tencourse.com - robtex.com
tencourse.com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 44.232.173.249🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix | ||||||
| PTR | ec2-44-232-173-249.us-west-2.compute.amazonaws.com | ||||||
| A | 52.40.42.113🇺🇸 Amazon52.40.0.0/14 EC2 PDX prefix | ||||||
| NS | launch1.spaceship.net ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:1a26🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.26.38Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | launch2.spaceship.net | ||||||
| A | 2400:cb00:2049:1::a29f:1b20🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.27.32Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | launch1.spaceship.netsupport@spaceship.com serial=1773116302 | ||||||
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=1774372982 | ||||||
Same first word
tencourse.com |
Similar names
DNS History
8 records (4 active, 4 former)
●NSlaunch1.spaceship.net2026-03-17 → 2026-03-24 · 2 obs
● 2026-03-24 17:44:44
●NSlaunch2.spaceship.net2026-03-17 → 2026-03-24 · 2 obs
● 2026-03-24 17:44:44
○NSns1.afternic.com2026-03-17 → 2026-03-24 · 2 obs
○ 2026-03-24 17:44:44
○NSns2.afternic.com2026-03-17 → 2026-03-24 · 2 obs
○ 2026-03-24 17:44:44
○A13.248.169.482026-03-17 → 2026-03-24 · 2 obs
○ 2026-03-24 17:44:44
●A44.232.173.2492026-03-17 → 2026-03-24 · 2 obs
● 2026-03-24 17:44:44
●A52.40.42.1132026-03-17 → 2026-03-24 · 2 obs
● 2026-03-24 17:44:44
○A76.223.54.1462026-03-17 → 2026-03-24 · 2 obs
○ 2026-03-24 17:44:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net... | - |
| tencourse.com | launch2.spaceship.net, launch1.spaceship.net | - |
✅ Authoritative Response
Server:162.159.27.32
NS records: launch2.spaceship.net, launch1.spaceship.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 418ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 44.232.173.249, 52.40.42.113 |
| NS | 2 | launch1.spaceship.net, launch2.spaceship.net |
| SOA | 1 | launch1.spaceship.net support.spaceship. |
Analysis
IP Addresses
tencourse.com has two IP numbers: 44.232.173.249 and 52.40.42.113.
Other host names, for instance vtp.ca, ainext.us, stockholmmarket.com, standardbank.ca and kcbit.com share IP numbers with tencourse.com.
Name Servers
tencourse.com's delegation uses two name servers: launch1.spaceship.net and launch2.spaceship.net.
tencourse.com uses the same name server setup as other domains, such as gulls.ca, betfair.cm, fidel.com, diamondic.com and 65550.xyz.
tencourse.com at least partially shares name servers with other domains, for example assahraoui.com.
Host names with two IPs:
launch1.spaceship.net points to 2400:cb00:2049:1::a29f:1a26 and 162.159.26.38
launch2.spaceship.net points to 2400:cb00:2049:1::a29f:1b20 and 162.159.27.32