runrun.cz - robtex.com
runrun.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 136.244.87.122🇩🇪 AS-VULTR136.244.80.0/20 Vultr Assigned Prefix | ||||||
| PTR | 136.244.87.122.vultrusercontent.com | ||||||
| NS | ns1.vultr.com ⭐ | ||||||
| A | 2001:19f0:ccc::1🇺🇸 AS-VULTR2001:19f0:ccc::/48 DNS1 | ||||||
| A | 2001:19f0:ccd::1🇺🇸 AS-VULTR2001:19f0:ccd::/48 Vultr Assigned Prefix | ||||||
| PTR | ns1.vultr.com | ||||||
| A | 173.199.96.96🇺🇸 AS-VULTR173.199.96.0/24 Vultr Assigned Prefix | ||||||
| PTR | ns1.vultrusercontent.com | ||||||
| NS | ns2.vultr.com | ||||||
| A | 2001:19f0:ccc::2🇺🇸 AS-VULTR2001:19f0:ccc::/48 DNS1 | ||||||
| A | 2001:19f0:ccd::2🇺🇸 AS-VULTR2001:19f0:ccd::/48 Vultr Assigned Prefix | ||||||
| PTR | ns2.vultr.com | ||||||
| A | 173.199.96.97🇺🇸 AS-VULTR173.199.96.0/24 Vultr Assigned Prefix | ||||||
| PTR | ns2.vultrusercontent.com | ||||||
| MX | runrun.cz ⭐ | ||||||
| A | 136.244.87.122🇩🇪 AS-VULTR136.244.80.0/20 Vultr Assigned Prefix | ||||||
| PTR | 136.244.87.122.vultrusercontent.com | ||||||
| SOA | ns1.vultr.comdnsadm@choopa.com serial=0 | ||||||
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=1774999036 | ||||||
MX for
runrun.cz |
Same first word
runrun.com |
runrun.in |
runrun.pro |
runrun.ne.jp |
runrun.es |
runrun.co.uk |
runrun.com.tw |
runrun.it |
runrun.ru |
runrun.dk |
runrun.cz |
runrun.co |
Similar names
DNS History
4 records (4 active, 0 former)
●MXrunrun.cz2026-03-06 → 2026-03-31 · 2 obs
● 2026-03-31 23:54:10
●A136.244.87.1222026-03-06 → 2026-03-31 · 2 obs
● 2026-03-31 23:54:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| runrun.cz | ns1.vultr.com, ns2.vultr.com | - |
✅ Authoritative Response
Server:173.199.96.96
NS records: ns1.vultr.com, ns2.vultr.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for runrun.cz (unsigned zone)
⏱️ Timing
Total: 778ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 136.244.87.122 |
| NS | 2 | ns1.vultr.com, ns2.vultr.com |
| MX | 1 | runrun.cz (pri: 10) |
| SOA | 1 | ns1.vultr.com dnsadm.choopa.com |
Analysis
Mail Server Role
runrun.cz serves as the mail server for runrun.cz.
IP Addresses
runrun.cz resolves to one IP number: 136.244.87.122.
Name Servers
runrun.cz's delegation uses two name servers: ns1.vultr.com and ns2.vultr.com.
runrun.cz uses the same name server setup as other domains, such as fashionseoul.com, bumpup.net, piscine-direct-usine.com, gomdol.net and uffnet.com.
runrun.cz at least partially shares name servers with other domains, including bingsu.vn, allsaints-phoenix.org, peppersparties.com, designed-for-success.com and greenmountaingymnastics.com.
These name servers are commonly used with ns1.wpdns.host, ns2.wpdns.host and ns3.wpdns.host.
Host names with three IP numbers:
The host name ns1.vultr.com resolves to 2001:19f0:ccc::1, 2001:19f0:ccd::1 and 173.199.96.96.
The host name ns2.vultr.com resolves to 2001:19f0:ccc::2, 2001:19f0:ccd::2 and 173.199.96.97.
Mail Servers
runrun.cz is handled by a single mail server, runrun.cz.
Host name runrun.cz resolves to a single IP: 136.244.87.122.