securityclassroom.com - robtex.com
securityclassroom.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 | ns3.afternic.com ⭐ | ||||||
| A | 97.74.98.65🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns3.afternic.com | ||||||
| NS | ns4.afternic.com | ||||||
| A | 173.201.66.65🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns4.namefind.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns3.afternic.comdns@jomax.net 2025-10-01 #0 | ||||||
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=1774546022 | ||||||
Same first word
securityclassroom.com |
DNS History
6 records (4 active, 2 former)
○NSns1.afternic.com2015-06-22 → 2017-07-03 · 3 obs
● 2017-07-03 14:59:12
○ 2026-03-26 17:52:24
●NSns3.afternic.com2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 17:52:24
●NSns4.afternic.com2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 17:52:24
●A13.248.169.482026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 17:52:24
○A184.168.221.1042015-06-22 → 2017-07-03 · 3 obs
● 2017-07-03 14:59:12
○ 2026-03-26 17:52:24
●A76.223.54.1462026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 17:52:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| securityclassroom.com | ns3.afternic.com, ns4.afternic.com | 2 records |
✅ Authoritative Response
Server:97.74.98.65
NS records: ns3.afternic.com, ns4.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for securityclassroom.com (unsigned zone)
⏱️ Timing
Total: 74ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 13.248.169.48, 76.223.54.146 |
| NS | 2 | ns3.afternic.com, ns4.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns3.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns3.afternic.com, ns4.afternic.com)
Analysis
IP Addresses
securityclassroom.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.
Other host names such as mx020828.tetralife.com, cellphonecloseout.com, telelarm.com, optimanow.com and smartpci.com share IPs with securityclassroom.com.
Name Servers
securityclassroom.com is delegated to two name servers: ns3.afternic.com and ns4.afternic.com.
securityclassroom.com shares the same name server setup as star-vip.com, clojure.co, thegridnet.biz, 23.19.42.106.rdns.ubiquity.io and buyadentaldomain.com.
securityclassroom.com at least partially shares name servers with other domains, for instance oexperts.com, zjqb.com, progressservices.com, dropfee.com and texastulips.com.
these name servers are often used in conjunction with the name servers verification-frsgyqgb387khmr9jzuunx.ns101.verify.hn.
Host names with a single IP:
ns3.afternic.com points to 97.74.98.65.
ns4.afternic.com points to 173.201.66.65.