prefcomputers.com - robtex.com
prefcomputers.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.21.90.218🇲🇾 GIGABIT-1103.21.90.0/24 Gigabit Hosting Sdn Bhd 5-2, 3rd Mile Square 151, Jalan Klang Lama | ||||||
| NS | a.share-dns.com ⭐ | ||||||
| A | 172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | b.share-dns.net | ||||||
| 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=1769172787 | ||||||
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=1774431097 | ||||||
Subdomains
Same first word
prefcomputers.com |
DNS History
8 records (3 active, 5 former)
●NSa.share-dns.com2026-02-17 → 2026-03-25 · 3 obs
● 2026-02-17 00:44:40
● 2026-03-25 09:32:56
●NSb.share-dns.net2026-02-17 → 2026-03-25 · 3 obs
● 2026-02-17 00:44:40
● 2026-03-25 09:32:56
○NSns51.domaincontrol.com2015-05-14 → 2020-04-11 · 4 obs
● 2020-04-11 04:27:18
○ 2026-02-17 00:44:40
○ 2026-03-25 09:32:56
○NSns52.domaincontrol.com2015-05-14 → 2020-04-11 · 4 obs
● 2020-04-11 04:27:18
○ 2026-02-17 00:44:40
○ 2026-03-25 09:32:56
○MXinside.prefcomputers.com2015-05-14 → 2026-02-17 · 4 obs
● 2026-02-17 00:44:40
○ 2026-02-23 14:31:28
○ 2026-03-25 09:32:56
●A103.21.90.2182026-02-17 → 2026-03-25 · 3 obs
● 2026-02-17 00:44:40
● 2026-03-25 09:32:56
○A156.226.101.1032026-02-17 → 2026-03-25 · 2 obs
○ 2026-03-25 09:32:56
○A184.168.221.332015-05-14 → 2020-04-11 · 4 obs
● 2020-04-11 04:27:18
○ 2026-02-17 00:44:40
○ 2026-03-25 09:32:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| prefcomputers.com | a.share-dns.com, b.share-dns.net | 1 record |
✅ Authoritative Response
Server:172.64.53.25
NS records: a.share-dns.com, b.share-dns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for prefcomputers.com (unsigned zone)
⏱️ Timing
Total: 249ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.21.90.218 |
| 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 (a.share-dns.com)
Analysis
Hierarchy
prefcomputers.com is a parent of mail.prefcomputers.com and inside.prefcomputers.com.
IP Addresses
prefcomputers.com points to a single IP: 103.21.90.218.
Other host names, for instance kczixun.com, hunyanw.com, hzkde.com, get10.mp3-you.com and cdn.silentcache.com share IP numbers with prefcomputers.com.
Name Servers
Two name servers a.share-dns.com and b.share-dns.net handle delegation for prefcomputers.com.
prefcomputers.com uses the same name server setup as other domains, for example jcmodel.com, sdbofeng.com, gtzpbpo.cn, 52jwxx.com and qdchongwu.com.
prefcomputers.com partially shares name servers with other domains; examples include xsdbuy.com, jiangdiu.com, pdsldfgg.com, emyday.com and skt-life.com.
These name servers are commonly used alongside a1.share-dns.com, b1.share-dns.net, a5.share-dns.com, b5.share-dns.net, ns1.gname-dns.com, ns2.gname-dns.com, a12.share-dns.com, b12.share-dns.net, a4.share-dns.com and b4.share-dns.net.
Host names with one IP number: The host name a.share-dns.com points to 172.64.53.25 and the host name b.share-dns.net points to 172.64.52.239.