courseload.com - dns.ninja
courseload.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=1783141501 | ||||||
Subdomains
indiana.courseload.com |
Same first word
courseload.com |
Similar names
DNS History
16 records (9 active, 7 former)
○NSns-130.awsdns-16.com2015-08-20 → 2021-05-22 · 5 obs
● 2015-08-20 16:14:40
● 2021-05-22 11:17:58
○ 2026-06-03 11:26:14
○ 2026-07-04 05:15:18
○NSns-1507.awsdns-60.org2015-08-20 → 2021-05-22 · 5 obs
● 2015-08-20 16:14:40
● 2021-05-22 11:17:58
○ 2026-06-03 11:26:14
○ 2026-07-04 05:15:18
○NSns-1881.awsdns-43.co.uk2015-08-20 → 2021-05-22 · 5 obs
● 2015-08-20 16:14:40
● 2021-05-22 11:17:58
○ 2026-06-03 11:26:14
○ 2026-07-04 05:15:18
○NSns-517.awsdns-00.net2015-08-20 → 2021-05-22 · 5 obs
● 2015-08-20 16:14:40
● 2021-05-22 11:17:58
○ 2026-06-03 11:26:14
○ 2026-07-04 05:15:18
●NSns-cloud-b1.googledomains.com2026-06-03 → 2026-07-04 · 3 obs
● 2026-06-03 11:26:14
● 2026-07-04 05:15:18
●NSns-cloud-b2.googledomains.com2026-06-03 → 2026-07-04 · 3 obs
● 2026-06-03 11:26:14
● 2026-07-04 05:15:18
●NSns-cloud-b3.googledomains.com2026-06-03 → 2026-07-04 · 3 obs
● 2026-06-03 11:26:14
● 2026-07-04 05:15:18
●NSns-cloud-b4.googledomains.com2026-06-03 → 2026-07-04 · 3 obs
● 2026-06-03 11:26:14
● 2026-07-04 05:15:18
●MXalt1.aspmx.l.google.com2015-08-20 → 2026-07-04 · 3 obs
● 2015-08-20 16:14:40
● 2026-07-04 05:15:18
●MXalt2.aspmx.l.google.com2015-08-20 → 2026-07-04 · 3 obs
● 2015-08-20 16:14:40
● 2026-07-04 05:15:18
●MXaspmx.l.google.com2015-08-20 → 2026-07-04 · 3 obs
● 2015-08-20 16:14:40
● 2026-07-04 05:15:18
●MXaspmx2.googlemail.com2015-08-20 → 2026-07-04 · 3 obs
● 2015-08-20 16:14:40
● 2026-07-04 05:15:18
●MXaspmx3.googlemail.com2015-08-20 → 2026-07-04 · 3 obs
● 2015-08-20 16:14:40
● 2026-07-04 05:15:18
○A12.2.37.1572008-03-19 → 2008-03-19 · 3 obs
○ 2015-08-20 16:14:40
○ 2026-07-04 05:15:18
○A54.224.57.2212015-08-20 → 2016-09-06 · 5 obs
● 2015-08-20 16:14:40
● 2016-09-06 10:57:14
○ 2021-05-22 11:17:58
○ 2026-07-04 05:15:18
○CNAMEcourseload.net2008-03-19 → 2008-03-19 · 3 obs
○ 2015-08-20 16:14:40
○ 2026-07-04 05:15:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net... | - |
| courseload.com | ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com | 8 records |
✅ Authoritative Response
Server:216.239.32.107
NS records: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for courseload.com (unsigned zone)
⏱️ Timing
Total: 626ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-cloud-b3.googledomains.com, ns-cloud-b2.googledomains.com... |
| MX | 5 | aspmx2.googlemail.com (pri: 40), alt2.aspmx.l.google.com (pri: 30)... |
| TXT | 2 | google-site-verification=ULsn6pVcZ5BX1Bz, google-site-verification=4wGWMh84G2UX8sJ |
| SOA | 1 | ns-cloud-b1.googledomains.com cloud-dns- |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns-cloud-b1.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com...)
Analysis
Hierarchy
courseload.com is the parent zone for indiana.courseload.com.
Name Servers
The authoritative name servers for courseload.com are ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.
courseload.com partially shares its NS delegation with several other domains, including tempusdictum.com, stpaultennisclub.com, conchaconcha.com and two others.
ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com each carry two IP addresses. ns-cloud-b1.googledomains.com has 216.239.32.107 and 2001:4860:4802:32::6b; ns-cloud-b2.googledomains.com has 216.239.34.107 and 2001:4860:4802:34::6b; ns-cloud-b3.googledomains.com has 216.239.36.107 and 2001:4860:4802:36::6b; ns-cloud-b4.googledomains.com has 216.239.38.107 and 2001:4860:4802:38::6b.
Mail Servers
courseload.com is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
courseload.com has at least partial mail server overlap with other domains such as ns500794.ns500841.ns500795.ns500821.ns500794.ns500795.ns500821.ns500821.lustypartnersfinder.com, ns500699.ns500693.ns500699.ns500699.ns500693.ns500699.ns500693.ns500734.ns500588.ns500693.ns500699.ns500699.ns500693.ns500699.ns500602.dtrkdll.com, progenerp.com and two more.
These mail servers commonly co-occur with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.
Hostnames that resolve to two IP addresses:
The A records for aspmx2.googlemail.com return 108.177.123.27 and 2800:3f0:4003:c0f::1b.
The A records for aspmx3.googlemail.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.
The A records for aspmx.l.google.com return 64.233.180.26 and 2607:f8b0:4004:c1d::1b.
The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1b.
The A records for alt2.aspmx.l.google.com return 172.253.116.27 and 2a00:1450:400b:c02::1b.
aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 2800:3f0:4003:c0f::1b IP addresses.
aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 108.177.123.27 IP addresses.
aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 2a00:1450:400b:c02::1b IP addresses.