mail.stringdata.cz - robtex.com
mail.stringdata.cz
| CNAME | sdmail2.sdserver.cz | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 212.158.143.88🇨🇿 BlueTone-AS212.158.128.0/19 BlueTone-CRa-CZ First address block | ||||||
stringdata.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 212.158.143.73🇨🇿 BlueTone-AS212.158.128.0/19 BlueTone-CRa-CZ First address block | ||||||
| NS | ns2.sdserver.cz ⭐ | ||||||
| NS | ns.sdserver.cz ⚠️ Not in parent delegation | ||||||
| NS | ns3.sdserver.cz | ||||||
| NS | ns4.sdserver.cz | ||||||
| MX | stringdata-cz.mail.protection.outlook.com ⭐ | ||||||
| TXT | google-site-verification=Eh4-zQnRooeoiPlFI-Jlyw0APG8ddxn71os3Kv2Zp5k | ||||||
| TXT | openai-domain-verification=dv-OTyAhNcHCInBsSb65Kbc4bvE | ||||||
| TXT | v=spf1 mx a ip4:212.158.143.0/25 ip4:84.244.96.128/26 a:sdmail.sdserver.cz a:... | ||||||
| TXT | MS=ms94482049 | ||||||
| TXT | google-site-verification=3Ovy9VbSti6OgPfZDwt-F7P4ZhtWRPoHRJJTWLzJ60E | ||||||
| TXT | google-site-verification=mram3YxqdbkzZvOrC5aGFVqjKCkqSDMZUdQyTMvBf1Y | ||||||
| SOA | ns.sdserver.czdns-admin@stringdata.cz 2026-03-30 #2 | ||||||
MX for
Previously MX for
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
○A212.158.143.882017-01-31 → 2017-01-31 · 3 obs
● 2017-01-31 22:53:30
○ 2026-03-01 03:58:28
○ 2026-05-10 06:54:52
○ 2026-03-01 03:58:28
○ 2026-05-10 06:54:52
●CNAMEsdmail2.sdserver.cz2017-01-31 → 2026-05-10 · 2 obs
● 2017-01-31 22:53:30
● 2026-05-10 06:54:52
● 2026-05-10 06:54:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| stringdata.cz | ns.sdserver.cz, ns2.sdserver.cz, ns3.sdserver.cz | 3 records |
✅ Authoritative Response
Server:212.158.143.10
NS records: ns.sdserver.cz, ns2.sdserver.cz, ns3.sdserver.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stringdata.cz (unsigned zone)
⏱️ Timing
Total: 813ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | sdmail2.sdserver.cz |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns.sdserver.cz, ns2.sdserver.cz, ns3.sdserver.cz)
Analysis
Mail Server Role
mail.stringdata.cz serves as the mail server for pbox.cz.
IP Addresses
mail.stringdata.cz points to a single IP address: 212.158.143.88.
Other host names, for instance sdmail2.sdserver.cz, share IP numbers with mail.stringdata.cz.