data-learning.com - dns.ninja

`data-learning.com`

DNSSEC	⚠️ Not signed
A	13.112.187.226^{🇯🇵 Amazon13.112.0.0/14 EC2 NRT prefix}
		PTR	`ec2-13-112-187-226.ap-northeast-1.compute.amazonaws.com`
NS	`ns1.xserver.jp` ⭐
		A	202.226.36.164^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.170^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.246^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns1.xserver.jp`
NS	`ns2.xserver.jp`
		A	35.72.43.26^{🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix}
			PTR	`ns2.xserver.jp`
NS	`ns3.xserver.jp`
		A	202.226.36.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns3.xserver.jp`
NS	`ns4.xserver.jp`
		A	183.90.224.226^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	183.90.224.230^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	202.226.39.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns4.xserver.jp`
NS	`ns5.xserver.jp`
		A	157.112.182.218^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.220^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	202.226.37.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns5.xserver.jp`
MX	`data-learning.com` ⭐
		A	13.112.187.226^{🇯🇵 Amazon13.112.0.0/14 EC2 NRT prefix}
			PTR	`ec2-13-112-187-226.ap-northeast-1.compute.amazonaws.com`
MX	`aspmx.l.google.com`⁽¹⁾
		A	2607:f8b0:4004:c25::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadtq-in-f26.1e100.net`
		A	172.253.115.26^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
TXT	`v=spf1 +a:sv8255.xserver.jp +a:data-learning.com +mx include:spf.sender.xserv...`
TXT	`google-site-verification=rxmFCUzDtSG8dNU5wt7FbPbCx4OljU2lmYP4sITtnwg`
TXT	`google-site-verification=-m2FFGmxePKMdFybxQTe9Fn8PjEk2zc_EbgFv5KmSyk`
SOA	`ns1.xserver.jp`root@xserver.jp serial=0

`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.net`nstld@verisign-grs.com serial=1786187479

MX for

data-learning.com

Subdomains

school.data-learning.com

www.data-learning.com

claude-code-school.data-learning.com

Same first word

data-learning.com

data-learning.net

Similar names

learning-data.com

DNS History

20 records (12 active, 8 former)

○NSdns1.registrar-servers.com2016-12-15 → 2017-08-25 · 4 obs

● 2016-12-15 04:34:10
● 2017-08-25 06:19:40
○ 2026-02-23 22:54:08
○ 2026-08-08 11:31:06

○NSdns2.registrar-servers.com2016-12-15 → 2017-08-25 · 4 obs

● 2016-12-15 04:34:10
● 2017-08-25 06:19:40
○ 2026-02-23 22:54:08
○ 2026-08-08 11:31:06

●NSns1.xserver.jp2026-02-23 → 2026-08-08 · 3 obs

○ 2017-08-25 06:19:40
● 2026-02-23 22:54:08
● 2026-08-08 11:31:06

●NSns2.xserver.jp2026-02-23 → 2026-08-08 · 3 obs

○ 2017-08-25 06:19:40
● 2026-02-23 22:54:08
● 2026-08-08 11:31:06

●NSns3.xserver.jp2026-02-23 → 2026-08-08 · 3 obs

○ 2017-08-25 06:19:40
● 2026-02-23 22:54:08
● 2026-08-08 11:31:06

●NSns4.xserver.jp2026-02-23 → 2026-08-08 · 3 obs

○ 2017-08-25 06:19:40
● 2026-02-23 22:54:08
● 2026-08-08 11:31:06

●NSns5.xserver.jp2026-02-23 → 2026-08-08 · 3 obs

○ 2017-08-25 06:19:40
● 2026-02-23 22:54:08
● 2026-08-08 11:31:06

●MXalt1.aspmx.l.google.com2026-02-23 → 2026-08-08 · 3 obs

○ 2017-08-25 06:19:40
● 2026-02-23 22:54:08
● 2026-08-08 11:31:06

●MXalt2.aspmx.l.google.com2026-02-23 → 2026-08-08 · 3 obs

○ 2017-08-25 06:19:40
● 2026-02-23 22:54:08
● 2026-08-08 11:31:06

●MXaspmx.l.google.com2026-02-23 → 2026-08-08 · 3 obs

○ 2017-08-25 06:19:40
● 2026-02-23 22:54:08
● 2026-08-08 11:31:06

●MXaspmx2.googlemail.com2026-02-23 → 2026-08-08 · 3 obs

○ 2017-08-25 06:19:40
● 2026-02-23 22:54:08
● 2026-08-08 11:31:06

●MXaspmx3.googlemail.com2026-02-23 → 2026-08-08 · 3 obs

○ 2017-08-25 06:19:40
● 2026-02-23 22:54:08
● 2026-08-08 11:31:06

●MXdata-learning.com2026-02-23 → 2026-08-08 · 3 obs

○ 2017-08-25 06:19:40
● 2026-02-23 22:54:08
● 2026-08-08 11:31:06

○MXeforward1.registrar-servers.com2016-12-15 → 2017-08-25 · 4 obs

● 2016-12-15 04:34:10
● 2017-08-25 06:19:40
○ 2026-02-23 22:54:08
○ 2026-08-08 11:31:06

○MXeforward2.registrar-servers.com2016-12-15 → 2017-08-25 · 4 obs

● 2016-12-15 04:34:10
● 2017-08-25 06:19:40
○ 2026-02-23 22:54:08
○ 2026-08-08 11:31:06

○MXeforward3.registrar-servers.com2016-12-15 → 2017-08-25 · 4 obs

● 2016-12-15 04:34:10
● 2017-08-25 06:19:40
○ 2026-02-23 22:54:08
○ 2026-08-08 11:31:06

○MXeforward4.registrar-servers.com2016-12-15 → 2017-08-25 · 4 obs

● 2016-12-15 04:34:10
● 2017-08-25 06:19:40
○ 2026-02-23 22:54:08
○ 2026-08-08 11:31:06

○MXeforward5.registrar-servers.com2016-12-15 → 2017-08-25 · 4 obs

● 2016-12-15 04:34:10
● 2017-08-25 06:19:40
○ 2026-02-23 22:54:08
○ 2026-08-08 11:31:06

●A13.112.187.2262026-02-23 → 2026-08-08 · 3 obs

○ 2017-08-25 06:19:40
● 2026-02-23 22:54:08
● 2026-08-08 11:31:06

○A192.64.119.1592016-12-15 → 2017-08-25 · 4 obs

● 2016-12-15 04:34:10
● 2017-08-25 06:19:40
○ 2026-02-23 22:54:08
○ 2026-08-08 11:31:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
data-learning.com	ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...	-

✅ Authoritative Response

Server:202.226.36.164

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 data-learning.com (unsigned zone)

⏱️ Timing

Total: 1090ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`13.112.187.226`
NS	5	`ns3.xserver.jp, ns2.xserver.jp...`
MX	6	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	3	`google-site-verification=rxmFCUzDtSG8dNU, v=spf1 +a:sv8255.xserver.jp +a:data-lear...`
SOA	1	`ns1.xserver.jp root.xserver.jp`

Analysis

Hierarchy

data-learning.com sits above school.data-learning.com, www.data-learning.com and claude-code-school.data-learning.com in the domain hierarchy.

Mail Server Role

data-learning.com handles its own mail, functioning as its own mail server.

aspmx2.googlemail.com, aspmx3.googlemail.com and aspmx.l.google.com tend to be used as mail servers in tandem with data-learning.com.

IP Addresses

data-learning.com resolves to just one IP address, 13.112.187.226.

Two other host names, along with 360onestop.biz, bus-drivers.com and yourmethod.net, also share IP numbers with data-learning.com.

Name Servers

data-learning.com delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

There is at least partial name server overlap between data-learning.com and other domains — ai-bousai.com, yamaguchi-auto.com, staffsolution.jp and two more among them.

These name servers frequently co-occur with the name servers ns4.xserver.jp and ns5.xserver.jp.

Hostnames that map to three IP numbers:

ns1.xserver.jp resolves to 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp resolves to 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp resolves to 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names that point to one IP address:

ns2.xserver.jp resolves to 35.72.43.26.

ns3.xserver.jp resolves to 202.226.36.247.

Mail Servers

data-learning.com is served by 6 mail servers: data-learning.com, aspmx2.googlemail.com and aspmx3.googlemail.com, plus 3 more.

There is at least a partial MX overlap between data-learning.com and other domains, including ns500698.ns500758.ns500698.ns500758.ns500698.ns500758.ns500736.ns500698.ns500576.ns500708.ns500619.ns500686.ns500576.ns500619.trackreceptor.com, ns500742.ns500731.ns500754.ns500742.ns500754.ns500754.ns500688.ns500705.ns500671.ns500671.ns500704.ns500649.ns500649.ns500291.ns500291.ns500291.ns500131.lustychickser.com, ns500754.ns500754.ns500742.ns500731.ns500731.ns500671.ns500705.ns500704.ns500131.lustychickser.com and two others.

These mail servers tend to appear in combination with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.

Host names that have two IP addresses:

aspmx2.googlemail.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com resolves to 172.253.115.26 and 2607:f8b0:4004:c25::1a.

alt1.aspmx.l.google.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.

Host names that point to one IP address:

data-learning.com resolves to 13.112.187.226.

The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 2800:3f0:4003:c0f::1a IP addresses.

The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 108.177.123.26 IP addresses.

The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 2a00:1450:400b:c02::1a IP addresses.

The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 172.253.116.26 IP addresses.