refoptimal.com - dns.ninja
refoptimal.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 164.68.103.106🇩🇪 CONTABO164.68.102.0/23 | ||||||
| PTR | vmi280049.contaboserver.net | ||||||
| A | 213.186.33.5🇫🇷 OVH213.186.32.0/19 ISP Paris, France | ||||||
| NS | dns13.ovh.net ⭐ | ||||||
| A | 2001:41d0:d00:f200::2🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | dns13.ovh.net | ||||||
| A | 5.135.98.29🇫🇷 OVH5.135.0.0/16 | ||||||
| PTR | dns13.ovh.net | ||||||
| NS | ns13.ovh.net | ||||||
| A | 2001:41d0:b00:ec00::2🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | ns13.ovh.net | ||||||
| A | 5.39.112.241🇫🇷 OVH5.39.0.0/17 ISP Paris, France | ||||||
| PTR | ns13.ovh.net | ||||||
| MX | mx4.mail.ovh.net ⭐ | ||||||
| A | 178.32.124.207🇫🇷 OVH178.32.0.0/15 ISP Paris, France | ||||||
| PTR | mx4.mail.ovh.net | ||||||
| MX | mx3.mail.ovh.net(10) | ||||||
| TXT | v=spf1 include:mx.ovh.com ~all | ||||||
| TXT | 1|www.refoptimal.com | ||||||
| SOA | dns13.ovh.nettech@ovh.net 2020-11-30 #0 | ||||||
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=1782614615 | ||||||
Same first word
refoptimal.com |
Similar names
DNS History
11 records (6 active, 5 former)
●NSdns13.ovh.net2020-01-10 → 2026-06-28 · 3 obs
● 2020-01-10 03:38:52
● 2026-06-28 03:08:34
○NSe1.nslite.net2015-05-11 → 2016-11-27 · 4 obs
● 2016-11-27 07:45:02
○ 2020-01-10 03:38:52
○ 2026-06-28 03:08:34
○NSe2.nslite.net2015-05-11 → 2016-11-27 · 4 obs
● 2016-11-27 07:45:02
○ 2020-01-10 03:38:52
○ 2026-06-28 03:08:34
●NSns13.ovh.net2020-01-10 → 2026-06-28 · 3 obs
● 2020-01-10 03:38:52
● 2026-06-28 03:08:34
○MXmail.refoptimal.com2015-05-11 → 2016-11-27 · 4 obs
● 2016-11-27 07:45:02
○ 2020-01-10 03:38:52
○ 2026-06-28 03:08:34
●MXmx3.mail.ovh.net2026-03-02 → 2026-06-28 · 3 obs
● 2026-03-02 15:52:04
● 2026-06-28 03:08:34
●MXmx4.mail.ovh.net2026-03-02 → 2026-06-28 · 3 obs
● 2026-03-02 15:52:04
● 2026-06-28 03:08:34
○MXredirect.ovh.net2020-01-10 → 2020-01-10 · 4 obs
● 2020-01-10 03:38:52
○ 2026-03-02 15:52:04
○ 2026-06-28 03:08:34
●A164.68.103.1062020-01-10 → 2026-06-28 · 3 obs
● 2020-01-10 03:38:52
● 2026-06-28 03:08:34
○A178.32.54.202015-05-11 → 2016-11-27 · 4 obs
● 2016-11-27 07:45:02
○ 2020-01-10 03:38:52
○ 2026-06-28 03:08:34
●A213.186.33.52020-01-10 → 2026-06-28 · 3 obs
● 2020-01-10 03:38:52
● 2026-06-28 03:08:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| refoptimal.com | ns13.ovh.net, dns13.ovh.net | - |
✅ Authoritative Response
Server:5.39.112.241
NS records: ns13.ovh.net, dns13.ovh.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for refoptimal.com (unsigned zone)
⏱️ Timing
Total: 519ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 213.186.33.5, 164.68.103.106 |
| NS | 2 | dns13.ovh.net, ns13.ovh.net |
| MX | 2 | mx4.mail.ovh.net (pri: 1), mx3.mail.ovh.net (pri: 10) |
| TXT | 2 | 1|www.refoptimal.com, v=spf1 include:mx.ovh.com ~all |
| SOA | 1 | dns13.ovh.net tech.ovh.net |
Analysis
IP Addresses
refoptimal.com directs to two IP numbers, 164.68.103.106 and 213.186.33.5
Among the host names that share IP numbers with refoptimal.com are constellation.law, cytosial.healthcare, sc3i.fr and two others.
Name Servers
refoptimal.com uses two name servers for its delegation: dns13.ovh.net and ns13.ovh.net.
refoptimal.com has the same name server delegation as a number of other domains, such as fix-phones.fr, cimg.eu, elefil.com and two more.
The two host names dns13.ovh.net and ns13.ovh.net each have a pair of IP addresses: dns13.ovh.net has 5.135.98.29 and 2001:41d0:d00:f200::2, and ns13.ovh.net has 5.39.112.241 and 2001:41d0:b00:ec00::2.
Mail Servers
The MX records for refoptimal.com point to two mail servers: mx3.mail.ovh.net and mx4.mail.ovh.net.
refoptimal.com has the same mail server arrangement as a number of other domains, for example siderhome.fr, ip-5-196-66.eu, benvengudo-provence.com and two more.
refoptimal.com shares at least some of its mail servers with other domains — for example box.archi, moveandreborn.fr, pocketoffice.fr and two more.
The mail servers mx1.mail.ovh.net, mx2.mail.ovh.net and mx0.mail.ovh.net frequently co-occur with these mail servers.
Hosts that resolve to one IP address:
mx4.mail.ovh.net has the IP address 178.32.124.207.