optics-hk.com - robtex.com
optics-hk.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.38.81.248🇭🇰 AS401696103.38.80.0/23 Proxy-registered route object | ||||||
| NS | dns3.4cun.com ⭐ | ||||||
| NS | dns.4cun.com ⚠️ Not in zone NS records | ||||||
| NS | dns4.51dns.top ⚠️ Not in zone NS records | ||||||
| A | 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8🇨🇳 Alibaba-Cloud2408:4005::/33 | ||||||
| A | 219.138.102.210🇨🇳 CHINATELECOM-HUBEI-YICHANG-IDC219.138.102.0/24 yichang | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| SOA | dns.4cun.comadmin@optics-hk.com serial=1773649069 | ||||||
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=1785252007 | ||||||
Same first word
optics-hk.com |
Similar names
DNS History
12 records (6 active, 6 former)
●NSdns.4cun.com2026-06-01 → 2026-07-28 · 3 obs
● 2026-06-01 21:16:42
● 2026-07-28 15:28:24
●NSdns3.4cun.com2026-06-01 → 2026-07-28 · 3 obs
● 2026-06-01 21:16:42
● 2026-07-28 15:28:24
●NSdns4.51dns.top2026-06-01 → 2026-07-28 · 3 obs
● 2026-06-01 21:16:42
● 2026-07-28 15:28:24
○NSns1.optics-hk.com2015-08-22 → 2018-07-23 · 4 obs
● 2018-07-23 11:48:26
○ 2026-06-01 21:16:42
○ 2026-07-28 15:28:24
○MXmx34.dns.com.cn2015-08-22 → 2016-03-04 · 4 obs
● 2016-03-04 04:27:46
○ 2017-01-16 00:58:28
○ 2026-07-28 15:28:24
●MXmxbiz1.qq.com2017-01-16 → 2026-07-28 · 3 obs
● 2017-01-16 00:58:28
● 2026-07-28 15:28:24
●MXmxbiz2.qq.com2017-01-16 → 2026-07-28 · 3 obs
● 2017-01-16 00:58:28
● 2026-07-28 15:28:24
○A103.31.75.1862015-08-22 → 2015-12-05 · 4 obs
● 2015-12-05 22:06:10
○ 2016-03-04 04:27:46
○ 2026-07-28 15:28:24
●A103.38.81.2482026-06-01 → 2026-07-28 · 3 obs
● 2026-06-01 21:16:42
● 2026-07-28 15:28:24
○A121.254.204.612016-03-04 → 2017-01-16 · 5 obs
● 2016-03-04 04:27:46
● 2017-01-16 00:58:28
○ 2018-07-23 11:48:26
○ 2026-07-28 15:28:24
○CNAMEhk.h206.dnsfj.com2015-08-22 → 2018-07-23 · 4 obs
● 2018-07-23 11:48:26
○ 2026-06-01 21:16:42
○ 2026-07-28 15:28:24
○CNAMEkr20461.slwl.net.cn2017-01-16 → 2017-01-16 · 4 obs
● 2017-01-16 00:58:28
○ 2018-07-23 11:48:26
○ 2026-07-28 15:28:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net... | - |
| optics-hk.com | dns3.4cun.com, dns4.51dns.top | 2 records |
✅ Authoritative Response
Server:61.172.183.74
NS records: dns3.4cun.com, dns4.51dns.top
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optics-hk.com (unsigned zone)
⏱️ Timing
Total: 1301ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.38.81.248 |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| SOA | 1 | dns.4cun.com admin.optics-hk.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns3.4cun.com, dns3.4cun.com)
Analysis
IP Addresses
optics-hk.com points to a single IP number: 103.38.81.248.
There are other host names — 88700.cn among them — that share IP numbers with optics-hk.com.
Name Servers
DNS for optics-hk.com is handled by three authoritative name servers: dns3.4cun.com, dns.4cun.com and dns4.51dns.top.
optics-hk.com shares at least some of its name servers with other domains, including sungo-ic.com, jinhuicq.com, qdgjzyyy.com and two others.
These name servers are frequently seen alongside dns6.51dns.top, ns3.4cun.com, ns4.4cun.com and 7 other name servers.
Host names with two IP numbers:
dns4.51dns.top has two IP addresses: 219.138.102.210 and 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8.
Mail Servers
optics-hk.com has two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
optics-hk.com shares the same mail server setup as other domains, including anlenotes.com, feiyustar.com, 3338.cn and two others.
optics-hk.com shares mail servers — at least in part — with other domains, including novelmist.com, soonjn.com, glyphara.com and two others.