opticore.sg - robtex.com
opticore.sg
sg
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ds.sgnic.sg ⭐ | ||||||
| NS | dsany2.sgnic.sg | ||||||
| NS | dsany3.sgnic.sg | ||||||
| NS | dsany4.sgnic.sg | ||||||
| NS | ns4.apnic.net ⚠️ Not in parent delegation | ||||||
| NS | pch.sgzones.sg | ||||||
| SOA | ds.sgnic.sgdna@sgnic.sg serial=2603150400 | ||||||
Same first word
opticore.mx |
opticore.org |
opticore.in |
opticore.eu |
opticore.cl |
opticore.com.au |
opticore.co.il |
opticore.fr |
opticore.se |
opticore.net |
opticore.com |
opticore.ru |
opticore.us |
opticore.sg |
opticore.international |
Similar names
DNS History
9 records (8 active, 1 former)
●NSns1.netnames.net2015-07-08 → 2026-03-24 · 2 obs
● 2026-03-24 00:59:48
●NSns2.netnames.net2015-07-08 → 2026-03-24 · 2 obs
● 2026-03-24 00:59:48
●NSns5.netnames.net2015-07-08 → 2026-03-24 · 2 obs
● 2026-03-24 00:59:48
●NSns6.netnames.net2015-07-08 → 2026-03-24 · 2 obs
● 2026-03-24 00:59:48
●MXrelay1.netnames.net2015-07-08 → 2026-03-24 · 2 obs
● 2026-03-24 00:59:48
●MXrelay2.netnames.net2015-07-08 → 2026-03-24 · 2 obs
● 2026-03-24 00:59:48
●A165.160.13.202020-02-05 → 2026-03-24 · 3 obs
● 2020-02-05 01:21:44
● 2026-03-24 00:59:48
●A165.160.15.202020-02-05 → 2026-03-24 · 3 obs
● 2020-02-05 01:21:44
● 2026-03-24 00:59:48
○A185.26.230.1292015-07-08 → 2017-02-11 · 4 obs
● 2017-02-11 21:51:40
○ 2020-02-05 01:21:44
○ 2026-03-24 00:59:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sg | dsany4.sgnic.sg, dsany3.sgnic.sg, pch.sgzones.sg, dsany2.sgnic.sg | - |
| opticore.sg | ns5.netnames.net, ns1.netnames.net, ns2.netnames.net, ns6.netnames.net | - |
✅ Authoritative Response
Server:156.154.131.100
NS records: ns5.netnames.net, ns1.netnames.net, ns2.netnames.net, ns6.netnames.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opticore.sg (unsigned zone)
⏱️ Timing
Total: 2100ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 165.160.15.20, 165.160.13.20 |
| NS | 4 | ns1.netnames.net, ns2.netnames.net... |
| MX | 2 | relay1.netnames.net (pri: 10), relay2.netnames.net (pri: 20) |
| SOA | 1 | ns1.netnames.net hostmaster.cscdns.net |
Analysis
IP Addresses
opticore.sg resolves to two IP numbers: 165.160.13.20 and 165.160.15.20.
other host names including vitalis.de, cdcns2.cdcla.com, dubaimediacity.com, icadeoffice.com and insureon19.com share IP numbers with opticore.sg.
Name Servers
opticore.sg is delegated to four name servers: ns1.netnames.net, ns2.netnames.net, ns5.netnames.net and ns6.netnames.net.
opticore.sg at least partially shares name servers with other domains, for instance aeroville.fr, tenonlink.net, officialwindowsmag.com, buyoutforum.co.uk and edhec.sg.
Host names with two IP numbers:
ns1.netnames.net points to: 2610:a1:1022::100 and 156.154.130.100
ns2.netnames.net points to: 2610:a1:1023::100 and 156.154.131.100
ns5.netnames.net points to: 2610:a1:1022::100 and 156.154.130.100
ns6.netnames.net points to: 2610:a1:1023::100 and 156.154.131.100
Host names that point to 2610:a1:1022::100: ns1.netnames.net and ns5.netnames.net
Host names that point to 156.154.130.100: ns1.netnames.net and ns5.netnames.net
Host names that point to 2610:a1:1023::100: ns2.netnames.net and ns6.netnames.net
Host names that point to 156.154.131.100: ns2.netnames.net and ns6.netnames.net
Mail Servers
Two mail servers handle opticore.sg: relay1.netnames.net and relay2.netnames.net.
opticore.sg shares the same mail server setup as other domains, for instance fairmontpresidentsclub.eu, luxuryportfoliointernational.eu, babyboots.net, ebookers.no and dodsevents.co.uk.
opticore.sg shares some mail servers with other domains, at least partially, for example cazenovecapital.org and rothenberger.us.
Host names with one IP number:
relay1.netnames.net points to 185.26.230.83
relay2.netnames.net points to 185.26.230.89