optimacheck.com - dns.ninja

optimacheck.com

DNSSEC⚠️ Not signed
A188.94.12.9🇪🇸 INTERCOMGI-BCN188.94.8.0/21 FHIOS BCN allocated PA block
PTRwww9v2.fhios.es
NSdns1.fhios.es ⭐
A188.94.12.4🇪🇸 INTERCOMGI-BCN188.94.8.0/21 FHIOS BCN allocated PA block
PTRdns1.fhios.es
NSdns2.fhios.es
A52.157.86.158🇳🇱 Microsoft52.152.0.0/13 MICROSOFT
NSdns3.fhios.net
A188.94.12.6🇪🇸 INTERCOMGI-BCN188.94.8.0/21 FHIOS BCN allocated PA block
PTRdns3.fhios.net
MXmail02.fhios.es ⭐
A188.94.12.206🇪🇸 INTERCOMGI-BCN188.94.8.0/21 FHIOS BCN allocated PA block
PTRmail02.fhios.es
MXmail.fhios.es(20)
A188.94.12.156🇪🇸 INTERCOMGI-BCN188.94.8.0/21 FHIOS BCN allocated PA block
PTRmail.fhios.es
TXTv=spf1 mx ip4:52.208.243.132/29 include:spf.optimacheck.com include:_spf.goog...
TXTSendinblue-code:4e35f36b7c4f858476640e6a4a33d2ac
SOAdns1.fhios.esdominios@fhios.es 2026-04-22 #2

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1781183913

Same first word

optimacheck.com

Similar names

checkoptima.net

DNS History

9 records (6 active, 3 former)

2017201820192020202120222023202420252026NSdns1.fhios.esdns2.fhios.esdns3.fhios.netMXmail.fhios.esmail02.fhios.esmx1.conzentra.commx4.conzentra.comA188.94.12.987.236.246.100
●NSdns1.fhios.es2016-12-20 → 2026-06-11 · 2 obs
● 2016-12-20 23:24:30
● 2026-06-11 13:32:00
●NSdns2.fhios.es2016-12-20 → 2026-06-11 · 2 obs
● 2016-12-20 23:24:30
● 2026-06-11 13:32:00
●NSdns3.fhios.net2016-12-20 → 2026-06-11 · 2 obs
● 2016-12-20 23:24:30
● 2026-06-11 13:32:00
●MXmail.fhios.es2026-05-20 → 2026-06-11 · 3 obs
○ 2016-12-20 23:24:30
● 2026-05-20 11:04:18
● 2026-06-11 13:32:00
●MXmail02.fhios.es2026-05-20 → 2026-06-11 · 3 obs
○ 2016-12-20 23:24:30
● 2026-05-20 11:04:18
● 2026-06-11 13:32:00
○MXmx1.conzentra.com2016-12-20 → 2016-12-20 · 3 obs
● 2016-12-20 23:24:30
○ 2026-05-20 11:04:18
○ 2026-06-11 13:32:00
○MXmx4.conzentra.com2016-12-20 → 2016-12-20 · 3 obs
● 2016-12-20 23:24:30
○ 2026-05-20 11:04:18
○ 2026-06-11 13:32:00
●A188.94.12.92026-05-20 → 2026-06-11 · 3 obs
○ 2016-12-20 23:24:30
● 2026-05-20 11:04:18
● 2026-06-11 13:32:00
○A87.236.246.1002016-12-20 → 2016-12-20 · 3 obs
● 2016-12-20 23:24:30
○ 2026-05-20 11:04:18
○ 2026-06-11 13:32:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net...-
optimacheck.comdns1.fhios.es, dns2.fhios.es, dns3.fhios.net-

✅ Authoritative Response

Server:188.94.12.4

NS records: dns1.fhios.es, dns2.fhios.es, dns3.fhios.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimacheck.com (unsigned zone)

⏱️ Timing

Total: 947ms | Queries: -

📄 Records

TypeCountSample Data
A1188.94.12.9
NS3dns2.fhios.es, dns3.fhios.net...
MX2mail02.fhios.es (pri: 20), mail.fhios.es (pri: 10)
TXT2Sendinblue-code:4e35f36b7c4f858476640e6a, v=spf1 mx ip4:52.208.243.132/29 include:
SOA1dns1.fhios.es dominios.fhios.es

Analysis

IP Addresses

optimacheck.com points to a single IP number: 188.94.12.9.

Additional host names — didac.cat, intercomgi.net, tradebeonline.com and two others — share IP numbers with optimacheck.com.

Name Servers

optimacheck.com is delegated to three name servers: dns1.fhios.es, dns2.fhios.es and dns3.fhios.net.

There is at least partial name server overlap between optimacheck.com and other domains — tradebe.co.uk, prefabricatsplanas.com, cnps.es and two more among them.

dns1.fhios.es, dns2.fhios.es and dns3.fhios.net each resolve to a single IP address: dns1.fhios.es resolves to 188.94.12.4, dns2.fhios.es resolves to 52.157.86.158 and dns3.fhios.net resolves to 188.94.12.6.

Mail Servers

optimacheck.com has two mail servers: mail02.fhios.es and mail.fhios.es.

optimacheck.com shares the same mail server setup as other domains, including sainzdelamaza.info, intercomgi.net, virtualsys.com and two others.

optimacheck.com shares mail servers — at least in part — with other domains, including tagirona.org, vicsportsafers.es, conzentra.es and two others.

These mail servers are frequently seen alongside the mail servers mail01.fhios.es.

mail02.fhios.es → 188.94.12.206 and mail.fhios.es → 188.94.12.156: one IP number per host name.