professors-round.com - robtex.com
professors-round.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774580592 | ||||||
MX for
professors-round.com |
Subdomains
www.professors-round.com |
Same first word
professors-round.com |
DNS History
8 records (7 active, 1 former)
●NSns1.xserver.jp2015-06-09 → 2026-03-27 · 2 obs
● 2026-03-27 03:21:34
●NSns2.xserver.jp2015-06-09 → 2026-03-27 · 2 obs
● 2026-03-27 03:21:34
●NSns3.xserver.jp2015-06-09 → 2026-03-27 · 2 obs
● 2026-03-27 03:21:34
●NSns4.xserver.jp2026-03-18 → 2026-03-27 · 3 obs
● 2026-03-18 02:12:28
● 2026-03-27 03:21:34
●NSns5.xserver.jp2026-03-18 → 2026-03-27 · 3 obs
● 2026-03-18 02:12:28
● 2026-03-27 03:21:34
●MXprofessors-round.com2015-06-09 → 2026-03-27 · 2 obs
● 2026-03-27 03:21:34
○A157.112.184.72015-06-09 → 2017-04-19 · 4 obs
● 2017-04-19 21:13:12
○ 2026-03-18 02:12:28
○ 2026-03-27 03:21:34
●A162.43.94.1822026-03-18 → 2026-03-27 · 3 obs
● 2026-03-18 02:12:28
● 2026-03-27 03:21:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net... | - |
| professors-round.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.170
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for professors-round.com (unsigned zone)
⏱️ Timing
Total: 1513ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.94.182 |
| NS | 3 | ns1.xserver.jp, ns2.xserver.jp... |
| MX | 1 | professors-round.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv16041.xserver.jp +a:professo |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Hierarchy
The parent of www.professors-round.com is professors-round.com.
Mail Server Role
The mail server for professors-round.com is professors-round.com.
IP Addresses
professors-round.com points to a single IP address: 162.43.94.182.
Other host names such as start-ast.com, arm-tax.com, www.professors-round.com, yama-camp.com and hitotoi.com share IPs with professors-round.com.
Name Servers
professors-round.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
professors-round.com at least partially shares name servers with other domains, for example maru-soh.com, tabidesu.com, koulog.com, code-think-place.com and an-ze.net.
Three IP numbers:
ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246
ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247
ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247
One IP number:
ns2.xserver.jp points to: 35.72.43.26
ns3.xserver.jp points to: 202.226.36.247
Mail Servers
One mail server handles professors-round.com; that server is professors-round.com.
professors-round.com points to a single IP number: 162.43.94.182.