tanzer.cz - robtex.com
tanzer.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=1784497642 | ||||||
Same first word
tanzer.co |
tanzer.com.cn |
tanzer.ca |
tanzer.co.at |
tanzer.com |
tanzer.team |
tanzer.me |
tanzer.email |
tanzer.info |
tanzer.cz |
tanzer.co.za |
tanzer.bz |
tanzer.at |
tanzer.name |
tanzer.us |
tanzer.com.ar |
tanzer.de |
Similar names
DNS History
14 records (11 active, 3 former)
●NSns.grdns.cz2026-06-13 → 2026-07-19 · 3 obs
● 2026-06-13 08:35:16
● 2026-07-19 22:20:26
●NSns.grdns.it2026-06-13 → 2026-07-19 · 3 obs
● 2026-06-13 08:35:16
● 2026-07-19 22:20:26
○NSns1.smartweb.cz2015-07-11 → 2019-09-07 · 4 obs
● 2019-09-07 12:15:16
○ 2026-06-13 08:35:16
○ 2026-07-19 22:20:26
○NSns2.smartweb.cz2015-07-11 → 2019-09-07 · 4 obs
● 2019-09-07 12:15:16
○ 2026-06-13 08:35:16
○ 2026-07-19 22:20:26
○NSslave.smartweb.cz2015-07-11 → 2019-09-07 · 4 obs
● 2019-09-07 12:15:16
○ 2026-06-13 08:35:16
○ 2026-07-19 22:20:26
●MXalt1.aspmx.l.google.com2015-07-11 → 2026-07-19 · 2 obs
● 2026-07-19 22:20:26
●MXalt2.aspmx.l.google.com2015-07-11 → 2026-07-19 · 2 obs
● 2026-07-19 22:20:26
●MXaspmx.l.google.com2015-07-11 → 2026-07-19 · 2 obs
● 2026-07-19 22:20:26
●MXaspmx2.googlemail.com2015-07-11 → 2026-07-19 · 2 obs
● 2026-07-19 22:20:26
●MXaspmx3.googlemail.com2015-07-11 → 2026-07-19 · 2 obs
● 2026-07-19 22:20:26
●A216.239.32.212015-07-11 → 2026-07-19 · 2 obs
● 2026-07-19 22:20:26
●A216.239.34.212015-07-11 → 2026-07-19 · 2 obs
● 2026-07-19 22:20:26
●A216.239.36.212015-07-11 → 2026-07-19 · 2 obs
● 2026-07-19 22:20:26
●A216.239.38.212015-07-11 → 2026-07-19 · 2 obs
● 2026-07-19 22:20:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | 8 records |
| tanzer.cz | ns.grdns.cz, ns.grdns.it | 2 records |
✅ Authoritative Response
Server:81.2.194.104
NS records: ns.grdns.cz, ns.grdns.it
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tanzer.cz (unsigned zone)
⏱️ Timing
Total: 1264ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 216.239.32.21, 216.239.34.21... |
| NS | 2 | ns.grdns.cz, ns.grdns.it |
| MX | 5 | aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 2 | v=spf1 include:_spf.google.com ~all, google-site-verification=FiMQI90OiA4lfjP |
| SOA | 1 | ns.grdns.cz admin.forpsi.com |
📌 Glue Records Collected
Total: 10
In-bailiwick: 8 (a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz...)
Out-of-bailiwick: 2 (ns.grdns.cz, ns.grdns.cz)
Analysis
IP Addresses
tanzer.cz resolves to four IP addresses: 216.239.32.21, 216.239.34.21, 216.239.36.21 and 216.239.38.21.
Among the host names that share IP numbers with tanzer.cz are subi.tv, didgitalsence.com, nardmedia.com and two others.
Name Servers
The NS records for tanzer.cz delegate to ns.grdns.cz and ns.grdns.it.
tanzer.cz has the same name server delegation as a number of other domains, such as metylovice.cz, edb.net, lompraha.cz and two more.
ns.grdns.cz resolves to 81.2.194.104 and 2001:15e8:101:1::c268. Likewise, ns.grdns.it resolves to 95.110.254.167 and 2a00:6d41:2:1::7 — two IP addresses apiece.
Mail Servers
tanzer.cz is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
tanzer.cz shares at least some of its mail servers with other domains — for example poltekkestasikmalaya.ac.id.cdn.cloudflare.net, cislik.net, ns500742.ns500671.ns500671.ns500731.ns500671.ns500705.ns500688.ns500704.ns500704.ns500688.ns500688.ns500678.tenderladiesbz.com and two more.
It is common to find these mail servers paired with mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 more.
Hosts with two IP numbers each:
The A records for aspmx2.googlemail.com return 108.177.123.27 and 2800:3f0:4003:c0f::1b.
The A records for aspmx3.googlemail.com return 172.253.116.26 and 2a00:1450:400b:c02::1a.
The A records for aspmx.l.google.com return 142.250.31.27 and 2607:f8b0:4004:c19::1b.
The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1a.
The A records for alt2.aspmx.l.google.com return 172.253.116.27 and 2a00:1450:400b:c02::1b.
aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 108.177.123.27 IP addresses.