rainbowcups.cz - robtex.com
rainbowcups.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 88.99.51.237🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC | ||||||
| PTR | web13.jdm.pl | ||||||
| NS | dns100.ovh.net ⭐ | ||||||
| A | 2001:41d0:d00:fa00::2🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | dns100.ovh.net | ||||||
| A | 5.135.250.177🇫🇷 OVH5.135.0.0/16 | ||||||
| PTR | dns100.ovh.net | ||||||
| NS | ns100.ovh.net | ||||||
| A | 2001:41d0:b00:f400::2🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | ns100.ovh.net | ||||||
| A | 5.135.44.185🇧🇪 OVH5.135.0.0/16 | ||||||
| PTR | ns100.ovh.net | ||||||
| MX | mx4.mail.ovh.net ⭐ | ||||||
| A | 178.32.124.207🇫🇷 OVH178.32.0.0/15 ISP Paris, France | ||||||
| PTR | mx4.mail.ovh.net | ||||||
| MX | mx3.mail.ovh.net(10) | ||||||
| A | 91.121.53.175🇫🇷 OVH91.121.0.0/16 ISP Paris, France | ||||||
| PTR | mx3.mail.ovh.net | ||||||
| TXT | 1|www.rainbowcups.cz | ||||||
| TXT | google-site-verification=p0MNwZxuSEmp7ZWWhNlSn4FNHvbUHblqKQiNjgfPUEg | ||||||
| SOA | dns100.ovh.nettech@ovh.net serial=2085378737 | ||||||
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=1785977241 | ||||||
Same first word
DNS History
5 records (5 active, 0 former)
●MXmx3.mail.ovh.net2026-07-31 → 2026-08-06 · 2 obs
● 2026-08-06 00:53:14
●MXmx4.mail.ovh.net2026-07-31 → 2026-08-06 · 2 obs
● 2026-08-06 00:53:14
●A88.99.51.2372026-07-31 → 2026-08-06 · 2 obs
● 2026-08-06 00:53:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | d.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz | - |
| rainbowcups.cz | dns100.ovh.net, ns100.ovh.net | - |
✅ Authoritative Response
Server:5.135.44.185
NS records: dns100.ovh.net, ns100.ovh.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 897ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 88.99.51.237 |
| NS | 2 | ns100.ovh.net, dns100.ovh.net |
| MX | 2 | mx4.mail.ovh.net (pri: 1), mx3.mail.ovh.net (pri: 10) |
| TXT | 2 | 1|www.rainbowcups.cz, google-site-verification=p0MNwZxuSEmp7ZW |
| SOA | 1 | dns100.ovh.net tech.ovh.net |
Analysis
IP Addresses
rainbowcups.cz resolves to just one IP address, 88.99.51.237.
Two other host names, along with brenda.pl, rainbowcups.it and designbeton.pl, also share IP numbers with rainbowcups.cz.
Name Servers
rainbowcups.cz uses two name servers for its delegation: dns100.ovh.net and ns100.ovh.net.
rainbowcups.cz shares its NS records with other domains, for example totu.click, stage-de-pilotage-le-mans.fr, pratikmedia.com and two others.
The two host names dns100.ovh.net and ns100.ovh.net each have a pair of IP addresses: dns100.ovh.net has 5.135.250.177 and 2001:41d0:d00:fa00::2, and ns100.ovh.net has 5.135.44.185 and 2001:41d0:b00:f400::2.
Mail Servers
rainbowcups.cz is served by two mail servers, mx3.mail.ovh.net and mx4.mail.ovh.net.
Among the domains sharing a mail server setup with rainbowcups.cz are techworks.sn, serverox.fr, crmdisplay.com and two others.
There is at least a partial MX overlap between rainbowcups.cz and other domains, including durron.net, tasteaherbs.com, semaine-vaccination.fr and two others.
The mail servers mx1.mail.ovh.net, mx2.mail.ovh.net and mx0.mail.ovh.net are commonly used alongside these mail servers.
Both mx3.mail.ovh.net and mx4.mail.ovh.net have a single IP address each — mx3.mail.ovh.net resolves to 91.121.53.175 while mx4.mail.ovh.net resolves to 178.32.124.207.