coursde.com - robtex.com
coursde.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns3.afternic.com ⭐ | ||||||
| A | 97.74.98.65🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns3.afternic.com | ||||||
| NS | ns4.afternic.com | ||||||
| A | 173.201.66.65🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns4.namefind.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns3.afternic.comdns@jomax.net 2025-10-01 #0 | ||||||
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=1786538874 | ||||||
Same first word
Similar names
DNS History
11 records (4 active, 7 former)
○NSjuming.dnsdun.com2018-08-05 → 2018-08-05 · 4 obs
● 2018-08-05 21:50:42
○ 2026-07-29 16:40:40
○ 2026-08-12 13:07:10
○NSjuming.dnsdun.net2018-08-05 → 2018-08-05 · 4 obs
● 2018-08-05 21:50:42
○ 2026-07-29 16:40:40
○ 2026-08-12 13:07:10
○NSns1.gplservice.net2015-06-08 → 2017-01-22 · 4 obs
● 2017-01-22 15:46:52
○ 2018-08-05 21:50:42
○ 2026-08-12 13:07:10
○NSns2.gplservice.net2015-06-08 → 2017-01-22 · 4 obs
● 2017-01-22 15:46:52
○ 2018-08-05 21:50:42
○ 2026-08-12 13:07:10
●NSns3.afternic.com2026-07-29 → 2026-08-12 · 3 obs
● 2026-07-29 16:40:40
● 2026-08-12 13:07:10
●NSns4.afternic.com2026-07-29 → 2026-08-12 · 3 obs
● 2026-07-29 16:40:40
● 2026-08-12 13:07:10
○A107.186.46.752018-08-05 → 2018-08-05 · 4 obs
● 2018-08-05 21:50:42
○ 2026-07-29 16:40:40
○ 2026-08-12 13:07:10
●A13.248.169.482026-07-29 → 2026-08-12 · 3 obs
● 2026-07-29 16:40:40
● 2026-08-12 13:07:10
○A164.132.93.892016-04-30 → 2017-01-22 · 5 obs
● 2016-04-30 10:30:34
● 2017-01-22 15:46:52
○ 2018-08-05 21:50:42
○ 2026-08-12 13:07:10
●A76.223.54.1462026-07-29 → 2026-08-12 · 3 obs
● 2026-07-29 16:40:40
● 2026-08-12 13:07:10
○A87.98.153.1552015-06-08 → 2016-01-27 · 4 obs
● 2016-01-27 18:40:46
○ 2016-04-30 10:30:34
○ 2026-08-12 13:07:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| coursde.com | ns3.afternic.com, ns4.afternic.com | 2 records |
✅ Authoritative Response
Server:97.74.98.65
NS records: ns3.afternic.com, ns4.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coursde.com (unsigned zone)
⏱️ Timing
Total: 172ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 13.248.169.48, 76.223.54.146 |
| NS | 2 | ns3.afternic.com, ns4.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns3.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns3.afternic.com, ns4.afternic.com)
Analysis
IP Addresses
coursde.com points to the IP addresses 13.248.169.48 and 76.223.54.146
nullmx.wwwhurricane.com, mx.doctora.es, geoeste.com plus two other host names have IP numbers in common with coursde.com.
Name Servers
coursde.com is served by two delegated name servers, ns3.afternic.com and ns4.afternic.com.
The name server configuration of coursde.com is shared with other domains, for instance innsbruck-apartments.com, telecomation.com, rbtours.com and two others.
At least some of coursde.com's name servers are shared with other domains, for example sardinestore.com, famouswellness.com, watch-planet.com and two more.
These name servers tend to be deployed in combination with the name servers verification-xca45ox5qyba6vycrpoay7.ns101.verify.hn and verification-frsgyqgb387khmr9jzuunx.ns101.verify.hn.
Each of ns3.afternic.com and ns4.afternic.com has one IP address: ns3.afternic.com uses 97.74.98.65 and ns4.afternic.com uses 173.201.66.65.