certai.com - robtex.com
certai.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 208.98.43.96🇺🇸 SHARKTECH-1208.98.43.0/24 | ||||||
| NS | www.certai.com ⭐ | ||||||
| A | 208.98.40.229🇺🇸 SHARKTECH-1208.98.40.0/24 | ||||||
| NS | ns1.4.cn ⚠️ Not in zone NS records | ||||||
| A | 107.167.27.66🇺🇸 SHARKTECH-1107.167.27.0/24 CMI (Customer Route) | ||||||
| NS | ns2.4.cn ⚠️ Not in zone NS records | ||||||
| A | 208.98.43.66🇺🇸 SHARKTECH-1208.98.43.0/24 | ||||||
| SOA | www.certai.comcertai@com 2008-08-03 #0 | ||||||
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=1784188182 | ||||||
Subdomains
www.certai.com |
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
●NSns1.4.cn2026-07-16 → 2026-07-16 · 3 obs
● 2026-07-16 00:06:44
● 2026-07-16 08:12:30
○NSns1.dsredirection.com2016-12-19 → 2016-12-19 · 3 obs
○ 2017-11-13 01:30:54
○ 2026-07-16 08:12:30
●NSns2.4.cn2026-07-16 → 2026-07-16 · 3 obs
● 2026-07-16 00:06:44
● 2026-07-16 08:12:30
○NSns2.dsredirection.com2016-12-19 → 2016-12-19 · 3 obs
○ 2017-11-13 01:30:54
○ 2026-07-16 08:12:30
●NSwww.certai.com2026-07-16 → 2026-07-16 · 3 obs
● 2026-07-16 00:06:44
● 2026-07-16 08:12:30
○A141.8.230.202016-12-19 → 2016-12-19 · 3 obs
○ 2017-11-13 01:30:54
○ 2026-07-16 08:12:30
●A208.98.43.962026-07-16 → 2026-07-16 · 3 obs
● 2026-07-16 00:06:44
● 2026-07-16 08:12:30
○CNAMEpres.serverhome.com2016-12-19 → 2017-11-13 · 4 obs
● 2017-11-13 01:30:54
○ 2026-07-16 00:06:44
○ 2026-07-16 08:12:30
○CNAMEthie5ku9.dsgeneration.com2016-12-19 → 2016-12-19 · 3 obs
○ 2017-11-13 01:30:54
○ 2026-07-16 08:12:30
○PTRns1.dsredirection.com2016-12-19 → 2016-12-19 · 3 obs
○ 2017-11-13 01:30:54
○ 2026-07-16 08:12:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net... | - |
| certai.com | ns1.4.cn, ns2.4.cn | - |
✅ Authoritative Response
Server:208.98.43.66
NS records: ns1.4.cn, ns2.4.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for certai.com (unsigned zone)
⏱️ Timing
Total: 2144ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 208.98.43.96 |
| SOA | 1 | www.certai.com certai.com |
Analysis
Hierarchy
The domain www.certai.com falls under the parent certai.com.
IP Addresses
certai.com directs to one IP number, which is 208.98.43.96.
Among the host names that share IP numbers with certai.com are jgywj.com, izmtv.com, www.2013niandi147qixianggangziliao.333889.com and two others.
Name Servers
DNS for certai.com is handled by three authoritative name servers: ns1.4.cn, ns2.4.cn and www.certai.com.
At least some of certai.com's name servers are shared with other domains, for example tj-xinge.com, szdog.org, techclub.cn and two more.
These name servers tend to be deployed in combination with the name servers www.tj-xinge.com and www.techclub.cn.
ns1.4.cn, ns2.4.cn and www.certai.com all have one IP address each — ns1.4.cn directs to 107.167.27.66, ns2.4.cn directs to 208.98.43.66 and www.certai.com directs to 208.98.40.229.