certplus.us - dns.ninja
certplus.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.152.147🇺🇸 Amazon3.33.144.0/20 | ||||||
| PTR | a4ec4c6ea1c92e2e6.awsglobalaccelerator.com | ||||||
| A | 15.197.142.173🇺🇸 Amazon15.197.128.0/20 | ||||||
| NS | ns21.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2141::b🇺🇸 GODADDY-DNS2603:5:2140::/44 | ||||||
| PTR | ns21.domaincontrol.com | ||||||
| A | 97.74.100.11🇺🇸 GODADDY-DNS97.74.100.0/23 | ||||||
| PTR | ns21.domaincontrol.com | ||||||
| NS | ns22.domaincontrol.com | ||||||
| A | 2603:5:2241::b🇺🇸 GODADDY-DNS2603:5:2240::/44 | ||||||
| PTR | ns22.domaincontrol.com | ||||||
| A | 173.201.68.11🇺🇸 GODADDY-DNS173.201.68.0/23 | ||||||
| PTR | ns22.domaincontrol.com | ||||||
| MX | certplus-us.mail.protection.outlook.com ⭐ | ||||||
| TXT | NETORGFT10875016.onmicrosoft.com | ||||||
| TXT | v=spf1 include:secureserver.net -all | ||||||
| SOA | ns21.domaincontrol.comdns@jomax.net 2022-06-20 #0 | ||||||
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1786777004 | ||||||
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSns21.domaincontrol.com2015-06-27 → 2026-08-15 · 2 obs
● 2026-08-15 07:17:24
●NSns22.domaincontrol.com2015-06-27 → 2026-08-15 · 2 obs
● 2026-08-15 07:17:24
●MXcertplus-us.mail.protection.outlook.com2026-03-25 → 2026-08-15 · 3 obs
● 2026-03-25 21:26:12
● 2026-08-15 07:17:24
○MXmailstore1.secureserver.net2015-06-27 → 2017-05-23 · 4 obs
● 2017-05-23 10:06:56
○ 2026-03-25 21:26:12
○ 2026-08-15 07:17:24
○MXsmtp.secureserver.net2015-06-27 → 2017-05-23 · 4 obs
● 2017-05-23 10:06:56
○ 2026-03-25 21:26:12
○ 2026-08-15 07:17:24
●A15.197.142.1732026-03-25 → 2026-08-15 · 3 obs
● 2026-03-25 21:26:12
● 2026-08-15 07:17:24
○A184.168.221.242015-06-27 → 2017-05-23 · 4 obs
● 2017-05-23 10:06:56
○ 2026-03-25 21:26:12
○ 2026-08-15 07:17:24
●A3.33.152.1472026-03-25 → 2026-08-15 · 3 obs
● 2026-03-25 21:26:12
● 2026-08-15 07:17:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | m.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us... | - |
| certplus.us | ns22.domaincontrol.com, ns21.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.100.11
NS records: ns22.domaincontrol.com, ns21.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for certplus.us (unsigned zone)
⏱️ Timing
Total: 705ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.142.173, 3.33.152.147 |
| NS | 2 | ns21.domaincontrol.com, ns22.domaincontrol.com |
| MX | 1 | certplus-us.mail.protection.outlook.com |
| TXT | 2 | NETORGFT10875016.onmicrosoft.com, v=spf1 include:secureserver.net -all |
| SOA | 1 | ns21.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
certplus.us points to the IP addresses 3.33.152.147 and 15.197.142.173
sazhin.us, houstonelectricsupply.com, definefitnessolympia.com and two other host names share IP numbers with certplus.us.
Name Servers
The NS records for certplus.us delegate to ns21.domaincontrol.com and ns22.domaincontrol.com.
certplus.us uses the same name servers as several other domains — among them g4e.co.uk, catoncompanies.com, grips.top and two more.
ns21.domaincontrol.com resolves to 97.74.100.11 and 2603:5:2141::b. Likewise, ns22.domaincontrol.com resolves to 173.201.68.11 and 2603:5:2241::b — two IP addresses apiece.
Mail Servers
Mail for certplus.us is handled by a single mail server, certplus-us.mail.protection.outlook.com.