elflearning.jp - robtex.com
elflearning.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 67.209.125.247🇺🇸 A2HOSTING67.209.120.0/21 A2 Hosting, Inc. | ||||||
| PTR | 67.209.125.247.static.supercp.com | ||||||
| NS | ns1.a2hosting.com ⭐ | ||||||
| A | 13.248.158.180🇺🇸 Amazon13.248.144.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns2.a2hosting.com | ||||||
| A | 75.2.118.134🇺🇸 Amazon75.2.112.0/20 | ||||||
| PTR | abc65dd9a44b5332f.awsglobalaccelerator.com | ||||||
| NS | ns3.a2hosting.com | ||||||
| A | 76.223.26.245🇺🇸 Amazon76.223.16.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns4.a2hosting.com ⚠️ Not in parent delegation | ||||||
| A | 99.83.147.209🇺🇸 Amazon99.83.144.0/20 | ||||||
| PTR | abc65dd9a44b5332f.awsglobalaccelerator.com | ||||||
| MX | mail.elflearning.jp ⭐ | ||||||
| A | 67.209.125.247🇺🇸 A2HOSTING67.209.120.0/21 A2 Hosting, Inc. | ||||||
| PTR | 67.209.125.247.static.supercp.com | ||||||
| TXT | v=spf1 ip4:85.187.128.44 include:spf.a2hosting.com +a +mx +ip4:216.137.184.50... | ||||||
| SOA | ns1.a2hosting.comroot@sg1-ts5.a2hosting.com 2026-02-17 #1 | ||||||
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1774617302 | ||||||
Previously MX for
elflearning.jp |
Subdomains
Same first word
elflearning.jp |
Similar names
DNS History
19 records (6 active, 13 former)
○NSdns1.midphase.com2015-07-20 → 2016-07-11 · 4 obs
● 2016-07-11 02:20:42
○ 2017-03-14 18:04:48
○ 2026-03-27 13:21:32
○NSdns2.midphase.com2015-07-20 → 2016-07-11 · 4 obs
● 2016-07-11 02:20:42
○ 2017-03-14 18:04:48
○ 2026-03-27 13:21:32
●NSns1.a2hosting.com2026-03-09 → 2026-03-27 · 3 obs
● 2026-03-09 18:21:36
● 2026-03-27 13:21:32
○NSns1.webfaction.com2017-03-14 → 2017-03-14 · 4 obs
● 2017-03-14 18:04:48
○ 2026-03-09 18:21:36
○ 2026-03-27 13:21:32
●NSns2.a2hosting.com2026-03-09 → 2026-03-27 · 3 obs
● 2026-03-09 18:21:36
● 2026-03-27 13:21:32
○NSns2.webfaction.com2017-03-14 → 2017-03-14 · 4 obs
● 2017-03-14 18:04:48
○ 2026-03-09 18:21:36
○ 2026-03-27 13:21:32
●NSns3.a2hosting.com2026-03-09 → 2026-03-27 · 3 obs
● 2026-03-09 18:21:36
● 2026-03-27 13:21:32
○NSns3.webfaction.com2017-03-14 → 2017-03-14 · 4 obs
● 2017-03-14 18:04:48
○ 2026-03-09 18:21:36
○ 2026-03-27 13:21:32
●NSns4.a2hosting.com2026-03-09 → 2026-03-27 · 3 obs
● 2026-03-09 18:21:36
● 2026-03-27 13:21:32
○NSns4.webfaction.com2017-03-14 → 2017-03-14 · 4 obs
● 2017-03-14 18:04:48
○ 2026-03-09 18:21:36
○ 2026-03-27 13:21:32
○MXelflearning.jp2015-07-20 → 2016-07-11 · 4 obs
● 2016-07-11 02:20:42
○ 2017-03-14 18:04:48
○ 2026-03-27 13:21:32
●MXmail.elflearning.jp2026-03-09 → 2026-03-27 · 3 obs
● 2026-03-09 18:21:36
● 2026-03-27 13:21:32
○MXmx7.webfaction.com2017-03-14 → 2017-03-14 · 4 obs
● 2017-03-14 18:04:48
○ 2026-03-09 18:21:36
○ 2026-03-27 13:21:32
○MXmx8.webfaction.com2017-03-14 → 2017-03-14 · 4 obs
● 2017-03-14 18:04:48
○ 2026-03-09 18:21:36
○ 2026-03-27 13:21:32
○MXmx9.webfaction.com2017-03-14 → 2017-03-14 · 4 obs
● 2017-03-14 18:04:48
○ 2026-03-09 18:21:36
○ 2026-03-27 13:21:32
○A174.127.109.1052015-07-20 → 2016-07-11 · 4 obs
● 2016-07-11 02:20:42
○ 2017-03-14 18:04:48
○ 2026-03-27 13:21:32
○A2600:3c00::f03c:91ff:fe2c:21ed2017-03-14 → 2017-03-14 · 4 obs
● 2017-03-14 18:04:48
○ 2026-03-09 18:21:36
○ 2026-03-27 13:21:32
○A45.79.8.1452017-03-14 → 2017-03-14 · 4 obs
● 2017-03-14 18:04:48
○ 2026-03-09 18:21:36
○ 2026-03-27 13:21:32
●A67.209.125.2472026-03-09 → 2026-03-27 · 3 obs
● 2026-03-09 18:21:36
● 2026-03-27 13:21:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| elflearning.jp | ns3.a2hosting.com, ns1.a2hosting.com, ns2.a2hosting.com | - |
✅ Authoritative Response
Server:76.223.26.245
NS records: ns3.a2hosting.com, ns1.a2hosting.com, ns2.a2hosting.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for elflearning.jp (unsigned zone)
⏱️ Timing
Total: 836ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 67.209.125.247 |
| NS | 4 | ns2.a2hosting.com, ns1.a2hosting.com... |
| MX | 1 | mail.elflearning.jp (pri: 0) |
| TXT | 1 | v=spf1 ip4:85.187.128.44 include:spf.a2h |
| SOA | 1 | ns1.a2hosting.com root.sg1-ts5.a2hosting |
Analysis
Hierarchy
elflearning.jp is a parent of mail.elflearning.jp and www.elflearning.jp.
IP Addresses
elflearning.jp points to IP number 67.209.125.247.
Other host names, for instance, mail.elflearning.jp share IP numbers with elflearning.jp.
Name Servers
elflearning.jp is delegated to four name servers: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com and ns4.a2hosting.com.
elflearning.jp shares name servers with other domains at least partially, for example ismartm.com, blessedchildrenacademy.com, vidivy.com, careerkindle.com and afhsco.com.
these name servers are often used with the following: ns1.a2webhosting.com, ns2.a2webhosting.com, ns1.mysecurecloudhost.com, ns2.mysecurecloudhost.com, ns3.mysecurecloudhost.com, ns4.mysecurecloudhost.com, ns1.supercp.com, ns2.supercp.com, ns3.supercp.com and ns4.supercp.com.
Host names with a single IP:
ns1.a2hosting.com points to 13.248.158.180
ns2.a2hosting.com points to 75.2.118.134
ns3.a2hosting.com points to 76.223.26.245
ns4.a2hosting.com points to 99.83.147.209
Mail Servers
elflearning.jp is handled by a single mail server, mail.elflearning.jp.
mail.elflearning.jp points to a single IP: 67.209.125.247.