subcourse.com - dns.ninja
subcourse.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.56.33.8🇺🇸 Amazon13.56.0.0/16 EC2 Region prefix | ||||||
| PTR | ec2-13-56-33-8.us-west-1.compute.amazonaws.com | ||||||
| NS | ns1.brandbucket.com ⭐ | ||||||
| A | 2600:1f1c:800:8b01:2ba3:bb61:44fb:b361🇺🇸 Amazon2600:1f1c:800::/38 AMAZON AWS | ||||||
| A | 54.241.53.41🇺🇸 Amazon54.241.0.0/17 EC2 SFO prefix | ||||||
| PTR | ec2-54-241-53-41.us-west-1.compute.amazonaws.com | ||||||
| NS | ns2.brandbucket.com | ||||||
| A | 2600:1f16:54:8701:4012:7e34:5c5f:95a8🇺🇸 Amazon2600:1f16::/38 AMAZON AWS | ||||||
| A | 18.221.52.246🇺🇸 Amazon18.220.0.0/14 EC2 CMH prefix | ||||||
| PTR | ec2-18-221-52-246.us-east-2.compute.amazonaws.com | ||||||
| TXT | afternic-verification-cvgUQU8SkLxsjXcPBSk2CM | ||||||
| TXT | v=spf1 -all | ||||||
| TXT | 27aab5373841b85aab94982ee19ab62f96481ed6 | ||||||
| SOA | ns1.brandbucket.commail@subcourse.com 2024-03-05 #2 | ||||||
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=1782585660 | ||||||
Same first word
subcourse.com |
Similar names
DNS History
12 records (3 active, 9 former)
○NSdns7.hichina.com2015-07-20 → 2015-07-20 · 3 obs
○ 2015-11-25 13:52:22
○ 2026-06-27 19:08:10
○NSdns8.hichina.com2015-07-20 → 2015-07-20 · 3 obs
○ 2015-11-25 13:52:22
○ 2026-06-27 19:08:10
○NSfailed-whois-verification.namecheap.com2020-02-10 → 2020-02-10 · 3 obs
● 2020-02-10 02:32:22
○ 2026-06-27 19:08:10
●NSns1.brandbucket.com2026-06-27 → 2026-06-27 · 2 obs
● 2026-06-27 19:08:10
●NSns2.brandbucket.com2026-06-27 → 2026-06-27 · 2 obs
● 2026-06-27 19:08:10
○NSns78.serverpars.com2015-11-25 → 2017-03-25 · 5 obs
● 2015-11-25 13:52:22
● 2017-03-25 14:50:52
○ 2020-02-10 02:32:22
○ 2026-06-27 19:08:10
○NSns79.serverpars.com2015-11-25 → 2017-03-25 · 5 obs
● 2015-11-25 13:52:22
● 2017-03-25 14:50:52
○ 2020-02-10 02:32:22
○ 2026-06-27 19:08:10
○NSverify-contact-details.namecheap.com2020-02-10 → 2020-02-10 · 3 obs
● 2020-02-10 02:32:22
○ 2026-06-27 19:08:10
○MXsubcourse.com2015-11-25 → 2017-03-25 · 4 obs
● 2017-03-25 14:50:52
○ 2020-02-10 02:32:22
○ 2026-06-27 19:08:10
●A13.56.33.82026-06-27 → 2026-06-27 · 2 obs
● 2026-06-27 19:08:10
○A198.54.117.2442020-02-10 → 2020-02-10 · 3 obs
● 2020-02-10 02:32:22
○ 2026-06-27 19:08:10
○A46.4.0.2542015-11-25 → 2017-03-25 · 4 obs
● 2017-03-25 14:50:52
○ 2020-02-10 02:32:22
○ 2026-06-27 19:08:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net... | - |
| subcourse.com | ns1.brandbucket.com, ns2.brandbucket.com | 2 records |
✅ Authoritative Response
Server:54.241.53.41
NS records: ns1.brandbucket.com, ns2.brandbucket.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for subcourse.com (unsigned zone)
⏱️ Timing
Total: 393ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 13.56.33.8 |
| NS | 2 | ns1.brandbucket.com, ns2.brandbucket.com |
| TXT | 3 | 27aab5373841b85aab94982ee19ab62f96481ed6, afternic-verification-cvgUQU8SkLxsjXcPBS... |
| SOA | 1 | ns1.brandbucket.com mail.subcourse.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.brandbucket.com, ns2.brandbucket.com)
Analysis
IP Addresses
subcourse.com resolves to just one IP address, 13.56.33.8.
Two other host names, along with masterchapter.com, besthomemade.com and boxuna.com, also share IP numbers with subcourse.com.
Name Servers
subcourse.com uses two name servers for its delegation: ns1.brandbucket.com and ns2.brandbucket.com.
subcourse.com shares its NS records with other domains, for example sootheplus.com, quantonym.com, exactry.com and two others.
At least some of subcourse.com's name servers are also used by other domains, among them originforge.com.
The two host names ns1.brandbucket.com and ns2.brandbucket.com each have a pair of IP addresses: ns1.brandbucket.com has 54.241.53.41 and 2600:1f1c:800:8b01:2ba3:bb61:44fb:b361, and ns2.brandbucket.com has 18.221.52.246 and 2600:1f16:54:8701:4012:7e34:5c5f:95a8.