sprint.cz - robtex.com
sprint.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=1775936834 | ||||||
Same first word
Similar names
DNS History
15 records (7 active, 8 former)
○NSns1.one.cz2015-06-02 → 2016-12-05 · 4 obs
● 2016-12-05 04:24:18
○ 2020-01-09 05:18:02
○ 2026-04-11 20:13:40
○NSns1.parkingcrew.net2020-01-09 → 2020-01-09 · 4 obs
● 2020-01-09 05:18:02
○ 2026-03-27 12:27:44
○ 2026-04-11 20:13:40
●NSns1.websupport.cz2026-03-27 → 2026-04-11 · 3 obs
● 2026-03-27 12:27:44
● 2026-04-11 20:13:40
○NSns2.one.cz2015-06-02 → 2016-12-05 · 4 obs
● 2016-12-05 04:24:18
○ 2020-01-09 05:18:02
○ 2026-04-11 20:13:40
○NSns2.parkingcrew.net2020-01-09 → 2020-01-09 · 4 obs
● 2020-01-09 05:18:02
○ 2026-03-27 12:27:44
○ 2026-04-11 20:13:40
●NSns2.websupport.cz2026-03-27 → 2026-04-11 · 3 obs
● 2026-03-27 12:27:44
● 2026-04-11 20:13:40
●NSns3.websupport.eu2026-03-27 → 2026-04-11 · 3 obs
● 2026-03-27 12:27:44
● 2026-04-11 20:13:40
○MXmail.h-email.net2020-01-09 → 2020-01-09 · 3 obs
○ 2026-03-27 12:27:44
○ 2026-04-11 20:13:40
●MXsprint-cz.mail.protection.outlook.com2026-03-27 → 2026-04-11 · 3 obs
● 2026-03-27 12:27:44
● 2026-04-11 20:13:40
○A185.53.177.202015-06-02 → 2016-09-19 · 4 obs
● 2016-09-19 19:47:12
○ 2016-12-05 04:24:18
○ 2026-04-11 20:13:40
○A185.53.178.242020-01-09 → 2020-01-09 · 4 obs
● 2020-01-09 05:18:02
○ 2026-03-27 12:27:44
○ 2026-04-11 20:13:40
○A46.149.114.1312016-12-05 → 2016-12-05 · 4 obs
● 2016-12-05 04:24:18
○ 2020-01-09 05:18:02
○ 2026-04-11 20:13:40
●A82.208.18.672026-03-27 → 2026-04-11 · 3 obs
● 2026-03-27 12:27:44
● 2026-04-11 20:13:40
●A85.132.152.1832026-03-27 → 2026-04-11 · 3 obs
● 2026-03-27 12:27:44
● 2026-04-11 20:13:40
●A93.185.108.2542026-03-27 → 2026-04-11 · 3 obs
● 2026-03-27 12:27:44
● 2026-04-11 20:13:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| sprint.cz | ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu | - |
✅ Authoritative Response
Server:45.10.97.11
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: 1213ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 82.208.18.67, 85.132.152.183... |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| MX | 1 | sprint-cz.mail.protection.outlook.com (p |
| TXT | 4 | MS=ms53796136, apple-domain-verification=2W7lHBimZ4abt0... |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
IP Addresses
sprint.cz points to three IP numbers: 82.208.18.67, 85.132.152.183 and 93.185.108.254.
Other host names including landema.cz, landema.de, mamtechnika.cz, technoprocur.cz and ioznameni.cz share IP numbers with sprint.cz.
Name Servers
sprint.cz is delegated to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
sprint.cz at least partially shares name servers with other domains, including xk.cz, healthfactory.at, harlekyn.eu, david.cz and facecomm.cz.
these name servers are commonly used together with ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.
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
Mail Servers
sprint.cz is handled by a single mail server, sprint-cz.mail.protection.outlook.com.
Hostname sprint-cz.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::b, 2a01:111:f403:ca09::, 2a01:111:f403:ca09::1, 2a01:111:f403:ca09::c, 52.101.68.3, 52.101.68.39, 52.101.73.6 and 52.101.73.15.