kohlicek.com - robtex.com
kohlicek.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786175039 | ||||||
Same first word
kohlicek.com |
Similar names
DNS History
13 records (13 active, 0 former)
●MXalt1.aspmx.l.google.com2015-06-13 → 2026-08-08 · 2 obs
● 2026-08-08 07:57:08
●MXalt2.aspmx.l.google.com2015-06-13 → 2026-08-08 · 2 obs
● 2026-08-08 07:57:08
●MXaspmx.l.google.com2015-06-13 → 2026-08-08 · 2 obs
● 2026-08-08 07:57:08
●MXaspmx2.googlemail.com2015-06-13 → 2026-08-08 · 2 obs
● 2026-08-08 07:57:08
●MXaspmx3.googlemail.com2015-06-13 → 2026-08-08 · 2 obs
● 2026-08-08 07:57:08
●MXaspmx4.googlemail.com2015-06-13 → 2026-08-08 · 2 obs
● 2026-08-08 07:57:08
●MXaspmx5.googlemail.com2015-06-13 → 2026-08-08 · 2 obs
● 2026-08-08 07:57:08
●A216.239.32.212015-06-13 → 2026-08-08 · 2 obs
● 2026-08-08 07:57:08
●A216.239.34.212015-06-13 → 2026-08-08 · 2 obs
● 2026-08-08 07:57:08
●A216.239.36.212015-06-13 → 2026-08-08 · 2 obs
● 2026-08-08 07:57:08
●A216.239.38.212015-06-13 → 2026-08-08 · 2 obs
● 2026-08-08 07:57:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| kohlicek.com | ns.web4u.cz, ns2.web4u.cz | - |
✅ Authoritative Response
Server:85.207.53.12
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kohlicek.com (unsigned zone)
⏱️ Timing
Total: 737ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 216.239.32.21, 216.239.34.21... |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 7 | aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)... |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
Analysis
IP Addresses
kohlicek.com has four IP addresses: 216.239.32.21, 216.239.34.21, 216.239.36.21 and 216.239.38.21.
datafly.org, kalanamusic.com, hackmed.org and two other host names share IP numbers with kohlicek.com.
Name Servers
kohlicek.com uses two name servers for its delegation: ns2.web4u.cz and ns.web4u.cz.
kohlicek.com uses the same name servers as several other domains — among them moisidis.com, frontis.cz, 1795.eu and two more.
The two host names ns2.web4u.cz and ns.web4u.cz each have a pair of IP addresses: ns2.web4u.cz has 85.207.53.12 and 2a02:a40:100:28ff::12, and ns.web4u.cz has 185.14.224.241 and 2001:1568:fd::241.
Mail Servers
kohlicek.com is handled by 7 mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 4 other.
kohlicek.com has at least partial mail server overlap with other domains such as rocwiki.org, ns500754.ns500754.ns500731.ns500671.ns500754.ns500742.ns500742.ns500704.ns500704.ns500671.ns500671.ns500704.ns500678.ns500678.ns500688.ns500671.ns500649.lustychickser.com, skill-cut.com and two more.
These mail servers commonly co-occur with mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and 3 others.
Hostnames that resolve to two IP addresses:
aspmx2.googlemail.com directs traffic to 108.177.123.27 and 2800:3f0:4003:c0f::1a.
aspmx3.googlemail.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1a.
aspmx4.googlemail.com directs traffic to 192.178.223.26 and 2a00:1450:4009:c0f::1b.
aspmx5.googlemail.com directs traffic to 172.253.157.26 and 2a00:1450:400c:c23::1b.
aspmx.l.google.com directs traffic to 142.251.167.26 and 2607:f8b0:4004:c1d::1b.
alt1.aspmx.l.google.com directs traffic to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1a.
Both aspmx2.googlemail.com and alt1.aspmx.l.google.com resolve to 108.177.123.27 IP addresses each.
Both aspmx3.googlemail.com and alt2.aspmx.l.google.com resolve to 2a00:1450:400b:c02::1a IP addresses each.