concorde.edu - robtex.com
concorde.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=1772435516 | ||||||
rank #2000 in the tld
📈 Tranco rank: #171,142
Subdomains
mail.concorde.edu |
smtp.concorde.edu |
www.concorde.edu |
wp-test.concorde.edu |
content2.concorde.edu |
go.concorde.edu |
Same first word
Similar names
DNS History
13 records (8 active, 5 former)
●NSns1-33.azure-dns.com2026-03-13 → 2026-03-16 · 3 obs
● 2026-03-13 22:46:42
● 2026-03-16 10:26:30
○NSns1.arsalon.net2015-08-28 → 2020-02-05 · 4 obs
● 2020-02-05 15:51:28
○ 2026-03-13 22:46:42
○ 2026-03-16 10:26:30
●NSns2-33.azure-dns.net2026-03-13 → 2026-03-16 · 3 obs
● 2026-03-13 22:46:42
● 2026-03-16 10:26:30
○NSns2.arsalon.net2015-08-28 → 2020-02-05 · 4 obs
● 2020-02-05 15:51:28
○ 2026-03-13 22:46:42
○ 2026-03-16 10:26:30
●NSns3-33.azure-dns.org2026-03-13 → 2026-03-16 · 3 obs
● 2026-03-13 22:46:42
● 2026-03-16 10:26:30
●NSns4-33.azure-dns.info2026-03-13 → 2026-03-16 · 3 obs
● 2026-03-13 22:46:42
● 2026-03-16 10:26:30
●MXconcorde-edu.mail.protection.outlook.com2015-08-28 → 2026-03-16 · 2 obs
● 2026-03-16 10:26:30
○A148.62.0.2272016-04-19 → 2017-08-30 · 5 obs
● 2016-04-19 04:28:28
● 2017-08-30 11:23:32
○ 2017-10-04 03:00:26
○ 2026-03-16 10:26:30
○A174.143.186.462015-08-28 → 2016-01-24 · 4 obs
● 2016-01-24 03:48:22
○ 2016-04-19 04:28:28
○ 2026-03-16 10:26:30
●A23.185.0.22026-03-13 → 2026-03-16 · 3 obs
● 2026-03-13 22:46:42
● 2026-03-16 10:26:30
●A2620:12a:8000::22026-03-13 → 2026-03-16 · 3 obs
● 2026-03-13 22:46:42
● 2026-03-16 10:26:30
●A2620:12a:8001::22026-03-13 → 2026-03-16 · 3 obs
● 2026-03-13 22:46:42
● 2026-03-16 10:26:30
○A34.200.53.582017-10-04 → 2020-02-05 · 5 obs
● 2017-10-04 03:00:26
● 2020-02-05 15:51:28
○ 2026-03-13 22:46:42
○ 2026-03-16 10:26:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| edu | m.edu-servers.net, c.edu-servers.net, f.edu-servers.net, e.edu-servers.net... | - |
| concorde.edu | ns3-33.azure-dns.org, ns4-33.azure-dns.info, ns1-33.azure-dns.com, ns2-33.azure-dns.net | - |
✅ Authoritative Response
Server: 150.171.16.33
NS records: ns3-33.azure-dns.org, ns4-33.azure-dns.info, ns1-33.azure-dns.com, ns2-33.azure-dns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for concorde.edu (unsigned zone)
⏱️ Timing
Total: 456ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.185.0.2 |
| AAAA | 2 | 2620:12a:8000::2, 2620:12a:8001::2 |
| NS | 4 | ns1-33.azure-dns.com, ns2-33.azure-dns.net... |
| MX | 1 | concorde-edu.mail.protection.outlook.com |
| TXT | 13 | spf2.0/pra a mx include:emailer.emfluenc, google-site-verification=BFf8dieedkb8QTP... |
| SOA | 1 | ns1-33.azure-dns.com dnsadmin.arsalon.ne |
Analysis
Hierarchy
concorde.edu is the parent of mail.concorde.edu, smtp.concorde.edu, www.concorde.edu, wp-test.concorde.edu, content2.concorde.edu and a few other host names.
IP Addresses
concorde.edu points to three IPs: 2620:12a:8000::2, 2620:12a:8001::2 and 23.185.0.2.
other host names including polte.com, ecgnet.org, victoriapark.org, ncapitalllc.com and ccts.uic.edu share IP numbers with concorde.edu.
Name Servers
concorde.edu is delegated to four name servers: ns1-33.azure-dns.com, ns4-33.azure-dns.info, ns2-33.azure-dns.net and ns3-33.azure-dns.org.
concorde.edu at least partially shares name servers with other domains, for instance powerapp.eu, isthisdomainsafe.com, jbsprings.com, e-protec.it and kellyunderwriting.com.
These name servers are commonly used with ns2-33.azure-dns.com, ns3-33.azure-dns.com and ns4-33.azure-dns.com.
Host names with two IP numbers:
ns1-33.azure-dns.com points to 2603:1061:0:10::21 and 150.171.10.33; ns4-33.azure-dns.info points to 2620:1ec:bda:10::21 and 13.107.206.33; ns2-33.azure-dns.net points to 2620:1ec:8ec:10::21 and 150.171.16.33; ns3-33.azure-dns.org points to 2a01:111:4000:10::21 and 13.107.222.33.
Mail Servers
concorde.edu is handled by a single mail server, concorde-edu.mail.protection.outlook.com.
Host concorde-edu.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c922::1, 2a01:111:f403:c946::2, 2a01:111:f403:f90a::1, 2a01:111:f403:f90b::, 52.101.9.0, 52.101.11.7, 52.101.41.54 and 52.101.194.13.