www.mathprograms.org - dns.ninja
www.mathprograms.org
mathprograms.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 152.3.99.226🇺🇸 DUKE-INTERCHANGE152.3.0.0/16 Duke 152.3.0.0/16 | ||||||
| NS | dns-auth-01.oit.duke.edu ⭐ | ||||||
| NS | dns-auth-02.oit.duke.edu | ||||||
| NS | dns-nc1-01.oit.duke.edu | ||||||
| MX | mathprograms-org.mail.protection.outlook.com ⭐ | ||||||
| TXT | 0ed1fe018aeea3bf39941447dfb934b7e1ddd6e491 | ||||||
| TXT | MS=ms65764357 | ||||||
| TXT | v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ip4:152.3.99.226 ip4:... | ||||||
| SOA | dns-auth-01.oit.duke.edudatacom-hostmaster@duke.edu serial=758822949 | ||||||
WOT: SAFE (74/100)
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
○A152.3.25.2442015-06-16 → 2020-02-15 · 4 obs
● 2020-02-15 15:48:14
○ 2026-02-18 08:19:54
○ 2026-06-09 20:31:20
●CNAMEmathprograms.org2026-02-18 → 2026-06-09 · 2 obs
● 2026-06-09 20:31:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| mathprograms.org | dns-auth-02.oit.duke.edu, dns-auth-01.oit.duke.edu, dns-nc1-01.oit.duke.edu | - |
✅ Authoritative Response
Server:152.3.105.232
NS records: dns-auth-02.oit.duke.edu, dns-auth-01.oit.duke.edu, dns-nc1-01.oit.duke.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathprograms.org (unsigned zone)
⏱️ Timing
Total: 428ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | mathprograms.org |
Analysis
IP Addresses
www.mathprograms.org resolves to just one IP address, 152.3.99.226.
Two other host names, along with nero2.math.duke.edu, academicjobsonline.org and mathjobs.org, also share IP numbers with www.mathprograms.org.
Name Servers
www.mathprograms.org is served by three name servers: dns-auth-01.oit.duke.edu, dns-auth-02.oit.duke.edu and dns-nc1-01.oit.duke.edu.
At least some of www.mathprograms.org's name servers are shared with other domains, for example becon.duke.edu, moffittcaspi.com, trln.org and two more.
dns-auth-01.oit.duke.edu has IP address 152.3.103.93, dns-auth-02.oit.duke.edu has IP address 152.3.105.232 and dns-nc1-01.oit.duke.edu has IP address 67.159.96.12 — one address each.
Mail Servers
The sole mail server for www.mathprograms.org is mathprograms-org.mail.protection.outlook.com.
Mail server setup for www.mathprograms.org matches that of other domains, among them mathprograms.org.
mathprograms-org.mail.protection.outlook.com resolves to 8 IP numbers in total: 40.93.192.1, 40.93.192.4, 52.101.8.44 and five additional addresses.