forumsport.cz - robtex.com
forumsport.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:42eb🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:a5da🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.66.235Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.165.218🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | isla.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a77🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c077🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2077🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 108.162.192.119🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 172.64.32.119🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| A | 173.245.58.119🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isla.ns.cloudflare.com | ||||||
| NS | west.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bf7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | west.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1f7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | west.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21f7🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | west.ns.cloudflare.com | ||||||
| A | 108.162.193.247🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | west.ns.cloudflare.com | ||||||
| A | 172.64.33.247🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | west.ns.cloudflare.com | ||||||
| A | 173.245.59.247🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | west.ns.cloudflare.com | ||||||
| MX | cen01.vas-server.cz ⭐ | ||||||
| A | 2a01:28:ca:112::1:520🇨🇿 SuperNetwork2a01:28::/32 s.r.o. | ||||||
| PTR | cen01.vas-server.cz | ||||||
| A | 37.235.104.137🇨🇿 SuperNetwork37.235.96.0/20 s.r.o. | ||||||
| PTR | cen01.vas-server.cz | ||||||
| TXT | facebook-domain-verification=vd3ndk0oelog3vvha1gjs4x3rb7svw | ||||||
| TXT | google-site-verification=CNO5XxnYPG6pmDO0k48QU-8eQwZNYQNpJJUZ2cYZQdI | ||||||
| TXT | google-site-verification=KifS_QxV1noC3D8WgvgN2oBR7o68jUoYGT7etsPtJ-I | ||||||
| TXT | v=spf1 a mx include:spf.softmedia.cz -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.66.235, 172.67.165.218 | ||||||
| IPv6 hints | 2606:4700:3030::6815:42eb, 2606:4700:3037::ac43:a5da | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=146, name=cloudflare-ech.com | ||||||
| SOA | isla.ns.cloudflare.comdns@cloudflare.com serial=2398357528 | ||||||
cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.ns.nic.cz ⭐ | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1776039433 | ||||||
Same first word
forumsport.eu |
forumsport.info |
forumsport.org |
forumsport.cz |
forumsport.net |
forumsport.de |
forumsport.biz |
forumsport.es |
forumsport.com |
forumsport.ru |
forumsport.it |
Similar names
DNS History
7 records (7 active, 0 former)
●NSisla.ns.cloudflare.com2026-03-29 → 2026-04-13 · 2 obs
● 2026-04-13 00:34:08
●NSwest.ns.cloudflare.com2026-03-29 → 2026-04-13 · 2 obs
● 2026-04-13 00:34:08
●MXcen01.vas-server.cz2026-03-29 → 2026-04-13 · 2 obs
● 2026-04-13 00:34:08
●A104.21.66.2352026-03-29 → 2026-04-13 · 2 obs
● 2026-04-13 00:34:08
●A172.67.165.2182026-03-29 → 2026-04-13 · 2 obs
● 2026-04-13 00:34:08
●A2606:4700:3030::6815:42eb2026-03-29 → 2026-04-13 · 2 obs
● 2026-04-13 00:34:08
●A2606:4700:3037::ac43:a5da2026-03-29 → 2026-04-13 · 2 obs
● 2026-04-13 00:34:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| forumsport.cz | isla.ns.cloudflare.com, west.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.247
NS records: isla.ns.cloudflare.com, west.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for forumsport.cz (unsigned zone)
⏱️ Timing
Total: 835ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.66.235, 172.67.165.218 |
| AAAA | 2 | 2606:4700:3037::ac43:a5da, 2606:4700:3030::6815:42eb |
| NS | 2 | isla.ns.cloudflare.com, west.ns.cloudflare.com |
| MX | 1 | cen01.vas-server.cz (pri: 10) |
| TXT | 4 | facebook-domain-verification=vd3ndk0oelo, google-site-verification=CNO5XxnYPG6pmDO... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | isla.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
forumsport.cz maps to four IP numbers: 2606:4700:3030::6815:42eb, 2606:4700:3037::ac43:a5da, 104.21.66.235 and 172.67.165.218.
Other host names, for instance merakcharter.com, 1234cha.cn, smartnanoinvest.buzz, stec.pt and 88705.cn share IP numbers with forumsport.cz.
Name Servers
Two name servers isla.ns.cloudflare.com and west.ns.cloudflare.com are delegated to forumsport.cz.
forumsport.cz uses the same name server configuration as other domains, such as advancedsolar.cz, carnews24.cz, turistico.cz, viposobnosti.cz and trvstrattendrms.world.
forumsport.cz at least partially shares name servers with other domains such as vancouverstay.com, newelectricgates.com, financieel-slim.nl, ironcladencryption.com and interbitsolutions.com.
these name servers are commonly used with the name servers nancy.ns.cloudflare.com.
Host names with six IP numbers: Host name isla.ns.cloudflare.com points to 2606:4700:50::adf5:3a77, 2803:f800:50::6ca2:c077, 2a06:98c1:50::ac40:2077, 108.162.192.119, 172.64.32.119 and 173.245.58.119; host name west.ns.cloudflare.com points to 2606:4700:58::adf5:3bf7, 2803:f800:50::6ca2:c1f7, 2a06:98c1:50::ac40:21f7, 108.162.193.247, 172.64.33.247 and 173.245.59.247.
Mail Servers
forumsport.cz is handled by a single mail server, cen01.vas-server.cz.
Host name cen01.vas-server.cz points to IPs 2a01:28:ca:112::1:520 and 37.235.104.137.