optcore.com - robtex.com
optcore.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns1.afternic.com ⭐ | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| PTR | ns1.afternic.com | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.afternic.com | ||||||
| NS | ns2.afternic.com | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| PTR | ns2.afternic.com | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.afternic.comdns@jomax.net serial=1 | ||||||
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=1776985156 | ||||||
Subdomains
www.optcore.com |
Same first word
Similar names
DNS History
21 records (4 active, 17 former)
○NSdns1.name-services.com2017-04-10 → 2017-04-10 · 4 obs
● 2017-04-10 13:31:26
○ 2020-03-29 03:19:04
○ 2026-04-23 23:14:16
○NSdns1.tm-mc.com2008-03-16 → 2008-03-16 · 3 obs
○ 2015-06-13 17:06:18
○ 2026-04-23 23:14:16
○NSdns2.name-services.com2017-04-10 → 2017-04-10 · 4 obs
● 2017-04-10 13:31:26
○ 2020-03-29 03:19:04
○ 2026-04-23 23:14:16
○NSdns2.tm-mc.com2008-03-16 → 2008-03-16 · 3 obs
○ 2015-06-13 17:06:18
○ 2026-04-23 23:14:16
○NSdns3.name-services.com2017-04-10 → 2017-04-10 · 4 obs
● 2017-04-10 13:31:26
○ 2020-03-29 03:19:04
○ 2026-04-23 23:14:16
○NSdns4.name-services.com2017-04-10 → 2017-04-10 · 4 obs
● 2017-04-10 13:31:26
○ 2020-03-29 03:19:04
○ 2026-04-23 23:14:16
○NSdns5.name-services.com2017-04-10 → 2017-04-10 · 4 obs
● 2017-04-10 13:31:26
○ 2020-03-29 03:19:04
○ 2026-04-23 23:14:16
●NSns1.afternic.com2026-04-01 → 2026-04-23 · 3 obs
● 2026-04-01 15:41:14
● 2026-04-23 23:14:16
○NSns1.sedoparking.com2015-06-13 → 2016-04-20 · 5 obs
● 2015-06-13 17:06:18
● 2016-04-20 11:40:52
○ 2017-04-10 13:31:26
○ 2026-04-23 23:14:16
○NSns1.undeveloped.com2020-03-29 → 2020-03-29 · 4 obs
● 2020-03-29 03:19:04
○ 2026-04-01 15:41:14
○ 2026-04-23 23:14:16
●NSns2.afternic.com2026-04-01 → 2026-04-23 · 3 obs
● 2026-04-01 15:41:14
● 2026-04-23 23:14:16
○NSns2.sedoparking.com2015-06-13 → 2016-04-20 · 5 obs
● 2015-06-13 17:06:18
● 2016-04-20 11:40:52
○ 2017-04-10 13:31:26
○ 2026-04-23 23:14:16
○NSns2.undeveloped.com2020-03-29 → 2020-03-29 · 4 obs
● 2020-03-29 03:19:04
○ 2026-04-01 15:41:14
○ 2026-04-23 23:14:16
○MXmail.nickstel.com2015-06-13 → 2016-04-20 · 5 obs
● 2015-06-13 17:06:18
● 2016-04-20 11:40:52
○ 2017-04-10 13:31:26
○ 2026-04-23 23:14:16
●A13.248.169.482026-04-01 → 2026-04-23 · 3 obs
● 2026-04-01 15:41:14
● 2026-04-23 23:14:16
○A216.239.32.212017-04-10 → 2017-04-10 · 4 obs
● 2017-04-10 13:31:26
○ 2020-03-29 03:19:04
○ 2026-04-23 23:14:16
○A2a05:d014:9da:8c10:306e:3e07:a16f:a5522020-03-29 → 2020-03-29 · 4 obs
● 2020-03-29 03:19:04
○ 2026-04-01 15:41:14
○ 2026-04-23 23:14:16
○A52.58.78.162020-03-29 → 2020-03-29 · 4 obs
● 2020-03-29 03:19:04
○ 2026-04-01 15:41:14
○ 2026-04-23 23:14:16
○A64.226.252.712008-03-16 → 2008-03-16 · 3 obs
○ 2015-06-13 17:06:18
○ 2026-04-23 23:14:16
○A72.52.4.912015-06-13 → 2016-04-20 · 5 obs
● 2015-06-13 17:06:18
● 2016-04-20 11:40:52
○ 2017-04-10 13:31:26
○ 2026-04-23 23:14:16
●A76.223.54.1462026-04-01 → 2026-04-23 · 3 obs
● 2026-04-01 15:41:14
● 2026-04-23 23:14:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| optcore.com | ns1.afternic.com, ns2.afternic.com | 4 records |
✅ Authoritative Response
Server:97.74.98.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optcore.com (unsigned zone)
⏱️ Timing
Total: 94ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)
Analysis
Hierarchy
The parent of www.optcore.com is optcore.com.
IP Addresses
optcore.com resolves to two IP numbers: 13.248.169.48 and 76.223.54.146.
Other host names, for instance kjuy.simplemedicine.com, www.nnni.net, mail.bioecotech.com, dtte.com and arehotel.com share IP numbers with optcore.com.
Name Servers
Two name servers ns1.afternic.com and ns2.afternic.com handle delegation for optcore.com.
optcore.com uses the same name server setup as other domains, for example mail.lolsum.com, mail.asnet.co, ns2.itstimetothink.com, hostmaster.fdasia.com and phantomnet.com.
optcore.com partially shares name servers with other domains; examples include ony.eu, spataxi.com, gorgiev.com, neoss.org and thailandroute.com.
these name servers are commonly used with the name servers verification-d3jclucsp89ganyqbydeny.ns101.verify.hn.
Host names with two IP numbers:
ns1.afternic.com points to: 2603:5:2126::45 and 97.74.98.69
ns2.afternic.com points to: 2603:5:2226::45 and 173.201.66.69