knowunity.cz - dns.ninja
knowunity.cz
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3034::6815:4ecbπΊπΈ Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:8972πΊπΈ Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.78.203Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.137.114πΊπΈ Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | brett.ns.cloudflare.com β | ||||||
| A | 2606:4700:58::adf5:3b4cπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brett.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c14cπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | brett.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:214cπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | brett.ns.cloudflare.com | ||||||
| A | 108.162.193.76πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brett.ns.cloudflare.com | ||||||
| A | 172.64.33.76πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brett.ns.cloudflare.com | ||||||
| A | 173.245.59.76πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brett.ns.cloudflare.com | ||||||
| NS | teagan.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26aeπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | teagan.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2aeπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | teagan.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22aeπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | teagan.ns.cloudflare.com | ||||||
| A | 108.162.194.174πΊπΈ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | teagan.ns.cloudflare.com | ||||||
| A | 162.159.38.174Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | teagan.ns.cloudflare.com | ||||||
| A | 172.64.34.174πΊπΈ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | teagan.ns.cloudflare.com | ||||||
| TXT | google-site-verification=bfod7VUvZeEG6NKqdE_v9jiM6RqIRPKX9LOZ8u6Wv9w | ||||||
| TXT | v=spf1 -all | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.78.203, 172.67.137.114 | ||||||
| IPv6 hints | 2606:4700:3034::6815:4ecb, 2606:4700:3036::ac43:8972 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=18, name=cloudflare-ech.com | ||||||
| SOA | brett.ns.cloudflare.comdns@cloudflare.com serial=2405561191 | ||||||
cz
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a.ns.nic.cz β | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1782888438 | ||||||
Same first word
Similar names
DNS History
7 records (6 active, 1 former)
βNSbrett.ns.cloudflare.com2026-04-27 β 2026-07-01 Β· 2 obs
β 2026-07-01 08:01:28
βNSteagan.ns.cloudflare.com2026-04-27 β 2026-07-01 Β· 2 obs
β 2026-07-01 08:01:28
βA104.21.78.2032026-04-27 β 2026-07-01 Β· 2 obs
β 2026-07-01 08:01:28
βA172.67.137.1142026-04-27 β 2026-07-01 Β· 2 obs
β 2026-07-01 08:01:28
βA2606:4700:3031::6815:4ecb2026-04-27 β 2026-06-12 Β· 4 obs
β 2026-06-12 04:21:22
β 2026-06-24 15:22:06
β 2026-07-01 08:01:28
βA2606:4700:3034::6815:4ecb2026-06-24 β 2026-07-01 Β· 3 obs
β 2026-06-24 15:22:06
β 2026-07-01 08:01:28
βA2606:4700:3036::ac43:89722026-04-27 β 2026-07-01 Β· 2 obs
β 2026-07-01 08:01:28
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| knowunity.cz | brett.ns.cloudflare.com, teagan.ns.cloudflare.com | - |
β Authoritative Response
Server:108.162.193.76
NS records: brett.ns.cloudflare.com, teagan.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for knowunity.cz (unsigned zone)
β±οΈ Timing
Total: 951ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.78.203, 172.67.137.114 |
| AAAA | 2 | 2606:4700:3034::6815:4ecb, 2606:4700:3036::ac43:8972 |
| NS | 2 | brett.ns.cloudflare.com, teagan.ns.cloudflare.com |
| TXT | 2 | google-site-verification=bfod7VUvZeEG6NK, v=spf1 -all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | brett.ns.cloudflare.com dns.cloudflare.c |
Analysis
IP Addresses
knowunity.cz directs to four IP numbers, which are 104.21.78.203, 172.67.137.114, 2606:4700:3034::6815:4ecb and 2606:4700:3036::ac43:8972.
cxzbwrj.com, zwavepublic.com, tyrapiroferonexis.com and two other host names share IP numbers with knowunity.cz.
Name Servers
Two name servers handle the delegation for knowunity.cz: brett.ns.cloudflare.com and teagan.ns.cloudflare.com.
knowunity.cz uses the same name servers as several other domains β among them knowunity.rs, knowunity.gr, knowunity.com.br and two more.
At least some of knowunity.cz's name servers are shared with other domains, for example alterugo.com, satkom.cz, futurecareers.net and two more.
It is common for these name servers to be used in conjunction with the name servers amos.ns.cloudflare.com, carl.ns.cloudflare.com and dawn.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
brett.ns.cloudflare.com resolves to 108.162.193.76, 172.64.33.76 and 173.245.59.76 among others, with 3 other IP addresses in total.
teagan.ns.cloudflare.com resolves to 108.162.194.174, 162.159.38.174 and 172.64.34.174 among others, with 3 other IP addresses in total.