bitcourse.com - dns.ninja
bitcourse.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 52.20.84.62🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-84-62.compute-1.amazonaws.com | ||||||
| NS | ns1.atom.com ⭐ | ||||||
| A | 44.219.81.145🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix | ||||||
| PTR | ec2-44-219-81-145.compute-1.amazonaws.com | ||||||
| NS | ns2.atom.com | ||||||
| A | 50.19.240.86🇺🇸 Amazon50.19.128.0/17 EC2 IAD prefix | ||||||
| PTR | ec2-50-19-240-86.compute-1.amazonaws.com | ||||||
| NS | verification-jnuvye8mdrq65rnjktgboh.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 | ||||||
| SOA | ns1.atom.comhostmaster@bitcourse.com 2024-11-14 #3 | ||||||
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=1784940792 | ||||||
Same first word
bitcourse.net |
bitcourse.com |
Similar names
DNS History
22 records (4 active, 18 former)
○NSdns1.iidns.com2015-11-04 → 2017-04-05 · 4 obs
● 2015-11-04 00:49:26
● 2017-04-05 03:29:32
○ 2026-05-12 01:47:46
○ 2026-07-25 01:18:38
● 2017-04-05 03:29:32
○ 2026-05-12 01:47:46
○ 2026-07-25 01:18:38
○NSdns2.iidns.com2015-11-04 → 2016-07-11 · 4 obs
● 2015-11-04 00:49:26
● 2016-07-11 17:19:56
○ 2017-04-05 03:29:32
○ 2026-07-25 01:18:38
● 2016-07-11 17:19:56
○ 2017-04-05 03:29:32
○ 2026-07-25 01:18:38
○NSdns3.iidns.com2015-11-04 → 2016-07-11 · 4 obs
● 2015-11-04 00:49:26
● 2016-07-11 17:19:56
○ 2017-04-05 03:29:32
○ 2026-07-25 01:18:38
● 2016-07-11 17:19:56
○ 2017-04-05 03:29:32
○ 2026-07-25 01:18:38
○NSdns4.iidns.com2015-11-04 → 2016-07-11 · 4 obs
● 2015-11-04 00:49:26
● 2016-07-11 17:19:56
○ 2017-04-05 03:29:32
○ 2026-07-25 01:18:38
● 2016-07-11 17:19:56
○ 2017-04-05 03:29:32
○ 2026-07-25 01:18:38
○NSdns5.iidns.com2015-11-04 → 2016-07-11 · 4 obs
● 2015-11-04 00:49:26
● 2016-07-11 17:19:56
○ 2017-04-05 03:29:32
○ 2026-07-25 01:18:38
● 2016-07-11 17:19:56
○ 2017-04-05 03:29:32
○ 2026-07-25 01:18:38
○NSdns6.iidns.com2015-11-04 → 2016-07-11 · 4 obs
● 2015-11-04 00:49:26
● 2016-07-11 17:19:56
○ 2017-04-05 03:29:32
○ 2026-07-25 01:18:38
● 2016-07-11 17:19:56
○ 2017-04-05 03:29:32
○ 2026-07-25 01:18:38
●NSns1.atom.com2026-05-12 → 2026-07-25 · 3 obs
○ 2017-04-05 03:29:32
● 2026-05-12 01:47:46
● 2026-07-25 01:18:38
● 2026-05-12 01:47:46
● 2026-07-25 01:18:38
●NSns2.atom.com2026-05-12 → 2026-07-25 · 3 obs
○ 2017-04-05 03:29:32
● 2026-05-12 01:47:46
● 2026-07-25 01:18:38
● 2026-05-12 01:47:46
● 2026-07-25 01:18:38
●NSverification-jnuvye8mdrq65rnjktgboh.ns101.verify.hn2026-05-12 → 2026-07-25 · 3 obs
○ 2017-04-05 03:29:32
● 2026-05-12 01:47:46
● 2026-07-25 01:18:38
● 2026-05-12 01:47:46
● 2026-07-25 01:18:38
○A107.167.19.672015-11-04 → 2015-11-04 · 4 obs
○ 2015-06-20 21:31:08
● 2015-11-04 00:49:26
○ 2016-07-11 17:19:56
○ 2026-07-25 01:18:38
● 2015-11-04 00:49:26
○ 2016-07-11 17:19:56
○ 2026-07-25 01:18:38
○A107.167.19.682015-11-04 → 2015-11-04 · 4 obs
○ 2015-06-20 21:31:08
● 2015-11-04 00:49:26
○ 2016-07-11 17:19:56
○ 2026-07-25 01:18:38
● 2015-11-04 00:49:26
○ 2016-07-11 17:19:56
○ 2026-07-25 01:18:38
○A107.167.19.692015-11-04 → 2015-11-04 · 4 obs
○ 2015-06-20 21:31:08
● 2015-11-04 00:49:26
○ 2016-07-11 17:19:56
○ 2026-07-25 01:18:38
● 2015-11-04 00:49:26
○ 2016-07-11 17:19:56
○ 2026-07-25 01:18:38
○A107.167.19.702015-11-04 → 2015-11-04 · 4 obs
○ 2015-06-20 21:31:08
● 2015-11-04 00:49:26
○ 2016-07-11 17:19:56
○ 2026-07-25 01:18:38
● 2015-11-04 00:49:26
○ 2016-07-11 17:19:56
○ 2026-07-25 01:18:38
○A107.167.19.742016-07-11 → 2016-07-11 · 4 obs
○ 2015-11-04 00:49:26
● 2016-07-11 17:19:56
○ 2017-04-05 03:29:32
○ 2026-07-25 01:18:38
● 2016-07-11 17:19:56
○ 2017-04-05 03:29:32
○ 2026-07-25 01:18:38
○A107.167.19.752016-07-11 → 2016-07-11 · 4 obs
○ 2015-11-04 00:49:26
● 2016-07-11 17:19:56
○ 2017-04-05 03:29:32
○ 2026-07-25 01:18:38
● 2016-07-11 17:19:56
○ 2017-04-05 03:29:32
○ 2026-07-25 01:18:38
○A198.148.92.872015-06-20 → 2015-06-20 · 3 obs
● 2015-06-20 21:31:08
○ 2026-05-12 01:47:46
○ 2026-07-25 01:18:38
○ 2026-05-12 01:47:46
○ 2026-07-25 01:18:38
○A198.148.92.882015-06-20 → 2015-06-20 · 3 obs
● 2015-06-20 21:31:08
○ 2026-05-12 01:47:46
○ 2026-07-25 01:18:38
○ 2026-05-12 01:47:46
○ 2026-07-25 01:18:38
○A23.234.4.1512017-04-05 → 2017-04-05 · 4 obs
○ 2016-07-11 17:19:56
● 2017-04-05 03:29:32
○ 2026-05-12 01:47:46
○ 2026-07-25 01:18:38
● 2017-04-05 03:29:32
○ 2026-05-12 01:47:46
○ 2026-07-25 01:18:38
○A23.234.4.1532017-04-05 → 2017-04-05 · 4 obs
○ 2016-07-11 17:19:56
● 2017-04-05 03:29:32
○ 2026-05-12 01:47:46
○ 2026-07-25 01:18:38
● 2017-04-05 03:29:32
○ 2026-05-12 01:47:46
○ 2026-07-25 01:18:38
●A52.20.84.622026-05-12 → 2026-07-25 · 56 obs
○ 2017-04-05 03:29:32
● 2026-05-12 01:47:46
● 2026-05-21 20:28:20
○ 2026-05-22 01:08:38
● 2026-05-22 04:20:42
● 2026-06-06 02:44:00
○ 2026-06-06 05:01:06
○ 2026-06-06 08:18:14
● 2026-06-06 14:01:42
● 2026-06-10 02:59:00
○ 2026-06-10 18:13:18
● 2026-06-11 01:08:36
● 2026-06-11 18:04:04
○ 2026-06-11 18:38:00
○ 2026-06-12 01:09:30
● 2026-06-12 04:34:10
● 2026-06-15 09:36:00
○ 2026-06-15 12:06:14
● 2026-06-15 14:31:58
● 2026-06-16 01:08:08
○ 2026-06-16 02:22:08
○ 2026-06-16 06:54:14
● 2026-06-16 12:26:30
● 2026-06-17 01:51:46
○ 2026-06-17 12:26:16
● 2026-06-17 17:04:38
○ 2026-06-18 22:57:06
○ 2026-06-19 01:08:08
● 2026-06-19 04:25:46
○ 2026-06-21 01:08:14
● 2026-06-21 10:26:00
○ 2026-06-22 18:00:20
● 2026-06-22 19:17:54
○ 2026-06-26 18:00:50
● 2026-06-26 19:40:50
○ 2026-06-27 02:34:58
● 2026-06-27 04:00:24
○ 2026-07-01 18:00:16
● 2026-07-01 20:32:38
○ 2026-07-03 09:14:14
● 2026-07-03 13:07:20
○ 2026-07-07 09:59:30
● 2026-07-07 12:35:56
○ 2026-07-08 15:19:18
● 2026-07-08 16:05:50
○ 2026-07-09 06:22:58
● 2026-07-09 12:54:56
○ 2026-07-12 01:25:44
● 2026-07-12 02:01:22
○ 2026-07-12 05:34:38
● 2026-07-12 22:50:16
○ 2026-07-18 22:39:02
● 2026-07-19 22:05:38
○ 2026-07-21 01:56:28
● 2026-07-21 08:29:18
● 2026-07-25 01:18:38
● 2026-05-12 01:47:46
● 2026-05-21 20:28:20
○ 2026-05-22 01:08:38
● 2026-05-22 04:20:42
● 2026-06-06 02:44:00
○ 2026-06-06 05:01:06
○ 2026-06-06 08:18:14
● 2026-06-06 14:01:42
● 2026-06-10 02:59:00
○ 2026-06-10 18:13:18
● 2026-06-11 01:08:36
● 2026-06-11 18:04:04
○ 2026-06-11 18:38:00
○ 2026-06-12 01:09:30
● 2026-06-12 04:34:10
● 2026-06-15 09:36:00
○ 2026-06-15 12:06:14
● 2026-06-15 14:31:58
● 2026-06-16 01:08:08
○ 2026-06-16 02:22:08
○ 2026-06-16 06:54:14
● 2026-06-16 12:26:30
● 2026-06-17 01:51:46
○ 2026-06-17 12:26:16
● 2026-06-17 17:04:38
○ 2026-06-18 22:57:06
○ 2026-06-19 01:08:08
● 2026-06-19 04:25:46
○ 2026-06-21 01:08:14
● 2026-06-21 10:26:00
○ 2026-06-22 18:00:20
● 2026-06-22 19:17:54
○ 2026-06-26 18:00:50
● 2026-06-26 19:40:50
○ 2026-06-27 02:34:58
● 2026-06-27 04:00:24
○ 2026-07-01 18:00:16
● 2026-07-01 20:32:38
○ 2026-07-03 09:14:14
● 2026-07-03 13:07:20
○ 2026-07-07 09:59:30
● 2026-07-07 12:35:56
○ 2026-07-08 15:19:18
● 2026-07-08 16:05:50
○ 2026-07-09 06:22:58
● 2026-07-09 12:54:56
○ 2026-07-12 01:25:44
● 2026-07-12 02:01:22
○ 2026-07-12 05:34:38
● 2026-07-12 22:50:16
○ 2026-07-18 22:39:02
● 2026-07-19 22:05:38
○ 2026-07-21 01:56:28
● 2026-07-21 08:29:18
● 2026-07-25 01:18:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, c.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net... | - |
| bitcourse.com | verification-jnuvye8mdrq65rnjktgboh.ns101.verify.hn, ns1.atom.com, ns2.atom.com | 2 records |
✅ Authoritative Response
Server:44.219.81.145
NS records: verification-jnuvye8mdrq65rnjktgboh.ns101.verify.hn, ns1.atom.com, ns2.atom.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bitcourse.com (unsigned zone)
⏱️ Timing
Total: 4015ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.20.84.62 |
| NS | 2 | ns2.atom.com, ns1.atom.com |
| SOA | 1 | ns1.atom.com hostmaster.bitcourse.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.atom.com, ns2.atom.com)
Analysis
IP Addresses
bitcourse.com directs to one IP number, which is 52.20.84.62.
Among the host names that share IP numbers with bitcourse.com are kinscloud.com, elitemanga.com, ledjungle.com and two others.
Name Servers
bitcourse.com has three name servers — ns1.atom.com, ns2.atom.com and verification-jnuvye8mdrq65rnjktgboh.ns101.verify.hn.
bitcourse.com partially shares its NS delegation with several other domains, including upauth.com, toastid.com, littlesavvy.com and two others.
These name servers regularly co-occur with the name servers ns1.afternic.com, ns2.afternic.com and verification-yhehuhyrvixzqbtydgzisf.ns101.verify.hn.
Hosts with two IP numbers each:
verification-jnuvye8mdrq65rnjktgboh.ns101.verify.hn resolves to 13.248.169.48 and 76.223.54.146.
Hosts that resolve to one IP address:
ns1.atom.com resolves to 44.219.81.145.
ns2.atom.com resolves to 50.19.240.86.