courses2day.com - robtex.com
courses2day.com
| 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 | ||||||
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=1775968357 | ||||||
Same first word
courses2day.com |
courses2day.org |
DNS History
4 records (4 active, 0 former)
●NSns1.afternic.com2026-03-03 → 2026-04-12 · 2 obs
● 2026-04-12 04:46:22
●NSns2.afternic.com2026-03-03 → 2026-04-12 · 2 obs
● 2026-04-12 04:46:22
●A13.248.169.482026-03-03 → 2026-04-12 · 2 obs
● 2026-04-12 04:46:22
●A76.223.54.1462026-03-03 → 2026-04-12 · 2 obs
● 2026-04-12 04:46:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| courses2day.com | ns1.afternic.com, ns2.afternic.com | 4 records |
✅ Authoritative Response
Server:97.74.98.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for courses2day.com (unsigned zone)
⏱️ Timing
Total: 98ms | 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: 4
Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)
Analysis
IP Addresses
courses2day.com resolves to two IPs: 13.248.169.48 and 76.223.54.146.
other host names for instance knightserver.com, w.aunty.com, mail.expresscable.com, tofd.com and ns1.thaem.com share IP numbers with courses2day.com.
Name Servers
courses2day.com is delegated to two name servers: ns1.afternic.com and ns2.afternic.com.
courses2day.com shares the same name server setup as other domains, for example arizonaanimalrescue.com, osteopaat.com, babis.org, maxtina.com and ns53.935333.com.
courses2day.com at least partially shares name servers with other domains, for instance emailspark.com, parusgroup.com, dufir.com, candorfunding.com and arnoub.com.
These name servers are commonly used with the name servers verification-iryqusbri9xlks4ssi7d4w.ns101.verify.hn.
Host names with two IP numbers:
ns1.afternic.com points to 2603:5:2126::45 and 97.74.98.69
ns2.afternic.com points to 2603:5:2226::45 and 173.201.66.69