cus.edu - robtex.com
cus.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=1775932807 | ||||||
Subdomains
Same first word
Similar names
DNS History
12 records (6 active, 6 former)
○NSdns.cuis.edu2015-08-09 → 2017-09-07 · 4 obs
● 2017-09-07 22:17:16
○ 2021-03-03 08:23:00
○ 2026-04-11 18:53:54
○NSdns.lcms.org2015-08-09 → 2016-12-14 · 4 obs
● 2016-12-14 06:09:00
○ 2017-01-02 16:07:04
○ 2026-04-11 18:53:54
●NSns1-09.azure-dns.com2021-03-03 → 2026-04-11 · 3 obs
● 2021-03-03 08:23:00
● 2026-04-11 18:53:54
○NSns1.cune.edu2016-12-10 → 2017-09-07 · 5 obs
● 2016-12-10 11:07:40
● 2017-09-07 22:17:16
○ 2021-03-03 08:23:00
○ 2026-04-11 18:53:54
●NSns2-09.azure-dns.net2021-03-03 → 2026-04-11 · 3 obs
● 2021-03-03 08:23:00
● 2026-04-11 18:53:54
○NSns2.cune.edu2016-12-10 → 2017-09-07 · 5 obs
● 2016-12-10 11:07:40
● 2017-09-07 22:17:16
○ 2021-03-03 08:23:00
○ 2026-04-11 18:53:54
●NSns3-09.azure-dns.org2021-03-03 → 2026-04-11 · 3 obs
● 2021-03-03 08:23:00
● 2026-04-11 18:53:54
●NSns4-09.azure-dns.info2021-03-03 → 2026-04-11 · 3 obs
● 2021-03-03 08:23:00
● 2026-04-11 18:53:54
●MXcus-edu.mail.protection.outlook.com2015-08-09 → 2026-04-11 · 2 obs
● 2026-04-11 18:53:54
○A192.111.36.442015-09-06 → 2017-09-07 · 4 obs
● 2017-09-07 22:17:16
○ 2021-03-03 08:23:00
○ 2026-04-11 18:53:54
●A20.125.209.1272026-02-25 → 2026-04-11 · 3 obs
● 2026-02-25 18:07:52
● 2026-04-11 18:53:54
○A20.65.16.1882021-03-03 → 2021-09-29 · 5 obs
● 2021-03-03 08:23:00
● 2021-09-29 01:59:32
○ 2026-02-25 18:07:52
○ 2026-04-11 18:53:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| edu | a.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net... | - |
| cus.edu | ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org, ns4-09.azure-dns.info | - |
✅ Authoritative Response
Server:13.107.236.9
NS records: ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org, ns4-09.azure-dns.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cus.edu (unsigned zone)
⏱️ Timing
Total: 455ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 20.125.209.127 |
| NS | 4 | ns1-09.azure-dns.com, ns2-09.azure-dns.net... |
| MX | 1 | cus-edu.mail.protection.outlook.com (pri |
| TXT | 4 | MS=ms15610620, v=spf1 include:spf.protection.outlook.co... |
| SOA | 1 | ns1-09.azure-dns.com azuredns-hostmaster |
Analysis
Hierarchy
cus.edu is parent of cais.cus.edu and www.cus.edu.
IP Addresses
cus.edu points to a single IP: 20.125.209.127.
Other host names, for instance givenowlcms.org, classic99.com, lutheranaudio.com, lcmsu.org and lutheranreformation.org share IP numbers with cus.edu.
Name Servers
cus.edu is delegated to four name servers: ns1-09.azure-dns.com, ns4-09.azure-dns.info, ns2-09.azure-dns.net and ns3-09.azure-dns.org.
cus.edu at least partially shares its name servers with other domains, for instance dynamics.info, barracudawebfilter.com, mrcc.fo, mmpsschool.org and coke.me.
Host names with two IPs: ns1-09.azure-dns.com points to 2603:1061:0:700::9 and 13.107.236.9; ns4-09.azure-dns.info points to 2620:1ec:bda:700::9 and 208.84.5.9; ns2-09.azure-dns.net points to 2620:1ec:8ec:700::9 and 150.171.21.9; ns3-09.azure-dns.org points to 2a01:111:4000:700::9 and 204.14.183.9.
Mail Servers
cus.edu is served by a single mail server, cus-edu.mail.protection.outlook.com.
The host name cus-edu.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:f802::1, 2a01:111:f403:f802::2, 2a01:111:f403:f804::2, 2a01:111:f403:f902::, 52.101.9.5, 52.101.10.6, 52.101.11.3 and 52.101.41.54.