coltek.com - dns.ninja
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=1783226991 | ||||||
Same first word
Similar names
DNS History
14 records (7 active, 7 former)
●NSdns1.name-services.com2015-07-22 → 2026-07-05 · 2 obs
● 2026-07-05 05:14:24
●NSdns2.name-services.com2015-07-22 → 2026-07-05 · 2 obs
● 2026-07-05 05:14:24
●NSdns3.name-services.com2015-07-22 → 2026-07-05 · 2 obs
● 2026-07-05 05:14:24
●NSdns4.name-services.com2015-07-22 → 2026-07-05 · 2 obs
● 2026-07-05 05:14:24
●NSdns5.name-services.com2015-07-22 → 2026-07-05 · 2 obs
● 2026-07-05 05:14:24
○MXeforwardct.name-services.com2015-07-22 → 2015-07-22 · 3 obs
○ 2015-11-27 22:07:34
○ 2026-07-05 05:14:24
○MXeforwardct2.name-services.com2015-07-22 → 2015-07-22 · 3 obs
○ 2015-11-27 22:07:34
○ 2026-07-05 05:14:24
○MXeforwardct3.name-services.com2015-07-22 → 2015-07-22 · 3 obs
○ 2015-11-27 22:07:34
○ 2026-07-05 05:14:24
○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
○ 2026-07-05 05:14:24
●MXmxdomain.qq.com2017-06-19 → 2026-07-05 · 3 obs
● 2017-06-19 07:47:38
● 2026-07-05 05:14:24
●A64.98.135.922026-06-19 → 2026-07-05 · 3 obs
● 2026-06-19 15:43:22
● 2026-07-05 05:14:24
○A98.124.198.12015-07-22 → 2015-07-22 · 3 obs
○ 2017-06-19 07:47:38
○ 2026-07-05 05:14:24
○A98.124.199.12015-07-22 → 2015-07-22 · 3 obs
○ 2015-11-27 22:07:34
○ 2026-07-05 05:14:24
○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
○ 2026-07-05 05:14:24
🔍 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:216.40.47.202
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: 245ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 64.98.135.92 |
| NS | 5 | dns2.name-services.com, dns3.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 resolves to one IP address: 64.98.135.92.
southcarolinatax.com, neoag.com, m3a.com and two other host names share IP numbers with coltek.com.
Name Servers
coltek.com has five name servers, which are dns1.name-services.com, dns2.name-services.com, dns3.name-services.com and two others.
coltek.com has at least partial name server overlap with other domains, such as tehran.us, ruraldatastudio.com, veyselcajon.com and two others.
It is common to see these name servers used together with name servers dns4.name-services.com and dns5.name-services.com.
Hostnames that resolve to two IP addresses:
dns1.name-services.com maps to two IP addresses — 64.98.148.137 and 2604:4000:2800:2000:64:98:148:137.
dns2.name-services.com maps to two IP addresses — 216.40.47.201 and 2604:4000:0:d:216:40:47:201.
dns3.name-services.com maps to two IP addresses — 64.98.148.138 and 2604:4000:2800:2000:64:98:148:138.
dns4.name-services.com maps to two IP addresses — 216.40.47.202 and 2604:4000:0:d:216:40:47:202.
dns5.name-services.com maps to two IP addresses — 64.98.148.139 and 2604:4000:2800:2000:64:98:148:139.
Mail Servers
Mail for coltek.com is handled by a single mail server, mxdomain.qq.com.
coltek.com uses an identical mail server configuration to several other domains — among them richpeace.cn, 51mxd.com, moefou.org and two more.
coltek.com has at least partial mail server overlap with other domains such as hiwmq.com, 85gn.com, marka.cn and two more.
These mail servers tend to be used in combination with the mail servers mxbiz1.qq.com and mxbiz2.qq.com.