optimal-tech.com - robtex.com
optimal-tech.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=1775430787 | ||||||
Same first word
optimal-tech.com |
optimal-tech.co.uk |
Similar names
DNS History
11 records (7 active, 4 former)
●NSns.onebit.org2015-07-07 → 2026-04-05 · 2 obs
● 2026-04-05 23:32:28
●MXns1.bdm.microsoftonline.com2015-07-07 → 2026-04-05 · 2 obs
● 2026-04-05 23:32:28
●MXns2.bdm.microsoftonline.com2015-07-07 → 2026-04-05 · 2 obs
● 2026-04-05 23:32:28
○MXoptimaltech-com01i.mail.eo.outlook.com2015-07-07 → 2017-01-10 · 4 obs
● 2017-01-10 09:12:00
○ 2018-01-06 05:51:46
○ 2026-04-05 23:32:28
●MXoptimaltech-com01i.mail.protection.outlook.com2018-01-06 → 2026-04-05 · 3 obs
● 2018-01-06 05:51:46
● 2026-04-05 23:32:28
○A178.238.37.1372015-11-16 → 2016-05-05 · 5 obs
● 2015-11-16 16:47:10
● 2016-05-05 10:18:18
○ 2017-01-10 09:12:00
○ 2026-04-05 23:32:28
○A178.238.37.1422017-01-10 → 2018-01-06 · 5 obs
● 2017-01-10 09:12:00
● 2018-01-06 05:51:46
○ 2026-03-06 18:03:10
○ 2026-04-05 23:32:28
●A62.109.154.332026-03-06 → 2026-04-05 · 3 obs
● 2026-03-06 18:03:10
● 2026-04-05 23:32:28
○A81.31.45.882015-07-07 → 2015-07-07 · 3 obs
○ 2015-11-16 16:47:10
○ 2026-04-05 23:32:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| optimal-tech.com | ns.onebit.cz, ns.onebit.org, ns.onebit.eu | - |
✅ Authoritative Response
Server:217.31.48.201
NS records: ns.onebit.cz, ns.onebit.org, ns.onebit.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optimal-tech.com (unsigned zone)
⏱️ Timing
Total: 820ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 62.109.154.33 |
| NS | 3 | ns.onebit.cz, ns.onebit.eu... |
| MX | 3 | optimaltech-com01i.mail.protection.outlo, ns1.bdm.microsoftonline.com (pri: 10)... |
| TXT | 2 | MS=ms96219282, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns.onebit.cz hostmaster.onebit.cz |
Analysis
IP Addresses
optimal-tech.com points to a single IP number: 62.109.154.33.
other host names for instance hostmaster.fotohanc.com, www.dent2e.com, baltica.cz, jhg.cz and ferep.cz share IP numbers with optimal-tech.com.
Name Servers
optimal-tech.com is delegated to three name servers: ns.onebit.cz, ns.onebit.eu and ns.onebit.org.
optimal-tech.com at least partially shares name servers with other domains, for instance ald-automotive.sk, ahura.cz, sebitech.cz, etani.cz and bilyujezd.cz.
Host names with two IP numbers:
Host ns.onebit.cz points to 2a00:1e40:a:53::5 and 185.65.223.35.
Host ns.onebit.eu points to 2001:1ab0:7e1e:2::5 and 217.31.48.201.
Host ns.onebit.org points to 2a03:b0c0:1:d0::1090:2001 and 178.62.60.201.
Mail Servers
optimal-tech.com is handled by three mail servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com and optimaltech-com01i.mail.protection.outlook.com.
optimal-tech.com shares mail servers with other domains at least partially, including tmghre.com, genexinc.ca, sptwnt.edu.vn, sevenya.com and ibunderwriters.com.
these mail servers are frequently used with ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com, aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com, aspmx3.googlemail.com and cisco-ci-domain-verification.
Host names with eight IPs:
optimaltech-com01i.mail.protection.outlook.com points to 2a01:111:f403:ca04::2, 2a01:111:f403:ca04::10, 2a01:111:f403:ca09::, 2a01:111:f403:ca09::e, 52.101.68.29, 52.101.68.36, 52.101.73.6 and 52.101.73.15.
Host names with two IPs: ns1.bdm.microsoftonline.com points to 2603:1061:0:700::d0 and 13.107.236.208; ns2.bdm.microsoftonline.com points to 2620:1ec:8ec:700::d0 and 150.171.21.208.