fdb.cz - robtex.com
fdb.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=1771291036 | ||||||
rank #121 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #109,836
Up
Same first word
Similar names
DNS History
20 records (8 active, 12 former)
●NSkate.ns.cloudflare.com2021-02-05 → 2026-02-22 · 3 obs
● 2021-02-05 18:01:26
● 2026-02-22 04:55:34
○NSns1.savvy.cz2015-08-24 → 2017-02-14 · 4 obs
● 2017-02-14 06:00:28
○ 2021-02-05 18:01:26
○ 2026-02-22 04:55:34
○NSns2.savvy.cz2015-08-24 → 2017-02-14 · 4 obs
● 2017-02-14 06:00:28
○ 2021-02-05 18:01:26
○ 2026-02-22 04:55:34
●NSray.ns.cloudflare.com2021-02-05 → 2026-02-22 · 3 obs
● 2021-02-05 18:01:26
● 2026-02-22 04:55:34
○MXalt.2.aspmx.l.google.com2015-08-24 → 2021-03-07 · 4 obs
● 2021-03-07 11:41:30
○ 2026-02-22 01:20:26
○ 2026-02-22 04:55:34
○MXalt1.aspmx.l.google.com2015-08-24 → 2021-03-07 · 4 obs
● 2021-03-07 11:41:30
○ 2026-02-22 01:20:26
○ 2026-02-22 04:55:34
○MXaspmx.l.google.com2015-08-24 → 2021-03-07 · 4 obs
● 2021-03-07 11:41:30
○ 2026-02-22 01:20:26
○ 2026-02-22 04:55:34
○MXaspmx2.l.googlemail.com2015-08-24 → 2021-03-07 · 4 obs
● 2021-03-07 11:41:30
○ 2026-02-22 01:20:26
○ 2026-02-22 04:55:34
○MXaspmx3.l.googlemail.com2015-08-24 → 2021-03-07 · 4 obs
● 2021-03-07 11:41:30
○ 2026-02-22 01:20:26
○ 2026-02-22 04:55:34
●MXmail1.bigboard.cz2026-02-22 → 2026-02-22 · 3 obs
● 2026-02-22 01:20:26
● 2026-02-22 04:55:34
●MXmail2.bigboard.cz2026-02-22 → 2026-02-22 · 3 obs
● 2026-02-22 01:20:26
● 2026-02-22 04:55:34
●A104.21.14.1672026-02-22 → 2026-02-22 · 3 obs
● 2026-02-22 01:20:26
● 2026-02-22 04:55:34
○A104.21.42.1592021-02-05 → 2021-03-07 · 5 obs
● 2021-02-05 18:01:26
● 2021-03-07 11:41:30
○ 2026-02-22 01:20:26
○ 2026-02-22 04:55:34
●A172.67.160.182026-02-22 → 2026-02-22 · 3 obs
● 2026-02-22 01:20:26
● 2026-02-22 04:55:34
○A172.67.163.1342021-02-05 → 2021-03-07 · 5 obs
● 2021-02-05 18:01:26
● 2021-03-07 11:41:30
○ 2026-02-22 01:20:26
○ 2026-02-22 04:55:34
●A2606:4700:3030::6815:ea72026-02-22 → 2026-02-22 · 3 obs
● 2026-02-22 01:20:26
● 2026-02-22 04:55:34
○A2606:4700:3032::6815:2a9f2021-02-05 → 2021-03-07 · 5 obs
● 2021-02-05 18:01:26
● 2021-03-07 11:41:30
○ 2026-02-22 01:20:26
○ 2026-02-22 04:55:34
○A2606:4700:3032::ac43:a3862021-02-05 → 2021-03-07 · 5 obs
● 2021-02-05 18:01:26
● 2021-03-07 11:41:30
○ 2026-02-22 01:20:26
○ 2026-02-22 04:55:34
●A2606:4700:3035::ac43:a0122026-02-22 → 2026-02-22 · 3 obs
● 2026-02-22 01:20:26
● 2026-02-22 04:55:34
○A83.167.250.112015-08-24 → 2017-02-14 · 4 obs
● 2017-02-14 06:00:28
○ 2021-02-05 18:01:26
○ 2026-02-22 04:55:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| fdb.cz | ray.ns.cloudflare.com, kate.ns.cloudflare.com | - |
✅ Authoritative Response
Server: 172.64.33.138
NS records: ray.ns.cloudflare.com, kate.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fdb.cz (unsigned zone)
⏱️ Timing
Total: 906ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.160.18, 104.21.14.167 |
| AAAA | 2 | 2606:4700:3035::ac43:a012, 2606:4700:3030::6815:ea7 |
| NS | 2 | kate.ns.cloudflare.com, ray.ns.cloudflare.com |
| MX | 2 | mail1.bigboard.cz (pri: 10), mail2.bigboard.cz (pri: 30) |
| TXT | 3 | google-site-verification=D8Gq5em9-D48GHT, google-site-verification=IEdHcyKz2oJe_vl... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | kate.ns.cloudflare.com dns.cloudflare.co |
AI analysis
fdb.cz is a parent of mars.fdb.cz and www.fdb.cz.
fdb.cz resolves to four IP numbers: 2606:4700:3030::6815:ea7, 2606:4700:3035::ac43:a012, 104.21.14.167 and 172.67.160.18.
Other host names such as www.fdb.cz, www-gg.com, mail.hands.org.il, jollyhd.live and gourd.ca share IPs with fdb.cz.
fdb.cz is delegated to two name servers: kate.ns.cloudflare.com and ray.ns.cloudflare.com.
fdb.cz shares the same name server setup as thejuniorleague.org, ysos.com, mylel.com, jl-hbg.com and mirages.com.br.
fdb.cz at least partially shares name servers with other domains, for instance slovin.us, 3a-xiantai.com, fullstackfirebase.com, mcpehub.org and segalp.ru.
These name servers are commonly used with lina.ns.cloudflare.com and mitchell.ns.cloudflare.com.
Host names with six IP numbers:
kate.ns.cloudflare.com points to 2606:4700:50::adf5:3a7c, 2803:f800:50::6ca2:c07c, 2a06:98c1:50::ac40:207c, 108.162.192.124, 172.64.32.124 and 173.245.58.124.
ray.ns.cloudflare.com points to 2606:4700:58::adf5:3b8a, 2803:f800:50::6ca2:c18a, 2a06:98c1:50::ac40:218a, 108.162.193.138, 172.64.33.138 and 173.245.59.138.
fdb.cz is handled by two mail servers: mail1.bigboard.cz and mail2.bigboard.cz.
The mail server setup for fdb.cz matches that of other domains, for instance hypermedia.cz, tardus.cz, qeep.cz, velonet.cz and czechoutdoor.cz.
fdb.cz shares some mail servers with other domains, at least partially, for example prahain.cz, bigboard.cz, bigmedia.cz and newsoutdoor.cz.
these mail servers are commonly used together with mx2.active24.com.
Host names with a single IP:
mail1.bigboard.cz points to 91.139.12.84.
mail2.bigboard.cz points to 91.139.12.89.