tech300.com - robtex.com
tech300.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 137.175.112.22🇺🇸 PEGTECHINC137.175.64.0/18 PEG TECH INC | ||||||
| A | 137.175.112.23🇺🇸 PEGTECHINC137.175.64.0/18 PEG TECH INC | ||||||
| A | 137.175.112.24🇺🇸 PEGTECHINC137.175.64.0/18 PEG TECH INC | ||||||
| NS | a11.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 | ||||||
| PTR | ip-172-64-53-25.defastlink.net | ||||||
| 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 | ||||||
| PTR | ip-172-64-53-25.defastlink.net | ||||||
| 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 | ||||||
| PTR | ip-172-64-52-239.defastlink.net | ||||||
| NS | b11.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 | ||||||
| PTR | ip-172-64-52-239.defastlink.net | ||||||
| SOA | a.share-dns.commaster@share-dns.com serial=1766858639 | ||||||
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=1771291435 | ||||||
Subdomains
www.tech300.com |
Same first word
tech300.com |
Similar names
DNS History
19 records (7 active, 12 former)
●NSa.share-dns.com2026-03-04 → 2026-03-17 · 3 obs
● 2026-03-04 08:45:38
● 2026-03-17 21:05:36
●NSa11.share-dns.com2026-03-04 → 2026-03-17 · 3 obs
● 2026-03-04 08:45:38
● 2026-03-17 21:05:36
●NSb.share-dns.net2026-03-04 → 2026-03-17 · 3 obs
● 2026-03-04 08:45:38
● 2026-03-17 21:05:36
●NSb11.share-dns.net2026-03-04 → 2026-03-17 · 3 obs
● 2026-03-04 08:45:38
● 2026-03-17 21:05:36
○NSdns10.hichina.com2017-02-01 → 2017-02-01 · 4 obs
● 2017-02-01 18:38:46
○ 2020-01-04 08:13:56
○ 2026-03-17 21:05:36
○NSdns9.hichina.com2017-02-01 → 2017-02-01 · 4 obs
● 2017-02-01 18:38:46
○ 2020-01-04 08:13:56
○ 2026-03-17 21:05:36
○NSns1.maff.com2020-01-04 → 2020-01-04 · 4 obs
● 2020-01-04 08:13:56
○ 2026-03-04 08:45:38
○ 2026-03-17 21:05:36
○NSns2.maff.com2020-01-04 → 2020-01-04 · 4 obs
● 2020-01-04 08:13:56
○ 2026-03-04 08:45:38
○ 2026-03-17 21:05:36
○NSns57.domaincontrol.com2015-07-14 → 2015-07-14 · 3 obs
○ 2015-11-21 23:36:38
○ 2026-03-17 21:05:36
○NSns58.domaincontrol.com2015-07-14 → 2015-07-14 · 3 obs
○ 2015-11-21 23:36:38
○ 2026-03-17 21:05:36
○MXmailstore1.secureserver.net2015-07-14 → 2015-07-14 · 3 obs
○ 2015-11-21 23:36:38
○ 2026-03-17 21:05:36
○MXmxdomain.qq.com2017-02-01 → 2017-02-01 · 4 obs
● 2017-02-01 18:38:46
○ 2020-01-04 08:13:56
○ 2026-03-17 21:05:36
○MXsmtp.secureserver.net2015-07-14 → 2015-07-14 · 3 obs
○ 2015-11-21 23:36:38
○ 2026-03-17 21:05:36
○A122.114.45.1812017-02-01 → 2017-02-01 · 4 obs
● 2017-02-01 18:38:46
○ 2020-01-04 08:13:56
○ 2026-03-17 21:05:36
●A137.175.112.222026-03-04 → 2026-03-17 · 3 obs
● 2026-03-04 08:45:38
● 2026-03-17 21:05:36
●A137.175.112.232026-03-04 → 2026-03-17 · 3 obs
● 2026-03-04 08:45:38
● 2026-03-17 21:05:36
●A137.175.112.242026-03-04 → 2026-03-17 · 3 obs
● 2026-03-04 08:45:38
● 2026-03-17 21:05:36
○A146.148.156.1182020-01-04 → 2020-01-04 · 4 obs
● 2020-01-04 08:13:56
○ 2026-03-04 08:45:38
○ 2026-03-17 21:05:36
○A184.168.221.462015-07-14 → 2015-07-14 · 3 obs
○ 2015-11-21 23:36:38
○ 2026-03-17 21:05:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| tech300.com | b11.share-dns.net, a11.share-dns.com | 1 record |
✅ Authoritative Response
Server: 172.64.52.239
NS records: b11.share-dns.net, a11.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tech300.com (unsigned zone)
⏱️ Timing
Total: 532ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 137.175.112.22, 137.175.112.23... |
| 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 (a11.share-dns.com)
Analysis
Hierarchy
tech300.com is the parent of www.tech300.com.
IP Addresses
tech300.com resolves to three IP numbers: 137.175.112.22, 137.175.112.23 and 137.175.112.24.
For instance, other host names www.bjbatx.com, sxcllg.com, jsdnwuliao.com, 58doudou.com and dianliangyingyu.com share IP numbers with tech300.com.
Name Servers
tech300.com is delegated to four name servers: a11.share-dns.com, a.share-dns.com, b11.share-dns.net and b.share-dns.net.
tech300.com shares name servers with other domains at least partially, for example internationalworkersday.com, 121qx.com, lyceealumni.net, kuchinoya.com and rjcarchitects.com.
these name servers are often used with the following: a9.share-dns.com, b9.share-dns.net, a3.share-dns.com, b3.share-dns.net, a12.share-dns.com, b12.share-dns.net, a1.share-dns.com, b1.share-dns.net, a10.share-dns.com and b10.share-dns.net.
Host names with one IP number:
a11.share-dns.com points to: 172.64.53.25.
a.share-dns.com points to: 172.64.53.25.
b11.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: a11.share-dns.com and a.share-dns.com.
Host names pointing to 172.64.52.239: b11.share-dns.net and b.share-dns.net.