sam.edu - robtex.com
sam.edu
edu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.edu-servers.net ⭐ | ||||||
| NS | b.edu-servers.net | ||||||
| NS | c.edu-servers.net | ||||||
| NS | d.edu-servers.net | ||||||
| NS | e.edu-servers.net | ||||||
| NS | f.edu-servers.net | ||||||
| NS | g.edu-servers.net | ||||||
| NS | h.edu-servers.net | ||||||
| NS | i.edu-servers.net | ||||||
| NS | j.edu-servers.net | ||||||
| NS | k.edu-servers.net | ||||||
| NS | l.edu-servers.net | ||||||
| NS | m.edu-servers.net | ||||||
| SOA | a.edu-servers.netnstld@verisign-grs.com serial=1771608165 | ||||||
Subdomains
www.sam.edu |
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
●NSns3.shsu.edu2026-02-23 → 2026-03-01 · 3 obs
● 2026-02-23 04:22:44
● 2026-03-01 01:21:12
●MXsam-edu.mail.protection.outlook.com2015-08-26 → 2026-03-01 · 4 obs
● 2017-05-24 00:07:42
○ 2026-02-23 04:22:44
● 2026-03-01 01:21:12
○A158.135.1.2422015-08-26 → 2017-05-24 · 4 obs
● 2017-05-24 00:07:42
○ 2026-02-23 04:22:44
○ 2026-03-01 01:21:12
○A35.71.166.1102026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 04:22:44
○ 2026-03-01 01:21:12
○A52.223.43.1342026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 04:22:44
○ 2026-03-01 01:21:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| edu | a.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net... | 26 records |
| sam.edu | ns.shsu.edu, ns2.shsu.edu, ns3.shsu.edu | 5 records |
✅ Authoritative Response
Server: 158.135.1.20
NS records: ns.shsu.edu, ns2.shsu.edu, ns3.shsu.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sam.edu (unsigned zone)
⏱️ Timing
Total: 387ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 35.71.166.110, 52.223.43.134 |
| MX | 1 | sam-edu.mail.protection.outlook.com (pri |
| TXT | 6 | _globalsign-domain-verification=Qk1Pi4ZA, globalsign-domain-verification=1xYK3e49-... |
| SOA | 1 | ns.shsu.edu hostmaster.shsu.edu |
📌 Glue Records Collected
Total: 31
Out-of-bailiwick: 31 (a.edu-servers.net, b.edu-servers.net, c.edu-servers.net...)
Analysis
Hierarchy
The parent of www.sam.edu is sam.edu.
Name Servers
sam.edu is delegated to three name servers: ns2.shsu.edu, ns3.shsu.edu and ns.shsu.edu.
sam.edu at least partially shares name servers with other domains, for instance cjcenter.org, lemitonline.org, cmitonline.org, discoverlife.org and shsu.edu.
these name servers are often used in conjunction with the name servers windn(0x736578)t01.shsu.edu.
Host names with two IP numbers:
ns2.shsu.edu points to: 2620:7e:c080::1c8 and 158.135.1.200.
ns.shsu.edu points to: 2620:7e:c080::114 and 158.135.1.20.
Host names with one IP number:
ns3.shsu.edu points to: 192.92.115.20.
Mail Servers
sam.edu is handled by a single mail server, sam-edu.mail.protection.outlook.com.
Host name sam-edu.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c802::, 2a01:111:f403:c902::1, 2a01:111:f403:c902::7, 2a01:111:f403:c946::1, 52.101.10.2, 52.101.40.0, 52.101.41.180 and 52.101.42.16.