.com, restaurante-baiamare.ro, kapucin.cz and two others.

kendro.cz has at least partial name server overlap with other domains, such as lakesideomfs.com, 08989988.com, tgun.vn and two others.

These name servers tend to appear together with the name servers jaxson.ns.cloudflare.com, laylah.ns.cloudflare.com and piers.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname eric.ns.cloudflare.com directs to 108.162.193.112, 172.64.33.112 and 173.245.59.112 along with 3 other IP addresses.

Hostname tricia.ns.cloudflare.com directs to 108.162.192.232, 172.64.32.232 and 173.245.58.232 along with 3 other IP addresses.

Mail Servers

kendro.cz is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between kendro.cz and other domains, including curesearch.org, primelab.co.ua, ns500699.ns500699.ns500699.ns500699.ns500699.ns500699.ns500699.ns500699.ns500734.ns500588.ns500699.ns500588.ns500588.ns500612.dtrkdll.com and two others.

These mail servers tend to appear in combination with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Host names that have two IP addresses:

aspmx.l.google.com directs traffic to 142.251.167.27 and 2607:f8b0:4004:c06::1a.

alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com directs traffic to 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com directs traffic to 172.253.157.26 and 2a00:1450:400c:c23::1b.