coursemosaic.com - robtex.com
coursemosaic.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=1775964677 | ||||||
Same first word
coursemosaic.com |
Similar names
DNS History
10 records (6 active, 4 former)
○NSns65.domaincontrol.com2015-05-26 → 2017-03-28 · 4 obs
● 2017-03-28 21:34:04
○ 2026-04-01 02:13:20
○ 2026-04-12 03:51:02
○NSns66.domaincontrol.com2015-05-26 → 2017-03-28 · 4 obs
● 2017-03-28 21:34:04
○ 2026-04-01 02:13:20
○ 2026-04-12 03:51:02
●NSpdns13.domaincontrol.com2026-04-01 → 2026-04-12 · 3 obs
● 2026-04-01 02:13:20
● 2026-04-12 03:51:02
●NSpdns14.domaincontrol.com2026-04-01 → 2026-04-12 · 3 obs
● 2026-04-01 02:13:20
● 2026-04-12 03:51:02
●MXcoursemosaic-com.mail.protection.outlook.com2016-07-15 → 2026-04-12 · 3 obs
● 2016-07-15 13:11:26
● 2026-04-12 03:51:02
●MXmailstore1.secureserver.net2015-05-26 → 2026-04-12 · 2 obs
● 2026-04-12 03:51:02
○MXsmtp.secureserver.net2015-05-26 → 2016-03-21 · 4 obs
● 2016-03-21 07:44:02
○ 2016-07-15 13:11:26
○ 2026-04-12 03:51:02
●A15.197.148.332026-04-01 → 2026-04-12 · 3 obs
● 2026-04-01 02:13:20
● 2026-04-12 03:51:02
○A184.168.221.412015-05-26 → 2017-03-28 · 4 obs
● 2017-03-28 21:34:04
○ 2026-04-01 02:13:20
○ 2026-04-12 03:51:02
●A3.33.130.1902026-04-01 → 2026-04-12 · 3 obs
● 2026-04-01 02:13:20
● 2026-04-12 03:51:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net... | - |
| coursemosaic.com | pdns13.domaincontrol.com, pdns14.domaincontrol.com | 2 records |
✅ Authoritative Response
Server:97.74.110.56
NS records: pdns13.domaincontrol.com, pdns14.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coursemosaic.com (unsigned zone)
⏱️ Timing
Total: 228ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | pdns13.domaincontrol.com, pdns14.domaincontrol.com |
| MX | 2 | mailstore1.secureserver.net (pri: 10), coursemosaic-com.mail.protection.outlook |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | pdns13.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (pdns13.domaincontrol.com, pdns14.domaincontrol.com)
Analysis
IP Addresses
coursemosaic.com resolves to two IP numbers: 3.33.130.190 and 15.197.148.33.
Other host names, for instance dwos.org, culturallycatholic.com, seeyoudownstream.com, abelintl.com and adoconsulting.com share IP numbers with coursemosaic.com.
Name Servers
coursemosaic.com has two name servers: pdns13.domaincontrol.com and pdns14.domaincontrol.com.
coursemosaic.com shares the same name server setup as other domains, for example southwestgeorgiaperiodontics.com, sabanto.com, gclubufabet.com, echky.org and skybirdgroup.com.
coursemosaic.com partially shares name servers with other domains, for instance faik.jp.
Host names with a single IP:
pdns13.domaincontrol.com points to 97.74.110.56
pdns14.domaincontrol.com points to 173.201.78.56
Mail Servers
coursemosaic.com is served by two mail servers: mailstore1.secureserver.net and coursemosaic-com.mail.protection.outlook.com.
coursemosaic.com shares some mail servers with other domains, at least partially; for instance maryannhawkins.com, landbat.com, mksassociates.in, lumaparc.com and dthorses.biz.
these mail servers are commonly used alongside the mail servers smtp.secureserver.net.
Host names with eight IP numbers:
coursemosaic-com.mail.protection.outlook.com points to: 2a01:111:f403:c902::14, 2a01:111:f403:f802::1, 2a01:111:f403:f907::1, 2a01:111:f403:f912::, 52.101.9.21, 52.101.11.2, 52.101.11.3 and 52.101.194.15.
Host names with three IP numbers:
mailstore1.secureserver.net points to: 216.69.141.78, 216.69.141.114 and 216.69.141.162.