courtesyaconline.com - robtex.com
courtesyaconline.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 20.3.147.243🇺🇸 Microsoft20.0.0.0/11 MICROSOFT | ||||||
| NS | ns1.highlevelmarketing.net ⭐ | ||||||
| A | 20.29.59.26🇺🇸 Microsoft20.0.0.0/11 MICROSOFT | ||||||
| NS | ns2.highlevelmarketing.net | ||||||
| A | 20.163.13.191🇺🇸 Microsoft20.160.0.0/12 MICROSOFT | ||||||
| NS | ns3.highlevelmarketing.net | ||||||
| A | 20.29.59.26🇺🇸 Microsoft20.0.0.0/11 MICROSOFT | ||||||
| NS | ns4.highlevelmarketing.net | ||||||
| A | 20.163.13.191🇺🇸 Microsoft20.160.0.0/12 MICROSOFT | ||||||
| MX | courtesyaconline.com ⭐ | ||||||
| A | 20.3.147.243🇺🇸 Microsoft20.0.0.0/11 MICROSOFT | ||||||
| TXT | v=spf1 ip4:20.3.147.243 +a +mx +ip4:172.98.65.37 ~all | ||||||
| SOA | ns1.highlevelmarketing.nettech@highlevelmarketing.com 2025-09-30 #9 | ||||||
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=1778646136 | ||||||
MX for
courtesyaconline.com |
Same first word
courtesyaconline.com |
DNS History
9 records (6 active, 3 former)
●NSns1.highlevelmarketing.net2026-04-03 → 2026-05-13 · 3 obs
● 2026-04-03 10:52:12
● 2026-05-13 04:29:14
○NSns1.tbccontentmanager.com2015-05-24 → 2017-06-09 · 4 obs
● 2017-06-09 09:45:26
○ 2026-04-03 10:52:12
○ 2026-05-13 04:29:14
●NSns2.highlevelmarketing.net2026-04-03 → 2026-05-13 · 3 obs
● 2026-04-03 10:52:12
● 2026-05-13 04:29:14
○NSns2.tbccontentmanager.com2015-05-24 → 2017-06-09 · 4 obs
● 2017-06-09 09:45:26
○ 2026-04-03 10:52:12
○ 2026-05-13 04:29:14
●NSns3.highlevelmarketing.net2026-04-03 → 2026-05-13 · 3 obs
● 2026-04-03 10:52:12
● 2026-05-13 04:29:14
●NSns4.highlevelmarketing.net2026-04-03 → 2026-05-13 · 3 obs
● 2026-04-03 10:52:12
● 2026-05-13 04:29:14
●MXcourtesyaconline.com2015-05-24 → 2026-05-13 · 2 obs
● 2026-05-13 04:29:14
○A173.193.244.2242015-05-24 → 2017-06-09 · 4 obs
● 2017-06-09 09:45:26
○ 2026-04-03 10:52:12
○ 2026-05-13 04:29:14
●A20.3.147.2432026-04-03 → 2026-05-13 · 3 obs
● 2026-04-03 10:52:12
● 2026-05-13 04:29:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net... | - |
| courtesyaconline.com | ns1.highlevelmarketing.net, ns2.highlevelmarketing.net, ns3.highlevelmarketing.net, ns4.highlevelmarketing.net | - |
✅ Authoritative Response
Server:20.163.13.191
NS records: ns1.highlevelmarketing.net, ns2.highlevelmarketing.net, ns3.highlevelmarketing.net, ns4.highlevelmarketing.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for courtesyaconline.com (unsigned zone)
⏱️ Timing
Total: 663ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 20.3.147.243 |
| NS | 4 | ns2.highlevelmarketing.net, ns3.highlevelmarketing.net... |
| MX | 1 | courtesyaconline.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:20.3.147.243 +a +mx +ip4:172. |
| SOA | 1 | ns1.highlevelmarketing.net tech.highleve |
Analysis
Mail Server Role
courtesyaconline.com serves as the mail server for courtesyaconline.com.
IP Addresses
courtesyaconline.com points to IP number 20.3.147.243.
For instance, other host names eysterkeylaw.com, asdt.com, robemans.com, kidone.org and alabamacomp.com share IP numbers with courtesyaconline.com.
Name Servers
courtesyaconline.com is delegated to four name servers: ns1.highlevelmarketing.net, ns2.highlevelmarketing.net, ns3.highlevelmarketing.net and ns4.highlevelmarketing.net.
courtesyaconline.com shares name servers with other domains at least partially, for example myfavhome.com, angelicasplacemi.com, sturdygrinding.com, schulteinsuranceagency.com and wasteremovalbags.com.
These name servers are commonly used with ns1.template.liquidweb.com.
Host names sharing one IP address:
The host name ns1.highlevelmarketing.net points to 20.29.59.26.
The host name ns2.highlevelmarketing.net points to 20.163.13.191.
The host name ns3.highlevelmarketing.net points to 20.29.59.26.
The host name ns4.highlevelmarketing.net points to 20.163.13.191.
Host names pointing to 20.29.59.26: ns1.highlevelmarketing.net and ns3.highlevelmarketing.net
Host names pointing to 20.163.13.191: ns2.highlevelmarketing.net and ns4.highlevelmarketing.net
Mail Servers
courtesyaconline.com is handled by a single mail server, courtesyaconline.com.
courtesyaconline.com points to a single IP: 20.3.147.243.