opensphere.cz - robtex.com

opensphere.cz

DNSSEC⚠️ Not signed
NSaudrey.ns.cloudflare.com ⚠️ Not in zone NS records
A2606:4700:50::a29f:2642🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaudrey.ns.cloudflare.com
A2803:f800:50::6ca2:c242🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRaudrey.ns.cloudflare.com
A2a06:98c1:50::ac40:2242🇺🇸 Cloudflare2a06:98c1:50::/45
PTRaudrey.ns.cloudflare.com
A108.162.194.66🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaudrey.ns.cloudflare.com
A162.159.38.66Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaudrey.ns.cloudflare.com
A172.64.34.66🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaudrey.ns.cloudflare.com
NSgerald.ns.cloudflare.com ⚠️ Not in zone NS records
A2606:4700:58::adf5:3ba8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgerald.ns.cloudflare.com
A2803:f800:50::6ca2:c1a8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgerald.ns.cloudflare.com
A2a06:98c1:50::ac40:21a8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgerald.ns.cloudflare.com
A108.162.193.168🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgerald.ns.cloudflare.com
A172.64.33.168🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgerald.ns.cloudflare.com
A173.245.59.168🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgerald.ns.cloudflare.com

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=1774529237
rank #132874 globally
rank #444 in the tld
📈 Tranco rank: #483,204

Same first word

opensphere.cz
opensphere.co.jp
opensphere.net
opensphere.ro
opensphere.re
opensphere.fr
opensphere.ch
opensphere.com

Similar names

persephone.lgbt
persephone.fr
persephone.com
persephone.com.tr
persephone.eu
persephone.blob.core.windows.net
persephone.org
persephone.cloud
persephone.com.br
persephone.ws
persephone.io
persephone.at
persephone.ru
persephone.net
persephone.co
persephone.de
persephone.biz
persephone.be

DNS History

8 records (2 active, 6 former)

NSaudrey.ns.cloudflare.comgerald.ns.cloudflare.comlilyana.ns.cloudflare.comotto.ns.cloudflare.comA104.21.52.52172.67.195.1472606:4700:3032::6815:34342606:4700:3035::ac43:c393
●NSaudrey.ns.cloudflare.com2026-03-17 → 2026-03-26 · 3 obs
○ 2026-03-09 00:21:26
● 2026-03-17 16:38:16
● 2026-03-26 13:19:36
●NSgerald.ns.cloudflare.com2026-03-17 → 2026-03-26 · 3 obs
○ 2026-03-09 00:21:26
● 2026-03-17 16:38:16
● 2026-03-26 13:19:36
○NSlilyana.ns.cloudflare.com2026-03-05 → 2026-03-09 · 4 obs
● 2026-03-05 07:36:08
● 2026-03-09 00:21:26
○ 2026-03-17 16:38:16
○ 2026-03-26 13:19:36
○NSotto.ns.cloudflare.com2026-03-05 → 2026-03-09 · 4 obs
● 2026-03-05 07:36:08
● 2026-03-09 00:21:26
○ 2026-03-17 16:38:16
○ 2026-03-26 13:19:36
○A104.21.52.522026-03-05 → 2026-03-09 · 4 obs
● 2026-03-05 07:36:08
● 2026-03-09 00:21:26
○ 2026-03-17 16:38:16
○ 2026-03-26 13:19:36
○A172.67.195.1472026-03-05 → 2026-03-09 · 4 obs
● 2026-03-05 07:36:08
● 2026-03-09 00:21:26
○ 2026-03-17 16:38:16
○ 2026-03-26 13:19:36
○A2606:4700:3032::6815:34342026-03-05 → 2026-03-09 · 4 obs
● 2026-03-05 07:36:08
● 2026-03-09 00:21:26
○ 2026-03-17 16:38:16
○ 2026-03-26 13:19:36
○A2606:4700:3035::ac43:c3932026-03-05 → 2026-03-09 · 4 obs
● 2026-03-05 07:36:08
● 2026-03-09 00:21:26
○ 2026-03-17 16:38:16
○ 2026-03-26 13:19:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
opensphere.czaudrey.ns.cloudflare.com, gerald.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.168

NS records: audrey.ns.cloudflare.com, gerald.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opensphere.cz (unsigned zone)

⏱️ Timing

Total: 1065ms | Queries: -

📄 Records

TypeCountSample Data

Analysis

Name Servers

Delegation for opensphere.cz rests with two name servers, audrey.ns.cloudflare.com and gerald.ns.cloudflare.com.

opensphere.cz shares the same name server setup as other domains, including xn--glcksblicke-uhb.ch, quickbiz.tr, tankebloggen.se, inforoute.cz and activateforwardzone.fr.

opensphere.cz at least partially shares name servers with other domains, for instance govtportal.com, plqgames.com, dorix.pl, prestel.uk and pcpafikotamakassar.org.

These name servers are commonly used with the name servers sharon.ns.cloudflare.com.

Host names with six IP numbers: audrey.ns.cloudflare.com points to: 2606:4700:50::a29f:2642, 2803:f800:50::6ca2:c242, 2a06:98c1:50::ac40:2242, 108.162.194.66, 162.159.38.66 and 172.64.34.66. gerald.ns.cloudflare.com points to: 2606:4700:58::adf5:3ba8, 2803:f800:50::6ca2:c1a8, 2a06:98c1:50::ac40:21a8, 108.162.193.168, 172.64.33.168 and 173.245.59.168.