spacourse.com - dns.ninja
spacourse.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.148.248.143🇺🇸 EIG-29873207.148.248.0/24 | ||||||
| NS | ns.buydomains.com ⚠️ Not in zone NS records | ||||||
| A | 52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-26-87.compute-1.amazonaws.com | ||||||
| NS | this-domain-for-sale.com ⚠️ Not in zone NS records | ||||||
| A | 52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-26-87.compute-1.amazonaws.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=1782603735 | ||||||
Previously MX for
Subdomains
mail.spacourse.com |
Same first word
spacourse.com |
Similar names
DNS History
15 records (3 active, 12 former)
○NSlocalhost2017-01-12 → 2017-01-12 · 4 obs
● 2017-01-12 02:57:18
○ 2018-05-19 11:16:02
○ 2026-06-27 23:52:54
●NSns.buydomains.com2026-02-22 → 2026-06-27 · 3 obs
● 2026-02-22 06:50:46
● 2026-06-27 23:52:54
○NSns1.bluehost.com2015-06-30 → 2016-04-23 · 5 obs
● 2015-06-30 17:30:44
● 2016-04-23 03:44:50
○ 2017-01-12 02:57:18
○ 2026-06-27 23:52:54
○NSns1.mytrafficmanagement.com2017-01-12 → 2017-01-12 · 4 obs
● 2017-01-12 02:57:18
○ 2018-05-19 11:16:02
○ 2026-06-27 23:52:54
○NSns1626.ztomy.com2018-05-19 → 2018-05-19 · 4 obs
● 2018-05-19 11:16:02
○ 2026-02-22 06:50:46
○ 2026-06-27 23:52:54
○NSns2.bluehost.com2015-06-30 → 2016-04-23 · 5 obs
● 2015-06-30 17:30:44
● 2016-04-23 03:44:50
○ 2017-01-12 02:57:18
○ 2026-06-27 23:52:54
○NSns2.mytrafficmanagement.com2017-01-12 → 2017-01-12 · 4 obs
● 2017-01-12 02:57:18
○ 2018-05-19 11:16:02
○ 2026-06-27 23:52:54
○NSns2626.ztomy.com2018-05-19 → 2018-05-19 · 4 obs
● 2018-05-19 11:16:02
○ 2026-02-22 06:50:46
○ 2026-06-27 23:52:54
●NSthis-domain-for-sale.com2026-02-22 → 2026-06-27 · 3 obs
● 2026-02-22 06:50:46
● 2026-06-27 23:52:54
○MXspacourse.com2015-06-30 → 2016-04-23 · 5 obs
● 2015-06-30 17:30:44
● 2016-04-23 03:44:50
○ 2017-01-12 02:57:18
○ 2026-06-27 23:52:54
○A104.130.124.962017-01-12 → 2017-01-12 · 4 obs
● 2017-01-12 02:57:18
○ 2018-05-19 11:16:02
○ 2026-06-27 23:52:54
○A204.11.56.482018-05-19 → 2018-05-19 · 4 obs
● 2018-05-19 11:16:02
○ 2026-02-22 06:50:46
○ 2026-06-27 23:52:54
●A207.148.248.1432026-02-22 → 2026-06-27 · 3 obs
● 2026-02-22 06:50:46
● 2026-06-27 23:52:54
○A69.89.25.1592015-06-30 → 2016-04-23 · 5 obs
● 2015-06-30 17:30:44
● 2016-04-23 03:44:50
○ 2017-01-12 02:57:18
○ 2026-06-27 23:52:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| spacourse.com | ns.buydomains.com, this-domain-for-sale.com | 2 records |
✅ Authoritative Response
Server:52.4.207.204
NS records: ns.buydomains.com, this-domain-for-sale.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for spacourse.com (unsigned zone)
⏱️ Timing
Total: 1353ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.148.248.143 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)
Analysis
Hierarchy
spacourse.com is a parent domain of mail.spacourse.com.
IP Addresses
spacourse.com resolves to just one IP address, 207.148.248.143.
Two other host names, along with spotsecret.com, exclusiveweblinks.com and smtp.garbins.com, also share IP numbers with spacourse.com.
Name Servers
The NS records for spacourse.com delegate to this-domain-for-sale.com and ns.buydomains.com.
spacourse.com shares its NS records with other domains, for example kovy.net, kindablue.com, igco.org and two others.
spacourse.com shares at least some of its name servers with other domains, including croplines.com, shanons.com, ourwv.com and two others.
These name servers are frequently seen alongside the name servers ns2.buydomains.com.
Each of this-domain-for-sale.com and ns.buydomains.com points to exactly one IP address: 52.20.26.87.
this-domain-for-sale.com and ns.buydomains.com each have 52.20.26.87 IP addresses.