coreoptic.com - robtex.com
coreoptic.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.247.81.116🇧🇷 GNET-AS9294156.247.80.0/20 | ||||||
| NS | a3.share-dns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | a.share-dns.com ⚠️ Not in zone NS records | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b.share-dns.net ⚠️ Not in zone NS records | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b3.share-dns.net ⚠️ Not in parent delegation | ||||||
| A | 172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1751505662 | ||||||
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=1774647827 | ||||||
Same first word
coreoptic.com |
Similar names
DNS History
17 records (5 active, 12 former)
●NSa.share-dns.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 22:06:32
●NSa3.share-dns.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 22:06:32
●NSb.share-dns.net2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 22:06:32
●NSb3.share-dns.net2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 22:06:32
○NSns13.xincache.com2015-07-26 → 2020-04-06 · 4 obs
● 2015-07-26 00:07:32
● 2020-04-06 00:01:44
○ 2026-03-27 22:06:32
○NSns14.xincache.com2015-07-26 → 2020-04-06 · 4 obs
● 2015-07-26 00:07:32
● 2020-04-06 00:01:44
○ 2026-03-27 22:06:32
○NSns7.syra.com.au2008-03-08 → 2008-03-08 · 3 obs
○ 2015-07-26 00:07:32
○ 2026-03-27 22:06:32
○NSns8.syra.com.au2008-03-08 → 2008-03-08 · 3 obs
○ 2015-07-26 00:07:32
○ 2026-03-27 22:06:32
○MXcoreoptic.com2008-03-08 → 2008-03-08 · 3 obs
○ 2015-07-26 00:07:32
○ 2026-03-27 22:06:32
○MXmxbiz1.qq.com2015-07-26 → 2020-04-06 · 4 obs
● 2015-07-26 00:07:32
● 2020-04-06 00:01:44
○ 2026-03-27 22:06:32
○MXmxbiz2.qq.com2015-07-26 → 2020-04-06 · 4 obs
● 2015-07-26 00:07:32
● 2020-04-06 00:01:44
○ 2026-03-27 22:06:32
○A142.0.129.2212015-07-26 → 2015-07-26 · 4 obs
● 2015-07-26 00:07:32
○ 2015-11-28 04:44:44
○ 2026-03-27 22:06:32
●A156.247.81.1162026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 22:06:32
○A198.56.215.392015-11-28 → 2016-03-10 · 5 obs
● 2015-11-28 04:44:44
● 2016-03-10 01:35:02
○ 2016-07-04 00:39:46
○ 2026-03-27 22:06:32
○A198.56.215.652016-07-04 → 2017-02-18 · 5 obs
● 2016-07-04 00:39:46
● 2017-02-18 23:23:58
○ 2020-04-06 00:01:44
○ 2026-03-27 22:06:32
○A203.170.82.682008-03-08 → 2008-03-08 · 3 obs
○ 2015-07-26 00:07:32
○ 2026-03-27 22:06:32
○A47.254.78.92020-04-06 → 2020-04-06 · 3 obs
● 2020-04-06 00:01:44
○ 2026-03-27 22:06:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| coreoptic.com | b3.share-dns.net, a3.share-dns.com | 1 record |
✅ Authoritative Response
Server:172.64.52.239
NS records: b3.share-dns.net, a3.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coreoptic.com (unsigned zone)
⏱️ Timing
Total: 366ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.247.81.116 |
| NS | 2 | a.share-dns.com, b.share-dns.net |
| SOA | 1 | a.share-dns.com master.share-dns.com |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (a3.share-dns.com)
Analysis
IP Addresses
coreoptic.com points to IP number 156.247.81.116.
Name Servers
coreoptic.com is delegated to four name servers: a3.share-dns.com, a.share-dns.com, b3.share-dns.net and b.share-dns.net.
coreoptic.com shares name servers with other domains at least partially, for example zhaodong7.com, hao7918.mobi, longxingmaoyi.com, xzzkhxt.com and js6711.com.
these name servers are often used with the following: a7.share-dns.com, b7.share-dns.net, a4.share-dns.com, b4.share-dns.net, a2.share-dns.com, b2.share-dns.net, a11.share-dns.com, b11.share-dns.net, a6.share-dns.com and b6.share-dns.net.
Host names with one IP number:
a3.share-dns.com points to: 172.64.53.25.
a.share-dns.com points to: 172.64.53.25.
b3.share-dns.net points to: 172.64.52.239.
b.share-dns.net points to: 172.64.52.239.
Host names pointing to 172.64.53.25: a3.share-dns.com and a.share-dns.com.
Host names pointing to 172.64.52.239: b3.share-dns.net and b.share-dns.net.