avspeed.cz - robtex.com
avspeed.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=1778586435 | ||||||
Same first word
Similar names
DNS History
11 records (11 active, 0 former)
●NSns1.linode.com2026-03-29 → 2026-05-12 · 2 obs
● 2026-05-12 12:28:12
●NSns2.linode.com2026-03-29 → 2026-05-12 · 2 obs
● 2026-05-12 12:28:12
●NSns3.linode.com2026-03-29 → 2026-05-12 · 2 obs
● 2026-05-12 12:28:12
●NSns4.linode.com2026-03-29 → 2026-05-12 · 2 obs
● 2026-05-12 12:28:12
●NSns5.linode.com2026-03-29 → 2026-05-12 · 2 obs
● 2026-05-12 12:28:12
●MXalt1.aspmx.l.google.com2026-03-29 → 2026-05-12 · 2 obs
● 2026-05-12 12:28:12
●MXalt2.aspmx.l.google.com2026-03-29 → 2026-05-12 · 2 obs
● 2026-05-12 12:28:12
●MXalt3.aspmx.l.google.com2026-03-29 → 2026-05-12 · 2 obs
● 2026-05-12 12:28:12
●MXalt4.aspmx.l.google.com2026-03-29 → 2026-05-12 · 2 obs
● 2026-05-12 12:28:12
●MXaspmx.l.google.com2026-03-29 → 2026-05-12 · 2 obs
● 2026-05-12 12:28:12
●A172.233.37.692026-03-29 → 2026-05-12 · 2 obs
● 2026-05-12 12:28:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| avspeed.cz | ns3.linode.com, ns5.linode.com, ns4.linode.com, ns2.linode.com... | - |
✅ Authoritative Response
Server:92.123.95.4
NS records: ns3.linode.com, ns5.linode.com, ns4.linode.com, ns2.linode.com, ns1.linode.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for avspeed.cz (unsigned zone)
⏱️ Timing
Total: 3105ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.233.37.69 |
| NS | 5 | ns4.linode.com, ns1.linode.com... |
| MX | 5 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 1 | v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns1.linode.com lke-domains.mj41.cz |
Analysis
IP Addresses
avspeed.cz resolves to one IP number: 172.233.37.69.
Other host names including umet.cz, rakudo.cz, ufranty.cz and 172-233-37-69.ip.linodeusercontent.com share IP numbers with avspeed.cz.
Name Servers
avspeed.cz is delegated to five name servers: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com and ns5.linode.com.
avspeed.cz at least partially shares name servers with other domains, including oulipo.social, spark.ba, datetornado.com, sabaidiscuss.com and amplifyrecords.net.
Host names with two IP numbers:
ns1.linode.com points to: 2600:14c0:6::2 and 92.123.94.2.
ns2.linode.com points to: 2600:14c0:6::3 and 92.123.94.3.
ns3.linode.com points to: 2600:14c0:7::3 and 92.123.95.3.
ns4.linode.com points to: 2600:14c0:7::4 and 92.123.95.4.
ns5.linode.com points to: 2600:14c0:7::2 and 92.123.95.2.
Mail Servers
avspeed.cz is handled by five mail servers: 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.
avspeed.cz shares at least some mail servers with other domains, for example m8w.com, dinamoworkshop.com, anywheredotexams.com, ns500742.ns500754.ns500754.ns500704.ns500671.ns500742.ns500704.ns500704.ns500688.ns500704.ns500671.ns500688.ns500291.ns500671.ns500666.ns500153.tenderladiesbz.com and ns500765.ns500699.ns500693.ns500699.ns500699.ns500699.ns500699.ns500699.ns500588.ns500588.ns500699.ns500588.ns500612.ns500612.ns500588.ns500112.dtrkdll.com.
these mail servers are often used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
aspmx.l.google.com points to: 2607:f8b0:4004:c25::1b and 64.233.180.27.
alt1.aspmx.l.google.com points to: 2800:3f0:4003:c0f::1b and 108.177.123.26.
alt2.aspmx.l.google.com points to: 2a00:1450:4013:c1e::1b and 192.178.213.26.
alt3.aspmx.l.google.com points to: 2607:f8b0:4023:1015::1a and 172.253.135.27.
alt4.aspmx.l.google.com points to: 2a00:1450:400c:c00::1a and 173.194.76.27.