nextclass.pro - robtex.com
nextclass.pro
pro
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.pro.afilias-nst.info ⭐ | ||||||
| NS | a2.pro.afilias-nst.info | ||||||
| NS | b0.pro.afilias-nst.org | ||||||
| NS | b2.pro.afilias-nst.org | ||||||
| NS | c0.pro.afilias-nst.info | ||||||
| NS | d0.pro.afilias-nst.org | ||||||
| SOA | a0.pro.afilias-nst.infohostmaster@donuts.email serial=1777216353 | ||||||
Same first word
Similar names
DNS History
9 records (9 active, 0 former)
●NSpdns73.ultradns.biz2026-03-29 → 2026-04-26 · 2 obs
● 2026-04-26 15:56:52
●NSpdns73.ultradns.co.uk2026-03-29 → 2026-04-26 · 2 obs
● 2026-04-26 15:56:52
●NSpdns73.ultradns.com2026-03-29 → 2026-04-26 · 2 obs
● 2026-04-26 15:56:52
●NSpdns73.ultradns.info2026-03-29 → 2026-04-26 · 2 obs
● 2026-04-26 15:56:52
●NSpdns73.ultradns.net2026-03-29 → 2026-04-26 · 2 obs
● 2026-04-26 15:56:52
●NSpdns73.ultradns.org2026-03-29 → 2026-04-26 · 2 obs
● 2026-04-26 15:56:52
●MXmail2026-03-29 → 2026-04-26 · 2 obs
● 2026-04-26 15:56:52
●A2607:fbe0:1:42::182026-03-29 → 2026-04-26 · 2 obs
● 2026-04-26 15:56:52
●A74.117.179.102026-03-29 → 2026-04-26 · 2 obs
● 2026-04-26 15:56:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pro | a0.pro.afilias-nst.info, a2.pro.afilias-nst.info, b0.pro.afilias-nst.org, b2.pro.afilias-nst.org... | - |
| nextclass.pro | pdns73.ultradns.com, pdns73.ultradns.org, pdns73.ultradns.biz, pdns73.ultradns.info... | - |
✅ Authoritative Response
Server:156.154.68.73
NS records: pdns73.ultradns.com, pdns73.ultradns.org, pdns73.ultradns.biz, pdns73.ultradns.info, pdns73.ultradns.co.uk, pdns73.ultradns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nextclass.pro (unsigned zone)
⏱️ Timing
Total: 1963ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 74.117.179.10 |
| AAAA | 1 | 2607:fbe0:1:42::18 |
| NS | 6 | pdns73.ultradns.co.uk, pdns73.ultradns.biz... |
| MX | 1 | mail (pri: 10) |
| SOA | 1 | pdns73.ultradns.com pdns73.ultradns.com |
Analysis
IP Addresses
nextclass.pro resolves to two IPs: 2607:fbe0:1:42::18 and 74.117.179.10.
other host names for instance longterm-handle.pro, klutzy-suspect.pro, vividposition.pro, motionless-letter.pro and glamorous-rich.com share IP numbers with nextclass.pro.
Name Servers
nextclass.pro is delegated to six name servers: pdns73.ultradns.biz, pdns73.ultradns.com, pdns73.ultradns.info, pdns73.ultradns.net, pdns73.ultradns.org and pdns73.ultradns.co.uk.
nextclass.pro at least partially shares name servers with other domains, for instance iforexteam.com, needyinevitable.pro, measly-rock.com, unknownpicture.com and expensivesympathy.pro.
These name servers are often used with ns59.ultradns2.com and ns59.ultradns2.org.
Host names with two IP numbers:
pdns73.ultradns.biz points to 2610:a1:1015::6d and 156.154.66.73.
pdns73.ultradns.com points to 2001:502:f3ff::6d and 156.154.64.73.
pdns73.ultradns.info points to 2610:a1:1016::6d and 156.154.68.73.
pdns73.ultradns.net points to 2610:a1:1014::6d and 156.154.65.73.
pdns73.ultradns.org points to 2001:502:4612::6d and 156.154.67.73.
pdns73.ultradns.co.uk points to 2610:a1:1017::6d and 156.154.69.73.
Mail Servers
nextclass.pro is handled by a single mail server, mail.
nextclass.pro shares the same mail server setup as other domains, for instance frgweb.nl, adatimes.com, vast-award.pro, ambitious-run.pro and rightpiece.pro.
nextclass.pro shares mail servers with other domains at least partially, including 27region.ru, dnbn.co.kr, thriveots.com, tanchong.com.sg and x-internet.nl.