course-learning.com - robtex.com
course-learning.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=1771291435 | ||||||
MX for
course-learning.com |
Up
www.course-learning.com |
Same first word
course-learning.com |
DNS History
11 records (11 active, 0 former)
●NSns-cloud-a1.googledomains.com2026-02-20 → 2026-02-20 · 2 obs
● 2026-02-20 20:27:24
●NSns-cloud-a2.googledomains.com2026-02-20 → 2026-02-20 · 2 obs
● 2026-02-20 20:27:24
●NSns-cloud-a3.googledomains.com2026-02-20 → 2026-02-20 · 2 obs
● 2026-02-20 20:27:24
●NSns-cloud-a4.googledomains.com2026-02-20 → 2026-02-20 · 2 obs
● 2026-02-20 20:27:24
●MXalt1.aspmx.l.google.com2026-02-20 → 2026-02-20 · 2 obs
● 2026-02-20 20:27:24
●MXalt2.aspmx.l.google.com2026-02-20 → 2026-02-20 · 2 obs
● 2026-02-20 20:27:24
●MXalt3.aspmx.l.google.com2026-02-20 → 2026-02-20 · 2 obs
● 2026-02-20 20:27:24
●MXalt4.aspmx.l.google.com2026-02-20 → 2026-02-20 · 2 obs
● 2026-02-20 20:27:24
●MXaspmx.l.google.com2026-02-20 → 2026-02-20 · 2 obs
● 2026-02-20 20:27:24
●MXcourse-learning.com2026-02-20 → 2026-02-20 · 2 obs
● 2026-02-20 20:27:24
●A18.117.168.932026-02-20 → 2026-02-20 · 2 obs
● 2026-02-20 20:27:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net... | - |
| course-learning.com | ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com | 8 records |
✅ Authoritative Response
Server: 216.239.38.106
NS records: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 544ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 18.117.168.93 |
| NS | 4 | ns-cloud-a4.googledomains.com, ns-cloud-a1.googledomains.com... |
| MX | 6 | course-learning.com (pri: 10), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 1 | v=spf1 mx:course-learning.com ip4:18.117 |
| SOA | 1 | ns-cloud-a1.googledomains.com cloud-dns- |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns-cloud-a1.googledomains.com, ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com...)
AI analysis
The parent of www.course-learning.com is course-learning.com.
The mail server for course-learning.com is course-learning.com.
aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com are commonly used mail servers together with course-learning.com.
course-learning.com points to a single IP address: 18.117.168.93.
Other host names, such as www.course-learning.com and ec2-18-117-168-93.us-east-2.compute.amazonaws.com, share IP numbers with course-learning.com.
course-learning.com is delegated to four name servers: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com and ns-cloud-a4.googledomains.com.
course-learning.com at least partially shares name servers with other domains, for example stainables.com, crosbylendlease.co.uk, tripolho.com, jakobcansler.com and auctionhemp.com.
Host names with two IP numbers:
ns-cloud-a1.googledomains.com points to: 2001:4860:4802:32::6a and 216.239.32.106
ns-cloud-a2.googledomains.com points to: 2001:4860:4802:34::6a and 216.239.34.106
ns-cloud-a3.googledomains.com points to: 2001:4860:4802:36::6a and 216.239.36.106
ns-cloud-a4.googledomains.com points to: 2001:4860:4802:38::6a and 216.239.38.106
Six mail servers handle course-learning.com: course-learning.com, aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
course-learning.com shares at least partially some mail servers with other domains, for instance ns500742.ns500731.ns500671.ns500731.ns500731.ns500671.ns500731.ns500705.tenderladiesbz.com, ns500698.ns500758.ns500758.ns500759.ns500698.ns500735.ns500736.ns500698.ns500735.ns500698.ns500708.ns500708.ns500686.ns500619.ns500576.trackreceptor.com, ns500671.ns500742.ns500754.ns500671.ns500671.ns500688.ns500671.ns500678.ns500705.ns500671.ns500649.ns500649.ns500666.ns500142.lustyslutz.com, ns500754.ns500742.ns500671.ns500671.ns500704.ns500742.ns500704.ns500705.ns500704.ns500666.ns500666.ns500291.ns500131.lustychickser.com and ns500754.ns500754.ns500731.ns500731.ns500754.ns500704.ns500704.ns500291.ns500649.ns500649.ns500291.ns500291.ns500291.ns500131.lustychickser.com.
these mail servers are often used together with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Hosts with two IPs:
aspmx.l.google.com points to: 2607:f8b0:4004:c19::1b and 172.253.62.27.
alt1.aspmx.l.google.com points to: 2607:f8b0:4003:c30::1b and 74.125.27.26.
alt2.aspmx.l.google.com points to: 2607:f8b0:4001:c70::1a and 192.178.209.26.
alt3.aspmx.l.google.com points to: 2607:f8b0:4024:c0d::1b and 192.178.152.26.
alt4.aspmx.l.google.com points to: 2607:f8b0:4023:403::1a and 142.250.96.27.
Hosts with one IP:
course-learning.com points to: 18.117.168.93.