coolstreamtech.com - dns.ninja
coolstreamtech.com
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=1781486460 | ||||||
Same first word
coolstreamtech.com |
DNS History
8 records (6 active, 2 former)
●NSdns.bizcn.com2017-04-03 → 2026-06-15 · 3 obs
● 2017-04-03 02:15:00
● 2026-06-15 01:26:02
●NSns1.dns.com.cn2015-07-22 → 2026-06-15 · 2 obs
● 2026-06-15 01:26:02
●NSns2.dns.com.cn2015-07-22 → 2026-06-15 · 5 obs
● 2016-07-15 06:39:16
○ 2017-04-03 02:15:00
● 2020-02-20 19:12:50
● 2026-06-15 01:26:02
●MXmx.c3.icoremail.net2026-03-19 → 2026-06-15 · 3 obs
● 2026-03-19 07:09:02
● 2026-06-15 01:26:02
○MXmx14.dns.com.cn2015-07-22 → 2015-11-20 · 4 obs
● 2015-11-20 11:31:22
○ 2016-02-27 22:02:02
○ 2026-06-15 01:26:02
●MXmx2.c3.icoremail.net2026-03-19 → 2026-06-15 · 3 obs
● 2026-03-19 07:09:02
● 2026-06-15 01:26:02
○MXmx69.dns.com.cn2016-02-27 → 2020-02-20 · 5 obs
● 2016-02-27 22:02:02
● 2020-02-20 19:12:50
○ 2026-03-19 07:09:02
○ 2026-06-15 01:26:02
●A58.64.149.92015-07-22 → 2026-06-15 · 2 obs
● 2026-06-15 01:26:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, f.gtld-servers.net... | - |
| coolstreamtech.com | ns1.dns.com.cn, ns2.dns.com.cn | - |
✅ Authoritative Response
Server:61.172.183.70
NS records: ns1.dns.com.cn, ns2.dns.com.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coolstreamtech.com (unsigned zone)
⏱️ Timing
Total: 1182ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 58.64.149.9 |
| NS | 2 | ns2.dns.com.cn, ns1.dns.com.cn |
| MX | 2 | mx2.c3.icoremail.net (pri: 10), mx.c3.icoremail.net (pri: 5) |
| TXT | 1 | v=spf1 include:spf.icoremail.net -all |
| SOA | 1 | dns.bizcn.com abuse.bizcn.com |
Analysis
IP Addresses
coolstreamtech.com resolves to just one IP address, 58.64.149.9.
Other host names, such as hongye.cn, share IP numbers with coolstreamtech.com.
Name Servers
coolstreamtech.com is delegated to three name servers: dns.bizcn.com, ns1.dns.com.cn and ns2.dns.com.cn.
There is at least partial name server overlap between coolstreamtech.com and other domains — hxtsz.net, sjrx.com.cn, xmjianian.com and two more among them.
These name servers regularly appear alongside ns8.cnmsn.net, ns7.cnmsn.net, ns13.dns.com.cn and 4 other name servers in NS record sets.
ns1.dns.com.cn points to 61.172.183.70, 61.240.129.114 and 240c:4082:ffff:ff01:0:d:0:34a. ns2.dns.com.cn points to 61.172.183.76, 61.240.129.147 and 240c:4082:ffff:ff01:0:d:0:69. Both hosts resolve to three IP numbers.
Mail Servers
coolstreamtech.com is served by two mail servers, mx2.c3.icoremail.net and mx.c3.icoremail.net.
Among the domains sharing a mail server setup with coolstreamtech.com are ucs.hk, kingdoir.com, uni-tooling.com and two others.
There is at least a partial MX overlap between coolstreamtech.com and other domains, including qianfeng.com, morphyrichards.com, zhimingpump.com and two others.
Hostnames that map to three IP numbers:
mx.c3.icoremail.net points to 89.168.78.125, 139.162.158.182 and 165.154.163.126.
Host names that have two IP addresses:
mx2.c3.icoremail.net points to 59.111.193.91 and 59.111.193.92.