fb.cz - robtex.com
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fb.cz
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=1770949038 | ||||||
Up
www.fb.cz |
Same first word
Similar names
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | d.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz | - |
| fb.cz | ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu | - |
✅ Authoritative Response
Server: 185.71.159.12
NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 774ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.212 |
| AAAA | 1 | 2a00:4b40:aaaa:2011::5 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| MX | 5 | aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)... |
| TXT | 1 | MS=3AAEB551BF4DFEC5CF83D51B42170A4AF8F60 |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
AI analysis
The parent of www.fb.cz is fb.cz.
fb.cz points to two IP numbers: 2a00:4b40:aaaa:2011::5 and 37.9.175.212.
Other host names such as zivotastrom.cz, kma.cz, ruudbotman.com, lomeno.cz and cartoonsenzo.nl share IPs with fb.cz.
fb.cz is delegated to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
fb.cz at least partially shares name servers with other domains, for example trifidholding.eu, gaussalgo.com, jol.cz, beanstankov.cz and gdtorrent.net.
Host names with two IP numbers:
ns1.websupport.cz points to 2a10:bbc0::11 and 45.10.97.11
ns2.websupport.cz points to 2a02:250:3::12 and 185.71.159.12
ns3.websupport.eu points to 2a10:bbc0::13 and 45.10.97.13
fb.cz is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
fb.cz shares at least partially some mail servers with other domains, for instance my-nanny.se, krakaulaw.com, ineuf.immo, ns500742.ns500731.ns500671.ns500742.ns500742.ns500688.ns500688.ns500688.ns500678.ns500649.ns500649.ns500291.ns500291.ns500291.ns500131.lustychickser.com and ns500671.ns500754.ns500754.ns500671.ns500671.ns500731.ns500704.ns500705.ns500705.ns500291.ns500678.tenderladiesbz.com.
these mail servers are often used together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
Host aspmx2.googlemail.com resolves to 2a00:1450:4025:402::1a and 142.250.102.27.
Host aspmx3.googlemail.com resolves to 2a00:1450:4013:c1e::1b and 192.178.213.27.
Host aspmx.l.google.com resolves to 2a00:1450:4009:c0f::1a and 192.178.223.26.
Host alt1.aspmx.l.google.com resolves to 2a00:1450:4025:402::1b and 142.250.102.26.
Host alt2.aspmx.l.google.com resolves to 2a00:1450:4013:c1e::1b and 192.178.213.27.
Host names resolving to 2a00:1450:4013:c1e::1b: aspmx3.googlemail.com and alt2.aspmx.l.google.com.
Host names resolving to 192.178.213.27: aspmx3.googlemail.com and alt2.aspmx.l.google.com.
Common targets: 2a00:1450:4013:c1e::1b and 192.178.213.27 appear for aspmx3.googlemail.com and alt2.aspmx.l.google.com.