professorexpert.org - robtex.com
professorexpert.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1786298360 | ||||||
Same first word
professorexpert.com |
professorexpert.co.uk |
professorexpert.net |
professorexpert.org |
DNS History
8 records (6 active, 2 former)
●NS208.91.197.912026-04-07 → 2026-08-09 · 3 obs
● 2026-04-07 02:31:46
● 2026-08-09 18:36:06
●NSns1.whois.com2026-04-07 → 2026-08-09 · 3 obs
● 2026-04-07 02:31:46
● 2026-08-09 18:36:06
●NSns2.whois.com2026-04-07 → 2026-08-09 · 3 obs
● 2026-04-07 02:31:46
● 2026-08-09 18:36:06
●NSns4.whois.com2026-04-07 → 2026-08-09 · 3 obs
● 2026-04-07 02:31:46
● 2026-08-09 18:36:06
●A127.0.0.12026-05-23 → 2026-08-09 · 3 obs
● 2026-05-23 07:25:42
● 2026-08-09 18:36:06
○A69.16.192.642015-08-20 → 2017-03-28 · 4 obs
● 2017-03-28 10:36:24
○ 2026-04-07 02:31:46
○ 2026-08-09 18:36:06
○A75.2.103.232026-04-07 → 2026-04-07 · 4 obs
● 2026-04-07 02:31:46
○ 2026-05-23 07:25:42
○ 2026-08-09 18:36:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| professorexpert.org | ns2.whois.com, ns4.whois.com, ns1.whois.com, ns3.whois.com | - |
✅ Authoritative Response
Server:162.251.82.121
NS records: ns2.whois.com, ns4.whois.com, ns1.whois.com, ns3.whois.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for professorexpert.org (unsigned zone)
⏱️ Timing
Total: 494ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 127.0.0.1 |
| SOA | 1 | 208.91.197.91 hostmaster.professorexpert |
Analysis
IP Addresses
professorexpert.org resolves to one IP address: 127.0.0.1.
china-slate.com, alcorush-izhevsk.site, digital-bild.mobi and two other host names share IP numbers with professorexpert.org.
Name Servers
professorexpert.org has five name servers, which are ns1.whois.com, ns2.whois.com, ns3.whois.com and two others.
At least some of professorexpert.org's name servers are shared with other domains, for example www.panasonic-sd-yd250-automatic-breadmaker.vanquishx.com, washingtoncpafirms.com, usins.us and two more.
These name servers tend to co-occur with ns4.whois.com, 208.91.197.91, dns1.bigrock.in and 3 other name servers in the same DNS delegations.
ns1.whois.com, ns2.whois.com, ns3.whois.com and ns4.whois.com are host names that each resolve to four IP numbers: ns1.whois.com resolves to 162.251.82.122, 162.251.82.123, 162.251.82.250 and 162.251.82.251, ns2.whois.com resolves to 162.251.82.120, 162.251.82.121, 162.251.82.248 and 162.251.82.249, ns3.whois.com resolves to 162.251.82.118, 162.251.82.119, 162.251.82.246 and 162.251.82.247 and ns4.whois.com resolves to 162.251.82.124, 162.251.82.125, 162.251.82.252 and 162.251.82.253.