courtesypc.com - robtex.com
courtesypc.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=1786164829 | ||||||
Same first word
courtesypc.com |
Similar names
DNS History
7 records (4 active, 3 former)
●NSns25.domaincontrol.com2015-05-27 → 2026-08-08 · 2 obs
● 2026-08-08 05:21:16
●NSns26.domaincontrol.com2015-05-27 → 2026-08-08 · 2 obs
● 2026-08-08 05:21:16
●MXcourtesypc-com.mail.protection.outlook.com2026-03-02 → 2026-08-08 · 3 obs
● 2026-03-02 13:36:40
● 2026-08-08 05:21:16
○MXmailstore1.secureserver.net2015-05-27 → 2017-06-02 · 4 obs
● 2017-06-02 06:59:04
○ 2026-03-02 13:36:40
○ 2026-08-08 05:21:16
○MXsmtp.secureserver.net2015-05-27 → 2017-06-02 · 4 obs
● 2017-06-02 06:59:04
○ 2026-03-02 13:36:40
○ 2026-08-08 05:21:16
●A24.112.79.1872026-03-02 → 2026-08-08 · 3 obs
● 2026-03-02 13:36:40
● 2026-08-08 05:21:16
○A97.74.182.12015-05-27 → 2017-06-02 · 4 obs
● 2017-06-02 06:59:04
○ 2026-03-02 13:36:40
○ 2026-08-08 05:21:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| courtesypc.com | ns25.domaincontrol.com, ns26.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.102.13
NS records: ns25.domaincontrol.com, ns26.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for courtesypc.com (unsigned zone)
⏱️ Timing
Total: 163ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 24.112.79.187 |
| NS | 2 | ns25.domaincontrol.com, ns26.domaincontrol.com |
| MX | 1 | courtesypc-com.mail.protection.outlook.c |
| TXT | 3 | v=spf1 include:secureserver.net -all, google-site-verification=w7I-zwiFJFBbhZN... |
| SOA | 1 | ns25.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns25.domaincontrol.com, ns25.domaincontrol.com, ns26.domaincontrol.com...)
Analysis
IP Addresses
courtesypc.com points to a single IP number: 24.112.79.187.
Name Servers
DNS delegation for courtesypc.com points to two name servers: ns25.domaincontrol.com and ns26.domaincontrol.com.
courtesypc.com shares its name server setup with other domains, including cinamio.com, dynatronics.com, (0x736578)kamers.com and two others.
ns25.domaincontrol.com directs to 97.74.102.13 and 2603:5:2161::d. ns26.domaincontrol.com directs to 173.201.70.13 and 2603:5:2261::d. Each host name carries two IP addresses.
Mail Servers
courtesypc.com has one mail server: courtesypc-com.mail.protection.outlook.com.
courtesypc-com.mail.protection.outlook.com points to 8 IP numbers: 52.101.8.51, 52.101.10.1, 52.101.10.18 and 5 other.