`opensource-pro.com`

DNSSEC	⚠️ Not signed
A	140.227.150.222^{🇯🇵 InfoSphere140.227.0.0/16 INFOSPHERE}
		PTR	`opensource-pro.com`
NS	`asns1.customer.ne.jp` ⭐
		A	210.150.254.86^{🇯🇵 InfoSphere210.150.0.0/16 INFOSPHERE}
			PTR	`asns1.customer.ne.jp`
NS	`asns2.customer.ne.jp`
		A	210.150.254.94^{🇯🇵 InfoSphere210.150.0.0/16 INFOSPHERE}
			PTR	`asns2.customer.ne.jp`
MX	`mail.opensource-pro.com` ⭐
		A	140.227.150.222^{🇯🇵 InfoSphere140.227.0.0/16 INFOSPHERE}
			PTR	`opensource-pro.com`
TXT	`V=spf1 +ip4:140.227.150.222 include:sendgrid.net ~all`
SOA	`asns1.customer.ne.jp`t-katou@opensource-pro.com serial=1581840582

`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=1778424886

PTR for

222.150.227.140.in-addr.arpa

Previously NS for

opensource-pro.com

Previously MX for

opensource-pro.com

Subdomains

mail.opensource-pro.com

Same first word

opensource-pro.com

DNS History

9 records (4 active, 5 former)

●NSasns1.customer.ne.jp2026-05-02 → 2026-05-10 · 3 obs

○ 2019-12-23 10:17:04
● 2026-05-02 19:42:52
● 2026-05-10 15:21:14

●NSasns2.customer.ne.jp2026-05-02 → 2026-05-10 · 3 obs

○ 2019-12-23 10:17:04
● 2026-05-02 19:42:52
● 2026-05-10 15:21:14

○NSns1.opensource-pro.com2015-08-05 → 2019-12-23 · 4 obs

● 2015-08-05 23:19:44
● 2019-12-23 10:17:04
○ 2026-05-02 19:42:52
○ 2026-05-10 15:21:14

○NSns2.opensource-pro.com2015-08-05 → 2019-12-23 · 4 obs

● 2015-08-05 23:19:44
● 2019-12-23 10:17:04
○ 2026-05-02 19:42:52
○ 2026-05-10 15:21:14

○NSopensource-pro.com2015-08-05 → 2019-12-23 · 4 obs

● 2015-08-05 23:19:44
● 2019-12-23 10:17:04
○ 2026-05-02 19:42:52
○ 2026-05-10 15:21:14

●MXmail.opensource-pro.com2015-08-05 → 2026-05-10 · 2 obs

● 2015-08-05 23:19:44
● 2026-05-10 15:21:14

○MXopensource-pro.com2015-08-05 → 2019-12-23 · 4 obs

● 2015-08-05 23:19:44
● 2019-12-23 10:17:04
○ 2026-05-02 19:42:52
○ 2026-05-10 15:21:14

○A1.33.189.2172015-08-05 → 2019-12-23 · 4 obs

● 2015-08-05 23:19:44
● 2019-12-23 10:17:04
○ 2026-05-02 19:42:52
○ 2026-05-10 15:21:14

●A140.227.150.2222026-05-02 → 2026-05-10 · 3 obs

○ 2019-12-23 10:17:04
● 2026-05-02 19:42:52
● 2026-05-10 15:21:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, d.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net...	-
opensource-pro.com	asns1.customer.ne.jp, asns2.customer.ne.jp	-

✅ Authoritative Response

Server:210.150.254.86

NS records: asns1.customer.ne.jp, asns2.customer.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opensource-pro.com (unsigned zone)

⏱️ Timing

Total: 2101ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`140.227.150.222`
NS	2	`asns1.customer.ne.jp, asns2.customer.ne.jp`
MX	1	`mail.opensource-pro.com (pri: 15)`
TXT	1	`V=spf1 +ip4:140.227.150.222 include:send`
SOA	1	`asns1.customer.ne.jp t-katou.opensource-`

Analysis

Hierarchy

opensource-pro.com is a parent of mail.opensource-pro.com.

IP Addresses

opensource-pro.com points to a single IP address: 140.227.150.222.

Other host names such as mail.support-ir.com, support-ir.com and mail.opensource-pro.com share IP numbers with opensource-pro.com.

Name Servers

opensource-pro.com is delegated to two name servers: asns1.customer.ne.jp and asns2.customer.ne.jp.

opensource-pro.com uses the same name server setup as other domains, including v3100-013.mailsecure.jp, v1500-137.mailsecure.jp, z-k.co.jp, coremagazine.co.jp and imone.co.jp.

opensource-pro.com shares name servers with other domains, at least partially; for example 655.jp and yono.co.jp.

Hostnames with a single IP

asns1.customer.ne.jp resolves to: 210.150.254.86.

asns2.customer.ne.jp resolves to: 210.150.254.94.

Mail Servers

The mail server for opensource-pro.com is mail.opensource-pro.com.

Host mail.opensource-pro.com points to IP 140.227.150.222.

opensource-pro.com - robtex.com