renref.com - dns.ninja
renref.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=1782601810 | ||||||
Same first word
Similar names
DNS History
13 records (7 active, 6 former)
●NSns1.savana.cz2026-04-06 → 2026-06-27 · 3 obs
● 2026-04-06 07:24:58
● 2026-06-27 23:16:40
○NSns1.web4ce.cz2015-08-10 → 2017-03-13 · 4 obs
● 2017-03-13 05:46:56
○ 2026-04-06 07:24:58
○ 2026-06-27 23:16:40
●NSns2.savana.cz2026-04-06 → 2026-06-27 · 3 obs
● 2026-04-06 07:24:58
● 2026-06-27 23:16:40
○NSns2.web4ce.cz2015-08-10 → 2017-03-13 · 4 obs
● 2017-03-13 05:46:56
○ 2026-04-06 07:24:58
○ 2026-06-27 23:16:40
●NSns3.savana.cz2026-04-06 → 2026-06-27 · 3 obs
● 2026-04-06 07:24:58
● 2026-06-27 23:16:40
●MXmx1.savana.cz2026-04-06 → 2026-06-27 · 3 obs
● 2026-04-06 07:24:58
● 2026-06-27 23:16:40
○MXmx1.web4ce.cz2015-08-10 → 2017-03-13 · 4 obs
● 2017-03-13 05:46:56
○ 2026-04-06 07:24:58
○ 2026-06-27 23:16:40
●MXmx2.savana.cz2026-04-06 → 2026-06-27 · 3 obs
● 2026-04-06 07:24:58
● 2026-06-27 23:16:40
○MXmx2.web4ce.cz2015-08-10 → 2017-03-13 · 4 obs
● 2017-03-13 05:46:56
○ 2026-04-06 07:24:58
○ 2026-06-27 23:16:40
○MXmx3.web4ce.cz2015-08-10 → 2017-03-13 · 4 obs
● 2017-03-13 05:46:56
○ 2026-04-06 07:24:58
○ 2026-06-27 23:16:40
●A2001:1ab0:7e1e:150:62:109:150:1122026-04-06 → 2026-06-27 · 3 obs
● 2026-04-06 07:24:58
● 2026-06-27 23:16:40
●A62.109.150.1122026-04-06 → 2026-06-27 · 3 obs
● 2026-04-06 07:24:58
● 2026-06-27 23:16:40
○A93.190.48.42015-08-10 → 2017-03-13 · 4 obs
● 2017-03-13 05:46:56
○ 2026-04-06 07:24:58
○ 2026-06-27 23:16:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net... | - |
| renref.com | ns1.savana.cz, ns2.savana.cz, ns3.savana.cz | - |
✅ Authoritative Response
Server:185.65.223.35
NS records: ns1.savana.cz, ns2.savana.cz, ns3.savana.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for renref.com (unsigned zone)
⏱️ Timing
Total: 785ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 62.109.150.112 |
| AAAA | 1 | 2001:1ab0:7e1e:150:62:109:150:112 |
| NS | 3 | ns2.savana.cz, ns3.savana.cz... |
| MX | 2 | mx2.savana.cz (pri: 20), mx1.savana.cz (pri: 10) |
| SOA | 1 | ns1.savana.cz hostmaster.savana.cz |
Analysis
IP Addresses
renref.com directs to two IP numbers, 62.109.150.112 and 2001:1ab0:7e1e:150:62:109:150:112
Among the host names that share IP numbers with renref.com are k2a550f86d.shopsun.cz, katule.cz, hrobak.com and two others.
Name Servers
DNS for renref.com is handled by three authoritative name servers: ns1.savana.cz, ns2.savana.cz and ns3.savana.cz.
renref.com partially shares its NS delegation with several other domains, including motorestpavov.cz, kovota.cz, rhc.cz and two others.
Three hostnames — ns1.savana.cz, ns2.savana.cz and ns3.savana.cz — each have two IP addresses: ns1.savana.cz has 185.65.223.35 and 2a00:1e40:a:53::5, ns2.savana.cz has 217.31.48.201 and 2001:1ab0:7e1e:2::5, and ns3.savana.cz has 178.62.60.201 and 2a03:b0c0:1:d0::1090:2001.
Mail Servers
The MX records for renref.com point to two mail servers: mx1.savana.cz and mx2.savana.cz.
renref.com has the same mail server arrangement as a number of other domains, for example spws.cz, nkservis.cz, comipa.cz and two more.
renref.com has mail servers in common with other domains — for example aquila-office.com, eveco.eu and drillandskill.com.
mx1.savana.cz resolves to 130.193.14.154. mx2.savana.cz resolves to 185.102.21.80. Both host names point to a single IP number.