coltek.com - robtex.com
coltek.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=1785703447 | ||||||
Same first word
Similar names
DNS History
14 records (7 active, 7 former)
●NSdns1.name-services.com2015-07-22 → 2026-08-02 · 2 obs
● 2026-08-02 20:58:26
●NSdns2.name-services.com2015-07-22 → 2026-08-02 · 2 obs
● 2026-08-02 20:58:26
●NSdns3.name-services.com2015-07-22 → 2026-08-02 · 2 obs
● 2026-08-02 20:58:26
●NSdns4.name-services.com2015-07-22 → 2026-08-02 · 2 obs
● 2026-08-02 20:58:26
●NSdns5.name-services.com2015-07-22 → 2026-08-02 · 2 obs
● 2026-08-02 20:58:26
○MXeforwardct.name-services.com2015-07-22 → 2015-07-22 · 3 obs
○ 2015-11-27 22:07:34
○ 2026-08-02 20:58:26
○MXeforwardct2.name-services.com2015-07-22 → 2015-07-22 · 3 obs
○ 2015-11-27 22:07:34
○ 2026-08-02 20:58:26
○MXeforwardct3.name-services.com2015-07-22 → 2015-07-22 · 3 obs
○ 2015-11-27 22:07:34
○ 2026-08-02 20:58:26
○MXmx.mail2.name-services.com2015-11-27 → 2016-12-02 · 5 obs
● 2015-11-27 22:07:34
● 2016-12-02 09:53:58
○ 2017-06-19 07:47:38
○ 2026-08-02 20:58:26
●MXmxdomain.qq.com2017-06-19 → 2026-08-02 · 3 obs
● 2017-06-19 07:47:38
● 2026-08-02 20:58:26
●A64.98.135.922026-06-19 → 2026-08-02 · 3 obs
● 2026-06-19 15:43:22
● 2026-08-02 20:58:26
○A98.124.198.12015-07-22 → 2015-07-22 · 3 obs
○ 2017-06-19 07:47:38
○ 2026-08-02 20:58:26
○A98.124.199.12015-07-22 → 2015-07-22 · 3 obs
○ 2015-11-27 22:07:34
○ 2026-08-02 20:58:26
○A98.124.199.922015-11-27 → 2017-06-19 · 5 obs
● 2015-11-27 22:07:34
● 2017-06-19 07:47:38
○ 2026-06-19 15:43:22
○ 2026-08-02 20:58:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| coltek.com | dns1.name-services.com, dns2.name-services.com, dns3.name-services.com, dns4.name-services.com... | 10 records |
✅ Authoritative Response
Server:64.98.148.138
NS records: dns1.name-services.com, dns2.name-services.com, dns3.name-services.com, dns4.name-services.com, dns5.name-services.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coltek.com (unsigned zone)
⏱️ Timing
Total: 297ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 64.98.135.92 |
| NS | 5 | dns3.name-services.com, dns4.name-services.com... |
| MX | 1 | mxdomain.qq.com (pri: 10) |
| SOA | 1 | dns1.name-services.com info.name-service |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (dns1.name-services.com, dns1.name-services.com, dns2.name-services.com...)
Analysis
IP Addresses
coltek.com points to a single IP number: 64.98.135.92.
Additional host names — southcarolinatax.com, myboulle.org, neoag.com and two others — share IP numbers with coltek.com.
Name Servers
Delegation for coltek.com is to five name servers: dns1.name-services.com, dns2.name-services.com, dns3.name-services.com and two others.
The name servers of coltek.com overlap at least partially with those of other domains — among them tehran.us, ruraldatastudio.com, veyselcajon.com and two more.
These name servers commonly appear alongside the name servers dns4.name-services.com and dns5.name-services.com.
Host names with two IP numbers:
The A records for dns1.name-services.com return 64.98.148.137 and 2604:4000:2800:2000:64:98:148:137.
The A records for dns2.name-services.com return 216.40.47.201 and 2604:4000:0:d:216:40:47:201.
The A records for dns3.name-services.com return 64.98.148.138 and 2604:4000:2800:2000:64:98:148:138.
The A records for dns4.name-services.com return 216.40.47.202 and 2604:4000:0:d:216:40:47:202.
The A records for dns5.name-services.com return 64.98.148.139 and 2604:4000:2800:2000:64:98:148:139.
Mail Servers
coltek.com has one mail server: mxdomain.qq.com.
coltek.com shares the same mail server setup as other domains, including richpeace.cn, 4938777.com, laoduan.com and two others.
coltek.com shares mail servers — at least in part — with other domains, including hiwmq.com, 85gn.com, marka.cn and two others.
The mail servers mxbiz1.qq.com and mxbiz2.qq.com are commonly paired with these mail servers.