coursetender.com - dns.ninja
coursetender.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=1785950864 | ||||||
Same first word
coursetender.com |
Similar names
DNS History
13 records (8 active, 5 former)
○NScns1.yourdesignguys.com2016-12-17 → 2017-07-09 · 4 obs
● 2017-07-09 05:44:34
○ 2026-02-15 17:03:42
○ 2026-08-05 17:51:50
○NScns2.yourdesignguys.com2016-12-17 → 2017-07-09 · 4 obs
● 2017-07-09 05:44:34
○ 2026-02-15 17:03:42
○ 2026-08-05 17:51:50
●NSns43.domaincontrol.com2026-02-15 → 2026-08-05 · 3 obs
● 2026-02-15 17:03:42
● 2026-08-05 17:51:50
●NSns44.domaincontrol.com2026-02-15 → 2026-08-05 · 3 obs
● 2026-02-15 17:03:42
● 2026-08-05 17:51:50
●MXalt1.aspmx.l.google.com2016-12-17 → 2026-08-05 · 2 obs
● 2026-08-05 17:51:50
●MXalt2.aspmx.l.google.com2016-12-17 → 2026-08-05 · 2 obs
● 2026-08-05 17:51:50
○MXalt3.aspmx.l.google.com2016-12-17 → 2017-07-09 · 4 obs
● 2017-07-09 05:44:34
○ 2026-02-15 17:03:42
○ 2026-08-05 17:51:50
○MXalt4.aspmx.l.google.com2016-12-17 → 2017-07-09 · 4 obs
● 2017-07-09 05:44:34
○ 2026-02-15 17:03:42
○ 2026-08-05 17:51:50
●MXaspmx.l.google.com2016-12-17 → 2026-08-05 · 2 obs
● 2026-08-05 17:51:50
●MXaspmx2.googlemail.com2026-02-15 → 2026-08-05 · 3 obs
● 2026-02-15 17:03:42
● 2026-08-05 17:51:50
●MXaspmx3.googlemail.com2026-02-15 → 2026-08-05 · 3 obs
● 2026-02-15 17:03:42
● 2026-08-05 17:51:50
○A192.119.122.2252016-12-17 → 2017-07-09 · 4 obs
● 2017-07-09 05:44:34
○ 2026-02-15 17:03:42
○ 2026-08-05 17:51:50
●A50.28.11.1162026-02-15 → 2026-08-05 · 3 obs
● 2026-02-15 17:03:42
● 2026-08-05 17:51:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| coursetender.com | ns43.domaincontrol.com, ns44.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.101.22
NS records: ns43.domaincontrol.com, ns44.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coursetender.com (unsigned zone)
⏱️ Timing
Total: 137ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 50.28.11.116 |
| NS | 2 | ns43.domaincontrol.com, ns44.domaincontrol.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)... |
| SOA | 1 | ns43.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns43.domaincontrol.com, ns43.domaincontrol.com, ns44.domaincontrol.com...)
Analysis
IP Addresses
coursetender.com resolves to just one IP address, 50.28.11.116.
Two other host names, along with welcometoholiday.com, utahairducts.com and mail.legacy-realtors.com, also share IP numbers with coursetender.com.
Name Servers
coursetender.com uses two name servers for its delegation: ns43.domaincontrol.com and ns44.domaincontrol.com.
coursetender.com shares its NS records with other domains, for example mother-well.org, pixelich.de, greatprimedeals.com and two others.
coursetender.com partially shares its name servers with domains like 99.ca and vg-schoensee.de.
The two host names ns43.domaincontrol.com and ns44.domaincontrol.com each have a pair of IP addresses: ns43.domaincontrol.com has 97.74.101.22 and 2603:5:2152::16, and ns44.domaincontrol.com has 173.201.69.22 and 2603:5:2252::16.
Mail Servers
coursetender.com is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
There is at least a partial MX overlap between coursetender.com and other domains, including paulkuhngallery.com, ns500821.ns500794.ns500794.ns500821.ns500821.ns500794.ns500794.ns500821.ns500790.lustypartnersfinder.com, grasshopperapps.com and two others.
These mail servers tend to appear in combination with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.
Host names that have two IP addresses:
aspmx2.googlemail.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1a.
aspmx3.googlemail.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1a.
aspmx.l.google.com directs traffic to 142.251.167.26 and 2607:f8b0:4004:c23::1a.
alt1.aspmx.l.google.com directs traffic to 108.177.123.27 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1b.
Both aspmx2.googlemail.com and alt1.aspmx.l.google.com resolve to 2800:3f0:4003:c0f::1a IP addresses each.