opticsmath.com - dns.ninja
opticsmath.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.234.136.74🇭🇰 YANCYLIMITED-AS-HK156.234.0.0/16 YANCY LIMITED | ||||||
| NS | a12.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 | b12.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=1780289261 | ||||||
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=1785178237 | ||||||
Same first word
opticsmath.com |
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DNS History
11 records (5 active, 6 former)
●NSa.share-dns.com2026-07-09 → 2026-07-27 · 3 obs
● 2026-07-09 07:15:16
● 2026-07-27 19:15:48
●NSa12.share-dns.com2026-07-09 → 2026-07-27 · 3 obs
● 2026-07-09 07:15:16
● 2026-07-27 19:15:48
●NSb.share-dns.net2026-07-09 → 2026-07-27 · 3 obs
● 2026-07-09 07:15:16
● 2026-07-27 19:15:48
●NSb12.share-dns.net2026-07-09 → 2026-07-27 · 3 obs
● 2026-07-09 07:15:16
● 2026-07-27 19:15:48
○NSns1.pendingrenewaldeletion.com2026-03-09 → 2026-03-09 · 4 obs
● 2026-03-09 23:31:18
○ 2026-03-28 13:11:22
○ 2026-07-27 19:15:48
○NSns2.pendingrenewaldeletion.com2026-03-09 → 2026-03-09 · 4 obs
● 2026-03-09 23:31:18
○ 2026-03-28 13:11:22
○ 2026-07-27 19:15:48
○NSns81.worldnic.com2019-01-30 → 2019-01-30 · 3 obs
○ 2026-03-09 23:31:18
○ 2026-07-27 19:15:48
○NSns82.worldnic.com2019-01-30 → 2019-01-30 · 3 obs
○ 2026-03-09 23:31:18
○ 2026-07-27 19:15:48
●A156.234.136.742026-07-09 → 2026-07-27 · 3 obs
● 2026-07-09 07:15:16
● 2026-07-27 19:15:48
○A174.129.25.1702019-01-30 → 2019-01-30 · 3 obs
○ 2026-03-09 23:31:18
○ 2026-07-27 19:15:48
○A208.91.197.1322026-03-09 → 2026-03-09 · 4 obs
● 2026-03-09 23:31:18
○ 2026-03-28 13:11:22
○ 2026-07-27 19:15:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net... | - |
| opticsmath.com | b12.share-dns.net, a12.share-dns.com | 1 record |
✅ Authoritative Response
Server:172.64.52.239
NS records: b12.share-dns.net, a12.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opticsmath.com (unsigned zone)
⏱️ Timing
Total: 311ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.234.136.74 |
| 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 (a12.share-dns.com)
Analysis
IP Addresses
opticsmath.com directs to one IP number, which is 156.234.136.74.
Name Servers
The domain opticsmath.com is delegated to these four name servers: a12.share-dns.com, a.share-dns.com, b12.share-dns.net and b.share-dns.net.
The name servers of opticsmath.com overlap at least partially with those of other domains — among them chicken-man.com, cxkongtiao.com, sourcefengda.com and two more.
These name servers commonly appear in delegations together with a10.share-dns.com, b10.share-dns.net, a4.share-dns.com and 7 other.
Each of a12.share-dns.com, a.share-dns.com, b12.share-dns.net and b.share-dns.net has a single IP address — a12.share-dns.com and a.share-dns.com direct to 172.64.53.25, and b12.share-dns.net and b.share-dns.net direct to 172.64.52.239.
a12.share-dns.com along with a.share-dns.com each resolve to 172.64.53.25 IP addresses.
b12.share-dns.net along with b.share-dns.net each resolve to 172.64.52.239 IP addresses.