courses.plus - dns.ninja
courses.plus
| 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 | ns1.afternic.com ⭐ | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| PTR | ns1.afternic.com | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.afternic.com | ||||||
| NS | ns2.afternic.com | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| PTR | ns2.afternic.com | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.afternic.comdns@jomax.net serial=1 | ||||||
plus
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.plus ⭐ | ||||||
| NS | v0n1.nic.plus | ||||||
| NS | v0n2.nic.plus | ||||||
| NS | v0n3.nic.plus | ||||||
| NS | v2n0.nic.plus | ||||||
| NS | v2n1.nic.plus | ||||||
| SOA | v0n0.nic.plushostmaster@donuts.email serial=1783972765 | ||||||
Same first word
Similar names
DNS History
12 records (4 active, 8 former)
○NSns01.cashparking.com2016-12-10 → 2016-12-10 · 3 obs
○ 2019-08-17 05:57:32
○ 2026-07-13 20:11:08
●NSns1.afternic.com2026-03-02 → 2026-07-13 · 3 obs
● 2026-03-02 14:10:42
● 2026-07-13 20:11:08
○NSns1.sedoparking.com2020-02-01 → 2020-02-01 · 4 obs
● 2020-02-01 19:42:02
○ 2026-03-02 14:10:42
○ 2026-07-13 20:11:08
●NSns2.afternic.com2026-03-02 → 2026-07-13 · 3 obs
● 2026-03-02 14:10:42
● 2026-07-13 20:11:08
○NSns2.sedoparking.com2020-02-01 → 2020-02-01 · 4 obs
● 2020-02-01 19:42:02
○ 2026-03-02 14:10:42
○ 2026-07-13 20:11:08
○MXmail.pickelhost.com2020-02-01 → 2020-02-01 · 4 obs
● 2020-02-01 19:42:02
○ 2026-03-02 14:10:42
○ 2026-07-13 20:11:08
○MXmailstore1.secureserver.net2016-12-10 → 2016-12-10 · 3 obs
○ 2019-08-17 05:57:32
○ 2026-07-13 20:11:08
○MXsmtp.secureserver.net2016-12-10 → 2016-12-10 · 3 obs
○ 2019-08-17 05:57:32
○ 2026-07-13 20:11:08
●A13.248.169.482026-03-02 → 2026-07-13 · 3 obs
● 2026-03-02 14:10:42
● 2026-07-13 20:11:08
○A184.168.221.962016-12-10 → 2016-12-10 · 3 obs
○ 2019-08-17 05:57:32
○ 2026-07-13 20:11:08
●A76.223.54.1462026-03-02 → 2026-07-13 · 3 obs
● 2026-03-02 14:10:42
● 2026-07-13 20:11:08
○A91.195.240.1262020-02-01 → 2020-02-01 · 4 obs
● 2020-02-01 19:42:02
○ 2026-03-02 14:10:42
○ 2026-07-13 20:11:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| plus | v2n1.nic.plus, v0n3.nic.plus, v0n1.nic.plus, v2n0.nic.plus... | 12 records |
| courses.plus | ns1.afternic.com, ns2.afternic.com | - |
✅ Authoritative Response
Server:97.74.98.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for courses.plus (unsigned zone)
⏱️ Timing
Total: 221ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v2n1.nic.plus, v2n1.nic.plus, v0n3.nic.plus...)
Analysis
IP Addresses
courses.plus directs to two IP numbers, 13.248.169.48 and 76.223.54.146
onlinewinner.com, entlinks.com, smartshop.info plus two other host names have IP numbers in common with courses.plus.
Name Servers
courses.plus uses two name servers for its delegation: ns1.afternic.com and ns2.afternic.com.
The name server configuration of courses.plus is shared with other domains, for instance vogatore.com, mybiz.co, mx.okchiro.com and two others.
courses.plus partially shares its NS delegation with several other domains, including undriver.com, flygroup.org, pumaus.com and two others.
These name servers are regularly seen alongside verification-ryl9l7cn2xbgckdbkcguz6.ns101.verify.hn and verification-d3jclucsp89ganyqbydeny.ns101.verify.hn as name servers.
The two host names ns1.afternic.com and ns2.afternic.com each have a pair of IP addresses: ns1.afternic.com has 97.74.98.69 and 2603:5:2126::45, and ns2.afternic.com has 173.201.66.69 and 2603:5:2226::45.