sevtmail.cz - robtex.com
sevtmail.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 194.212.89.104🇨🇿 TMOBILE-CZ194.212.0.0/16 T-Mobile Czech Republic a.s. | ||||||
| PTR | smtp.sevt.cz | ||||||
| NS | ns.sprinx.cz ⭐ | ||||||
| A | 194.212.89.20🇨🇿 TMOBILE-CZ194.212.0.0/16 T-Mobile Czech Republic a.s. | ||||||
| PTR | ns.sprinx.cz | ||||||
| NS | ns2.livebox.cz ⚠️ Not in parent delegation | ||||||
| A | 193.86.189.132🇨🇿 TMOBILE-CZ193.86.0.0/16 T-Mobile Czech Republic a.s. | ||||||
| PTR | ns2.livebox.cz | ||||||
| NS | smudla.svamberk.cz ⚠️ Not in zone NS records | ||||||
| A | 80.188.171.249🇨🇿 O2-CZECH-REPUBLIC80.188.128.0/17 CZ.CZNET | ||||||
| MX | smtp.smartweb.cz ⭐ | ||||||
| A | 2001:1528:163:1::11🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network | ||||||
| PTR | undefined.hostname.localhost | ||||||
| A | 82.208.8.11🇨🇿 CASABLANCA-AS82.208.8.0/22 Casablanca INT | ||||||
| PTR | undefined.hostname.localhost | ||||||
| MX | slave.smartweb.cz(500) | ||||||
| A | 2a02:c202:2191:1236::1🇩🇪 CONTABO2a02:c202::/32 | ||||||
| PTR | hosting.e4you.cz | ||||||
| A | 93.184.79.44🇸🇰 VNET-AS93.184.64.0/20 VNET a.s. | ||||||
| PTR | 93.184.79.44.host.vnet.sk | ||||||
| SOA | ns.sprinx.czpostmaster@sprinx.cz 2012-03-28 #28 | ||||||
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=1777670236 | ||||||
Same first word
sevtmail.cz |
Similar names
DNS History
6 records (6 active, 0 former)
●NSns2.livebox.cz2015-07-10 → 2026-05-01 · 2 obs
● 2026-05-01 21:52:12
●NSsmudla.svamberk.cz2026-04-10 → 2026-05-01 · 3 obs
● 2026-04-10 10:28:28
● 2026-05-01 21:52:12
●MXslave.smartweb.cz2015-07-10 → 2026-05-01 · 2 obs
● 2026-05-01 21:52:12
●MXsmtp.smartweb.cz2015-07-10 → 2026-05-01 · 2 obs
● 2026-05-01 21:52:12
●A194.212.89.1042015-07-10 → 2026-05-01 · 2 obs
● 2026-05-01 21:52:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| sevtmail.cz | smudla.svamberk.cz, ns.sprinx.cz | 1 record |
✅ Authoritative Response
Server:80.188.171.249
NS records: smudla.svamberk.cz, ns.sprinx.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sevtmail.cz (unsigned zone)
⏱️ Timing
Total: 1199ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 194.212.89.104 |
| NS | 2 | ns2.livebox.cz, ns.sprinx.cz |
| MX | 2 | smtp.smartweb.cz (pri: 5), slave.smartweb.cz (pri: 500) |
| SOA | 1 | ns.sprinx.cz postmaster.sprinx.cz |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns.sprinx.cz)
Analysis
IP Addresses
sevtmail.cz resolves to a single IP: 194.212.89.104.
Other host names, for instance, dobryskolak.cz and sevt.eu share IP numbers with sevtmail.cz.
Name Servers
sevtmail.cz delegates to three name servers: ns2.livebox.cz, ns.sprinx.cz and smudla.svamberk.cz.
sevtmail.cz shares some name servers with other domains, for example mycue.eu, silmos-q.cz, dobrak.cz, leite-group.eu and skampa.cz.
These name servers are commonly paired with ns.livebox.cz, a.ns.livebox.cz, b.ns.livebox.cz, c.ns.livebox.cz, d.ns.livebox.cz, ns.sprinx.com and ns.sprinx.net.
Host names with a single IP: ns2.livebox.cz points to 193.86.189.132; ns.sprinx.cz points to 194.212.89.20; smudla.svamberk.cz points to 80.188.171.249.
Mail Servers
sevtmail.cz is served by two mail servers: slave.smartweb.cz and smtp.smartweb.cz.
sevtmail.cz shares the mail server setup with other domains, for example salesapp.cz, salesapp.sk, atmofix.cz, nolimits.cz and os-tap.cz.
sevtmail.cz shares some mail servers with other domains, at least partially; for instance mapcentrum.cz, virbac.cz, ekonomis.cz, advenio.sk and dobryskolak.cz.
These mail servers are commonly used alongside mail.sevt.cz, aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
Host names with two IP numbers:
slave.smartweb.cz points to: 2a02:c202:2191:1236::1 and 93.184.79.44; smtp.smartweb.cz points to: 2001:1528:163:1::11 and 82.208.8.11.