cecgr.cz - robtex.com

cecgr.cz

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:8799🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:1a46🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.26.70Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.135.153🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NStoby.ns.cloudflare.com
A2606:4700:58::adf5:3bef🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtoby.ns.cloudflare.com
A2803:f800:50::6ca2:c1ef🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtoby.ns.cloudflare.com
A2a06:98c1:50::ac40:21ef🇺🇸 Cloudflare2a06:98c1:50::/45
PTRtoby.ns.cloudflare.com
A108.162.193.239🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtoby.ns.cloudflare.com
A172.64.33.239🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtoby.ns.cloudflare.com
A173.245.59.239🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtoby.ns.cloudflare.com
NSuma.ns.cloudflare.com
A2606:4700:50::adf5:3a92🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRuma.ns.cloudflare.com
A2803:f800:50::6ca2:c092🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRuma.ns.cloudflare.com
A2a06:98c1:50::ac40:2092🇺🇸 Cloudflare2a06:98c1:50::/45
PTRuma.ns.cloudflare.com
A108.162.192.146🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRuma.ns.cloudflare.com
A172.64.32.146🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRuma.ns.cloudflare.com
A173.245.58.146🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRuma.ns.cloudflare.com
MXaspmx.l.google.com
A2607:f8b0:4004:c29::1a🇺🇸 Google2607:f8b0:4004::/48
PTRyuiadum-in-f26.1e100.net
A64.233.180.26🇺🇸 Google64.233.180.0/24
PTRon-in-f26.1e100.net
PTRpe-in-f26.1e100.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
MXaspmx2.googlemail.com(10)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXaspmx3.googlemail.com(10)
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
TXTamazonses:uVF2wM8dF1Rc74/VtXtFsL785P6+AMK+u4753iX43Nk=
TXTgoogle-site-verification=M0tF5LznyxroL-B0DMJRGHDr1YXi9MoieSvN385Qa0o
TXTv=spf1 include:_spf.google.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.26.70, 172.67.135.153
IPv6 hints2606:4700:3031::ac43:8799, 2606:4700:3034::6815:1a46
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=125, name=cloudflare-ech.com
SOAtoby.ns.cloudflare.comdns@cloudflare.com serial=2407966603

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=1785671243

Same first word

Similar names

DNS History

16 records (11 active, 5 former)

20162017201820192020202120222023202420252026NStoby.ns.cloudflare.comuma.ns.cloudflare.comalfa.ns.active24.czbeta.ns.active24.czgama.ns.active24.skMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA104.21.26.70172.67.135.1532606:4700:3031::ac43:87992606:4700:3034::6815:1a462606:4700:3036::ac43:879981.31.32.70
NSalfa.ns.active24.cz2015-07-20 → 2020-03-11 · 4 obs
● 2015-07-20 00:16:48
● 2020-03-11 18:33:04
○ 2026-06-13 07:31:24
○ 2026-08-02 12:06:46
NSbeta.ns.active24.cz2015-07-20 → 2020-03-11 · 4 obs
● 2015-07-20 00:16:48
● 2020-03-11 18:33:04
○ 2026-06-13 07:31:24
○ 2026-08-02 12:06:46
NSgama.ns.active24.sk2015-07-20 → 2020-03-11 · 4 obs
● 2015-07-20 00:16:48
● 2020-03-11 18:33:04
○ 2026-06-13 07:31:24
○ 2026-08-02 12:06:46
NStoby.ns.cloudflare.com2026-06-13 → 2026-08-02 · 3 obs
○ 2020-03-11 18:33:04
● 2026-06-13 07:31:24
● 2026-08-02 12:06:46
NSuma.ns.cloudflare.com2026-06-13 → 2026-08-02 · 3 obs
○ 2020-03-11 18:33:04
● 2026-06-13 07:31:24
● 2026-08-02 12:06:46
MXalt1.aspmx.l.google.com2015-07-20 → 2026-08-02 · 2 obs
● 2015-07-20 00:16:48
● 2026-08-02 12:06:46
MXalt2.aspmx.l.google.com2015-07-20 → 2026-08-02 · 2 obs
● 2015-07-20 00:16:48
● 2026-08-02 12:06:46
MXaspmx.l.google.com2015-07-20 → 2026-08-02 · 2 obs
● 2015-07-20 00:16:48
● 2026-08-02 12:06:46
MXaspmx2.googlemail.com2015-07-20 → 2026-08-02 · 2 obs
● 2015-07-20 00:16:48
● 2026-08-02 12:06:46
MXaspmx3.googlemail.com2015-07-20 → 2026-08-02 · 2 obs
● 2015-07-20 00:16:48
● 2026-08-02 12:06:46
A104.21.26.702026-06-13 → 2026-08-02 · 3 obs
○ 2020-03-11 18:33:04
● 2026-06-13 07:31:24
● 2026-08-02 12:06:46
A172.67.135.1532026-06-13 → 2026-08-02 · 3 obs
○ 2020-03-11 18:33:04
● 2026-06-13 07:31:24
● 2026-08-02 12:06:46
A2606:4700:3031::ac43:87992026-08-02 → 2026-08-02 · 2 obs
○ 2026-06-13 07:31:24
● 2026-08-02 12:06:46
A2606:4700:3034::6815:1a462026-06-13 → 2026-08-02 · 3 obs
○ 2020-03-11 18:33:04
● 2026-06-13 07:31:24
● 2026-08-02 12:06:46
A2606:4700:3036::ac43:87992026-06-13 → 2026-06-13 · 3 obs
○ 2020-03-11 18:33:04
● 2026-06-13 07:31:24
○ 2026-08-02 12:06:46
A81.31.32.702015-07-20 → 2016-12-07 · 4 obs
● 2015-07-20 00:16:48
● 2016-12-07 00:14:22
○ 2020-03-11 18:33:04
○ 2026-08-02 12:06:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
cecgr.czuma.ns.cloudflare.com, toby.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.146

NS records: uma.ns.cloudflare.com, toby.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cecgr.cz (unsigned zone)

⏱️ Timing

Total: 1999ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.26.70, 172.67.135.153
AAAA22606:4700:3034::6815:1a46, 2606:4700:3031::ac43:8799
NS2toby.ns.cloudflare.com, uma.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...
TXT3amazonses:uVF2wM8dF1Rc74/VtXtFsL785P6+AM, google-site-verification=M0tF5LznyxroL-B...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1toby.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

cecgr.cz resolves to four IP addresses: 104.21.26.70, 172.67.135.153, 2606:4700:3031::ac43:8799 and 2606:4700:3034::6815:1a46.

Additional host names — sswd.xyz, hz88z1.com, electronicabf.com and two others — share IP numbers with cecgr.cz.

Name Servers

The NS records for cecgr.cz delegate to toby.ns.cloudflare.com and uma.ns.cloudflare.com.

cecgr.cz shares its name server setup with other domains, including ledsdoit.gr, daniela-fitness.cz, socr.cz and two others.

cecgr.cz shares at least some of its name servers with other domains, including zenithglobalplatform.sbs, massmediums.com, hiclover.net and two others.

These name servers are frequently paired with the name servers ollie.ns.cloudflare.com, kate.ns.cloudflare.com and eugene.ns.cloudflare.com.

Host names with 6 IP numbers:

toby.ns.cloudflare.com maps to 108.162.193.239, 172.64.33.239, 173.245.59.239 and 3 additional IP addresses.

uma.ns.cloudflare.com maps to 108.162.192.146, 172.64.32.146, 173.245.58.146 and 3 additional IP addresses.

Mail Servers

cecgr.cz is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

cecgr.cz shares mail servers — at least in part — with other domains, including ns500754.ns500671.ns500754.ns500742.ns500754.ns500705.ns500671.ns500705.ns500678.ns500704.ns500704.ns500678.ns500291.ns500649.tenderladiesbz.com, ns500734.ns500699.ns500693.ns500734.ns500699.ns500699.ns500693.ns500699.ns500588.ns500632.ns500588.ns500612.ns500612.ns500110.dtrkdll.com, ns500699.ns500734.ns500693.ns500734.ns500693.ns500699.ns500693.ns500693.ns500693.ns500588.ns500588.ns500699.ns500632.ns500588.ns500588.dtrkdll.com and two others.

These mail servers are frequently used alongside mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other.

Host names with two IP numbers:

The A records for aspmx2.googlemail.com return 108.177.123.27 and 2800:3f0:4003:c0f::1a.

The A records for aspmx3.googlemail.com return 172.253.116.27 and 2a00:1450:400b:c02::1a.

The A records for aspmx.l.google.com return 64.233.180.26 and 2607:f8b0:4004:c29::1a.

The A records for alt1.aspmx.l.google.com return 108.177.123.26 and 2800:3f0:4003:c0f::1a.

The A records for alt2.aspmx.l.google.com return 172.253.116.27 and 2a00:1450:400b:c02::1a.

aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 2800:3f0:4003:c0f::1a IP addresses.

aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 2a00:1450:400b:c02::1a IP addresses.

aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 172.253.116.27 IP addresses.