proglearn.com - dns.ninja
proglearn.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=1786248444 | ||||||
MX for
proglearn.com |
Same first word
proglearn.com |
Similar names
DNS History
10 records (7 active, 3 former)
○NSdns1.onamae.com2019-02-03 → 2019-02-03 · 3 obs
○ 2026-02-16 04:43:16
○ 2026-08-09 04:09:52
○NSdns2.onamae.com2019-02-03 → 2019-02-03 · 3 obs
○ 2026-02-16 04:43:16
○ 2026-08-09 04:09:52
●NSns1.xserver.jp2026-02-16 → 2026-08-09 · 3 obs
● 2026-02-16 04:43:16
● 2026-08-09 04:09:52
●NSns2.xserver.jp2026-02-16 → 2026-08-09 · 3 obs
● 2026-02-16 04:43:16
● 2026-08-09 04:09:52
●NSns3.xserver.jp2026-02-16 → 2026-08-09 · 3 obs
● 2026-02-16 04:43:16
● 2026-08-09 04:09:52
●NSns4.xserver.jp2026-02-16 → 2026-08-09 · 3 obs
● 2026-02-16 04:43:16
● 2026-08-09 04:09:52
●NSns5.xserver.jp2026-02-16 → 2026-08-09 · 3 obs
● 2026-02-16 04:43:16
● 2026-08-09 04:09:52
●MXproglearn.com2026-02-16 → 2026-08-09 · 2 obs
● 2026-08-09 04:09:52
○A150.95.255.382019-02-03 → 2019-02-03 · 3 obs
○ 2026-02-16 04:43:16
○ 2026-08-09 04:09:52
●A202.233.67.1592026-02-16 → 2026-08-09 · 3 obs
● 2026-02-16 04:43:16
● 2026-08-09 04:09:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| proglearn.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp | - |
✅ Authoritative Response
Server:202.226.36.246
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for proglearn.com (unsigned zone)
⏱️ Timing
Total: 1240ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.233.67.159 |
| NS | 5 | ns2.xserver.jp, ns4.xserver.jp... |
| MX | 1 | proglearn.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv12638.xserver.jp +a:proglear |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
proglearn.com serves as a mail server for proglearn.com.
IP Addresses
proglearn.com has exactly one IP address — 202.233.67.159.
quarro.com, mail.tango.or.jp, tango.or.jp plus two other host names have IP numbers in common with proglearn.com.
Name Servers
Five name servers handle delegation for proglearn.com: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
At least some of proglearn.com's name servers are shared with other domains, for example dink.co.jp, xhome.jp, mamebond.com and two more.
These name servers tend to be deployed in combination with the name servers ns4.xserver.jp and ns5.xserver.jp.
Host names carrying three IP numbers:
The hostname ns1.xserver.jp points to 202.226.36.164, 202.226.36.170 and 202.226.36.246.
The hostname ns4.xserver.jp points to 183.90.224.226, 183.90.224.230 and 202.226.39.247.
The hostname ns5.xserver.jp points to 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names resolving to a single IP address:
The hostname ns2.xserver.jp resolves to 35.72.43.26.
The hostname ns3.xserver.jp resolves to 202.226.36.247.
Mail Servers
proglearn.com uses exactly one mail server, which is proglearn.com.
proglearn.com carries a single IP number, which is 202.233.67.159.