courseshub.com - robtex.com
courseshub.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 | ||||||
| NS | verification-frsgyqgb387khmr9jzuunx.ns101.verify.hn ⚠️ Not in zone NS records | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.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=1774542387 | ||||||
Same first word
courseshub.org |
courseshub.com |
Similar names
DNS History
16 records (5 active, 11 former)
○NSbuy.internettraffic.com2015-10-11 → 2016-07-26 · 5 obs
● 2015-10-11 20:38:42
● 2016-07-26 18:33:00
○ 2017-09-05 17:00:24
○ 2026-03-26 16:50:32
○NSns1.uniregistrymarket.link2017-09-05 → 2017-09-05 · 4 obs
● 2017-09-05 17:00:24
○ 2026-03-26 13:01:44
○ 2026-03-26 16:50:32
○NSns2.uniregistrymarket.link2017-09-05 → 2017-09-05 · 4 obs
● 2017-09-05 17:00:24
○ 2026-03-26 13:01:44
○ 2026-03-26 16:50:32
●NSns3.afternic.com2026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 13:01:44
● 2026-03-26 16:50:32
○NSns37.domaincontrol.com2015-05-10 → 2015-05-10 · 3 obs
○ 2015-10-11 20:38:42
○ 2026-03-26 16:50:32
○NSns38.domaincontrol.com2015-05-10 → 2015-05-10 · 3 obs
○ 2015-10-11 20:38:42
○ 2026-03-26 16:50:32
●NSns4.afternic.com2026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 13:01:44
● 2026-03-26 16:50:32
○NSsell.internettraffic.com2015-10-11 → 2016-07-26 · 5 obs
● 2015-10-11 20:38:42
● 2016-07-26 18:33:00
○ 2017-09-05 17:00:24
○ 2026-03-26 16:50:32
●NSverification-frsgyqgb387khmr9jzuunx.ns101.verify.hn2026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 13:01:44
● 2026-03-26 16:50:32
○MXmailstore1.secureserver.net2015-05-10 → 2015-05-10 · 3 obs
○ 2015-10-11 20:38:42
○ 2026-03-26 16:50:32
○MXsmtp.secureserver.net2015-05-10 → 2015-05-10 · 3 obs
○ 2015-10-11 20:38:42
○ 2026-03-26 16:50:32
●A13.248.169.482026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 13:01:44
● 2026-03-26 16:50:32
○A184.168.221.552015-05-10 → 2015-05-10 · 3 obs
○ 2015-10-11 20:38:42
○ 2026-03-26 16:50:32
○A69.172.201.1532016-07-26 → 2017-09-05 · 5 obs
● 2016-07-26 18:33:00
● 2017-09-05 17:00:24
○ 2026-03-26 13:01:44
○ 2026-03-26 16:50:32
○A69.172.201.2082015-10-11 → 2016-03-26 · 5 obs
● 2015-10-11 20:38:42
● 2016-03-26 03:56:50
○ 2016-07-26 18:33:00
○ 2026-03-26 16:50:32
●A76.223.54.1462026-03-26 → 2026-03-26 · 3 obs
● 2026-03-26 13:01:44
● 2026-03-26 16:50:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net... | - |
| courseshub.com | ns3.afternic.com, ns4.afternic.com, verification-frsgyqgb387khmr9jzuunx.ns101.verify.hn | 2 records |
✅ Authoritative Response
Server:173.201.66.65
NS records: ns3.afternic.com, ns4.afternic.com, verification-frsgyqgb387khmr9jzuunx.ns101.verify.hn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for courseshub.com (unsigned zone)
⏱️ Timing
Total: 3526ms | 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
courseshub.com points to two IPs: 13.248.169.48 and 76.223.54.146.
Other host names including shellsort.com, kizuna.world, www.garantiseyahathatti.com, barcodeparkingmeter.com and eli(0x6e756465).com share IP numbers with courseshub.com.
Name Servers
courseshub.com is delegated to three name servers: ns3.afternic.com, ns4.afternic.com and verification-frsgyqgb387khmr9jzuunx.ns101.verify.hn.
courseshub.com at least partially shares name servers with other domains, including emitesti.cuzo.com, ns1.priyankas.com, 6apart.kabin41.blogcu.com, getvirtualhumans.com and collections.net.
These name servers are often used together with verification-dbgjncnnzmfgmpuki3e6hz.ns101.verify.hn.
Host names with two IP numbers:
verification-frsgyqgb387khmr9jzuunx.ns101.verify.hn points to 13.248.169.48 and 76.223.54.146.
Host names with one IP number:
ns3.afternic.com points to 97.74.98.65.
ns4.afternic.com points to 173.201.66.65.