coursfy.com - robtex.com
coursfy.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=1774485957 | ||||||
Same first word
coursfy.com |
Similar names
DNS History
16 records (5 active, 11 former)
○NSns39.domaincontrol.com2019-01-30 → 2019-01-30 · 3 obs
○ 2026-03-04 14:40:06
○ 2026-03-26 01:10:18
○NSns40.domaincontrol.com2019-01-30 → 2019-01-30 · 3 obs
○ 2026-03-04 14:40:06
○ 2026-03-26 01:10:18
●NSns53.domaincontrol.com2026-03-04 → 2026-03-26 · 3 obs
● 2026-03-04 14:40:06
● 2026-03-26 01:10:18
●NSns54.domaincontrol.com2026-03-04 → 2026-03-26 · 3 obs
● 2026-03-04 14:40:06
● 2026-03-26 01:10:18
●MXcoursfy-com.mail.protection.outlook.com2026-03-04 → 2026-03-26 · 2 obs
● 2026-03-26 01:10:18
●A15.197.148.332026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 01:10:18
○A15.197.225.1282026-03-04 → 2026-03-04 · 3 obs
● 2026-03-04 14:40:06
○ 2026-03-26 01:10:18
○A184.168.221.342019-01-30 → 2019-01-30 · 3 obs
○ 2026-03-04 14:40:06
○ 2026-03-26 01:10:18
○A184.168.221.562019-01-30 → 2019-01-30 · 3 obs
○ 2026-03-04 14:40:06
○ 2026-03-26 01:10:18
○A184.168.221.582019-01-30 → 2019-01-30 · 3 obs
○ 2026-03-04 14:40:06
○ 2026-03-26 01:10:18
○A184.168.221.632019-01-30 → 2019-01-30 · 3 obs
○ 2026-03-04 14:40:06
○ 2026-03-26 01:10:18
●A3.33.130.1902026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 01:10:18
○A3.33.251.1682026-03-04 → 2026-03-04 · 3 obs
● 2026-03-04 14:40:06
○ 2026-03-26 01:10:18
○A50.63.202.512019-01-30 → 2019-01-30 · 3 obs
○ 2026-03-04 14:40:06
○ 2026-03-26 01:10:18
○A50.63.202.562019-01-30 → 2019-01-30 · 3 obs
○ 2026-03-04 14:40:06
○ 2026-03-26 01:10:18
○A50.63.202.602019-01-30 → 2019-01-30 · 3 obs
○ 2026-03-04 14:40:06
○ 2026-03-26 01:10:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| coursfy.com | ns53.domaincontrol.com, ns54.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.106.27
NS records: ns53.domaincontrol.com, ns54.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coursfy.com (unsigned zone)
⏱️ Timing
Total: 181ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns53.domaincontrol.com, ns54.domaincontrol.com |
| MX | 1 | coursfy-com.mail.protection.outlook.com |
| TXT | 2 | google-site-verification=bwsAj50jcj3nzRC, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns53.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns53.domaincontrol.com, ns53.domaincontrol.com, ns54.domaincontrol.com...)
Analysis
IP Addresses
coursfy.com points to two IP numbers: 3.33.130.190 and 15.197.148.33.
Other host names, for instance befuxion.com, adorer.in, majorissolutions.com, lend-me.com and archirex.com share IP numbers with coursfy.com.
Name Servers
coursfy.com is delegated to two name servers: ns53.domaincontrol.com and ns54.domaincontrol.com.
coursfy.com uses the same name server setup as other domains, for instance dmkarts.com, kwikswitch.com, colorimp.com, virtualmoneyexchange.com and psorlando.net.
coursfy.com partially shares name servers with other domains, for instance jaxzo.com.
Host names with two IP numbers:
The host ns53.domaincontrol.com points to 2603:5:21a2::1b and 97.74.106.27.
The host ns54.domaincontrol.com points to 2603:5:22a2::1b and 173.201.74.27.
Mail Servers
The mail server for coursfy.com is coursfy-com.mail.protection.outlook.com.
Host coursfy-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca0b::1, 2a01:111:f403:ca0b::2, 2a01:111:f403:ca1a::, 2a01:111:f403:ca1a::1, 52.101.89.0, 52.101.89.2, 52.101.99.0 and 52.101.99.2.