optimism.cz - robtex.com
optimism.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 64.190.63.222🇩🇪 SEDO64.190.62.0/23 -NET2-PI | ||||||
| NS | ns1.sedoparking.com ⭐ | ||||||
| A | 3.130.216.63🇺🇸 Amazon3.130.0.0/16 EC2 CMH prefix | ||||||
| PTR | ec2-3-130-216-63.us-east-2.compute.amazonaws.com | ||||||
| A | 91.195.241.8🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| NS | ns2.sedoparking.com | ||||||
| A | 34.211.188.210🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix | ||||||
| PTR | ec2-34-211-188-210.us-west-2.compute.amazonaws.com | ||||||
| A | 91.195.240.8🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| MX | localhost ⭐ | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.sedoparking.comhostmaster@sedo.de 2018-05-16 #1 | ||||||
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=1778507234 | ||||||
Subdomains
mail.optimism.cz |
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
○NSns1.reg.ru2015-08-14 → 2017-06-16 · 4 obs
● 2017-06-16 19:55:56
○ 2026-05-02 17:12:28
○ 2026-05-11 14:43:48
●NSns1.sedoparking.com2026-05-02 → 2026-05-11 · 3 obs
● 2026-05-02 17:12:28
● 2026-05-11 14:43:48
○NSns2.reg.ru2015-08-14 → 2017-06-16 · 4 obs
● 2017-06-16 19:55:56
○ 2026-05-02 17:12:28
○ 2026-05-11 14:43:48
●NSns2.sedoparking.com2026-05-02 → 2026-05-11 · 3 obs
● 2026-05-02 17:12:28
● 2026-05-11 14:43:48
●MXlocalhost2026-05-02 → 2026-05-11 · 2 obs
● 2026-05-11 14:43:48
●A64.190.63.2222026-05-02 → 2026-05-11 · 3 obs
● 2026-05-02 17:12:28
● 2026-05-11 14:43:48
○A89.108.104.1732015-08-14 → 2017-06-16 · 4 obs
● 2017-06-16 19:55:56
○ 2026-05-02 17:12:28
○ 2026-05-11 14:43:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| optimism.cz | ns1.sedoparking.com, ns2.sedoparking.com | - |
✅ Authoritative Response
Server:3.130.216.63
NS records: ns1.sedoparking.com, ns2.sedoparking.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optimism.cz (unsigned zone)
⏱️ Timing
Total: 728ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 64.190.63.222 |
| NS | 2 | ns1.sedoparking.com, ns2.sedoparking.com |
| MX | 1 | localhost (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.sedoparking.com hostmaster.sedo.de |
Analysis
Hierarchy
optimism.cz is a parent of mail.optimism.cz.
IP Addresses
optimism.cz points to a single IP address: 64.190.63.222.
Other host names such as 77-233-80-222.cdma.sta.kou.ee, oxww.com, voitures-occasions.com, mx0.baukreditdirekt.de and mail.astudy.com share IP numbers with optimism.cz.
Name Servers
optimism.cz is delegated to two name servers: ns1.sedoparking.com and ns2.sedoparking.com.
optimism.cz uses the same name server setup as other domains, including petipe.com, karaokeking.de, askgodforit.com, superdruginsurance.co.uk and mail.digitalcash.in.
optimism.cz shares name servers with other domains, at least partially; for example auto-oyun58.blogspot.com.ua and auto-mymediafirelinksfree.blogspot.com.ua.
Host names with two IP numbers:
ns1.sedoparking.com points to 3.130.216.63 and 91.195.241.8.
ns2.sedoparking.com points to 34.211.188.210 and 91.195.240.8.
Mail Servers
The mail server for optimism.cz is localhost.
optimism.cz uses the same mail server setup as other domains, for instance hetel.de, thesecondcast.com, norupdate.no, participations.co.uk and newhair.style.