coursde.com - dns.ninja
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=1786405429 | ||||||
Same first word
coursde.com |
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
○ 2026-08-11 00:07:54
○NSjuming.dnsdun.net2018-08-05 → 2018-08-05 · 4 obs
● 2018-08-05 21:50:42
○ 2026-07-29 16:40:40
○ 2026-08-11 00:07:54
○NSns1.gplservice.net2015-06-08 → 2017-01-22 · 4 obs
● 2017-01-22 15:46:52
○ 2018-08-05 21:50:42
○ 2026-08-11 00:07:54
○NSns2.gplservice.net2015-06-08 → 2017-01-22 · 4 obs
● 2017-01-22 15:46:52
○ 2018-08-05 21:50:42
○ 2026-08-11 00:07:54
●NSns3.afternic.com2026-07-29 → 2026-08-11 · 3 obs
● 2026-07-29 16:40:40
● 2026-08-11 00:07:54
●NSns4.afternic.com2026-07-29 → 2026-08-11 · 3 obs
● 2026-07-29 16:40:40
● 2026-08-11 00:07:54
○A107.186.46.752018-08-05 → 2018-08-05 · 4 obs
● 2018-08-05 21:50:42
○ 2026-07-29 16:40:40
○ 2026-08-11 00:07:54
●A13.248.169.482026-07-29 → 2026-08-11 · 3 obs
● 2026-07-29 16:40:40
● 2026-08-11 00:07:54
○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
○ 2026-08-11 00:07:54
●A76.223.54.1462026-07-29 → 2026-08-11 · 3 obs
● 2026-07-29 16:40:40
● 2026-08-11 00:07:54
○A87.98.153.1552015-06-08 → 2016-01-27 · 4 obs
● 2016-01-27 18:40:46
○ 2016-04-30 10:30:34
○ 2026-08-11 00:07:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net... | - |
| coursde.com | ns3.afternic.com, ns4.afternic.com | 2 records |
✅ Authoritative Response
Server:173.201.66.65
NS records: ns3.afternic.com, ns4.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coursde.com (unsigned zone)
⏱️ Timing
Total: 206ms | 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 directs to two IP numbers, 13.248.169.48 and 76.223.54.146
Additional host names — nullmx.wwwhurricane.com, mx.doctora.es, geoeste.com and two others — share IP numbers with coursde.com.
Name Servers
coursde.com has two authoritative name servers — ns3.afternic.com and ns4.afternic.com.
coursde.com shares its name server setup with other domains, including innsbruck-apartments.com, telecomation.com, rbtours.com and two others.
coursde.com has at least partial name server overlap with other domains, such as sardinestore.com, famouswellness.com, watch-planet.com and two others.
It is common to see these name servers used together with name servers verification-xca45ox5qyba6vycrpoay7.ns101.verify.hn and verification-frsgyqgb387khmr9jzuunx.ns101.verify.hn.
ns3.afternic.com directs to 97.74.98.65 and ns4.afternic.com directs to 173.201.66.65; each host name points to exactly one IP number.