sdlearn.com - robtex.com
sdlearn.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.33.251.168🇺🇸 Amazon3.33.240.0/20 | ||||||
| PTR | aec037177372cc6cd.awsglobalaccelerator.com | ||||||
| A | 15.197.225.128🇺🇸 Amazon15.197.224.0/20 | ||||||
| NS | ns17.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21c0::9🇺🇸 GODADDY-DNS2603:5:21c0::/44 | ||||||
| PTR | ns17.domaincontrol.com | ||||||
| A | 97.74.108.9🇺🇸 GODADDY-DNS97.74.108.0/23 | ||||||
| PTR | ns17.domaincontrol.com | ||||||
| NS | ns18.domaincontrol.com | ||||||
| A | 2603:5:22c0::9🇺🇸 GODADDY-DNS2603:5:22c0::/44 | ||||||
| PTR | ns18.domaincontrol.com | ||||||
| A | 173.201.76.9🇺🇸 GODADDY-DNS173.201.76.0/23 | ||||||
| PTR | ns18.domaincontrol.com | ||||||
| MX | sdlearn-com.mail.protection.outlook.com ⭐ | ||||||
| TXT | v=spf1 include:secureserver.net -all | ||||||
| TXT | NETORGFT10006215.onmicrosoft.com | ||||||
| SOA | ns17.domaincontrol.comdns@jomax.net 2026-03-23 #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=1776983296 | ||||||
Previously MX for
sdlearn.com |
Subdomains
mail.sdlearn.com |
Same first word
sdlearn.com |
Similar names
DNS History
10 records (5 active, 5 former)
○NSns1.sdlearn.com2015-05-23 → 2017-04-08 · 4 obs
● 2017-04-08 11:24:24
○ 2026-04-03 21:28:54
○ 2026-04-23 22:39:32
●NSns17.domaincontrol.com2026-04-03 → 2026-04-23 · 3 obs
● 2026-04-03 21:28:54
● 2026-04-23 22:39:32
●NSns18.domaincontrol.com2026-04-03 → 2026-04-23 · 3 obs
● 2026-04-03 21:28:54
● 2026-04-23 22:39:32
○NSns2.sdlearn.com2015-05-23 → 2017-04-08 · 4 obs
● 2017-04-08 11:24:24
○ 2026-04-03 21:28:54
○ 2026-04-23 22:39:32
○MXmail.sdlearn.com2016-01-21 → 2017-04-08 · 5 obs
● 2016-01-21 07:53:20
● 2017-04-08 11:24:24
○ 2026-04-03 21:28:54
○ 2026-04-23 22:39:32
●MXsdlearn-com.mail.protection.outlook.com2026-04-03 → 2026-04-23 · 3 obs
● 2026-04-03 21:28:54
● 2026-04-23 22:39:32
○MXsdlearn.com2015-05-23 → 2015-10-16 · 4 obs
● 2015-10-16 04:37:30
○ 2016-01-21 07:53:20
○ 2026-04-23 22:39:32
●A15.197.225.1282026-04-03 → 2026-04-23 · 3 obs
● 2026-04-03 21:28:54
● 2026-04-23 22:39:32
○A192.232.240.1822015-05-23 → 2017-04-08 · 4 obs
● 2017-04-08 11:24:24
○ 2026-04-03 21:28:54
○ 2026-04-23 22:39:32
●A3.33.251.1682026-04-03 → 2026-04-23 · 3 obs
● 2026-04-03 21:28:54
● 2026-04-23 22:39:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sdlearn.com | ns17.domaincontrol.com, ns18.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.76.9
NS records: ns17.domaincontrol.com, ns18.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sdlearn.com (unsigned zone)
⏱️ Timing
Total: 73ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.225.128, 3.33.251.168 |
| NS | 2 | ns17.domaincontrol.com, ns18.domaincontrol.com |
| MX | 1 | sdlearn-com.mail.protection.outlook.com |
| TXT | 2 | v=spf1 include:secureserver.net -all, NETORGFT10006215.onmicrosoft.com |
| SOA | 1 | ns17.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns17.domaincontrol.com, ns17.domaincontrol.com, ns18.domaincontrol.com...)
Analysis
Hierarchy
sdlearn.com is the parent of mail.sdlearn.com.
IP Addresses
sdlearn.com resolves to two IP numbers: 3.33.251.168 and 15.197.225.128.
other host names including texasheart.net, jumpions.com, coachelladrones.info, tribalwhipsstore.com and missionglobal.co share IP numbers with sdlearn.com.
Name Servers
sdlearn.com is delegated to two name servers ns17.domaincontrol.com and ns18.domaincontrol.com.
sdlearn.com shares the same name server setup as other domains, for instance impactgroup.in, austriaarms.com, emilyfosen.com, fordementia.org.uk and sellusyourland.com.
sdlearn.com at least partially shares name servers with other domains, for instance ppiway.com.
Host names with two IP numbers:
The host name ns17.domaincontrol.com points to 2603:5:21c0::9 and 97.74.108.9; the host name ns18.domaincontrol.com points to 2603:5:22c0::9 and 173.201.76.9.
Mail Servers
sdlearn.com is handled by a single mail server, sdlearn-com.mail.protection.outlook.com.