mertra.cz - robtex.com
mertra.cz
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.siteground.net ⚠️ Not in zone NS records | ||||||
| A | 75.2.77.104🇺🇸 Amazon75.2.64.0/20 | ||||||
| PTR | ac4b097dbd0dd6307.awsglobalaccelerator.com | ||||||
| NS | ns2.siteground.net ⚠️ Not in zone NS records | ||||||
| A | 99.83.229.113🇺🇸 Amazon99.83.224.0/20 | ||||||
| PTR | ac4b097dbd0dd6307.awsglobalaccelerator.com | ||||||
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=1784368042 | ||||||
Same first word
Similar names
DNS History
6 records (2 active, 4 former)
●NSns1.siteground.net2026-05-18 → 2026-07-18 · 2 obs
● 2026-07-18 09:56:08
●NSns2.siteground.net2026-05-18 → 2026-07-18 · 2 obs
● 2026-07-18 09:56:08
○MXmx10.antispam.mailspamprotection.com2026-05-18 → 2026-06-03 · 4 obs
● 2026-06-03 10:08:18
○ 2026-07-16 19:35:10
○ 2026-07-18 09:56:08
○MXmx20.antispam.mailspamprotection.com2026-05-18 → 2026-06-03 · 4 obs
● 2026-06-03 10:08:18
○ 2026-07-16 19:35:10
○ 2026-07-18 09:56:08
○MXmx30.antispam.mailspamprotection.com2026-05-18 → 2026-06-03 · 4 obs
● 2026-06-03 10:08:18
○ 2026-07-16 19:35:10
○ 2026-07-18 09:56:08
○A35.214.39.1002026-05-18 → 2026-06-03 · 4 obs
● 2026-06-03 10:08:18
○ 2026-07-16 19:35:10
○ 2026-07-18 09:56:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | c.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz | - |
| mertra.cz | ns1.siteground.net, ns2.siteground.net | - |
✅ Authoritative Response
Server:99.83.229.113
NS records: ns1.siteground.net, ns2.siteground.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mertra.cz (unsigned zone)
⏱️ Timing
Total: 1286ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
mertra.cz has two authoritative name servers — ns1.siteground.net and ns2.siteground.net.
mertra.cz shares its name server setup with other domains, including isomodelmanagement.com, cleaningservicescommercial.com, namsblog.com.ng and two others.
The name servers of mertra.cz overlap at least partially with those of other domains — among them vidavirtualsupport.com, fashiontasteapi.com, papalartifacts.com and two more.
Both ns1.siteground.net and ns2.siteground.net have a single IP address each — ns1.siteground.net resolves to 75.2.77.104 while ns2.siteground.net resolves to 99.83.229.113.