sideopen.com - dns.ninja

`sideopen.com`

DNSSEC	⚠️ Not signed
A	202.226.39.130^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		PTR	`sv229.xserver.jp`
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.}
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.}
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	`sideopen.com` ⭐
		A	202.226.39.130^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`sv229.xserver.jp`
TXT	`v=spf1 +a:sv229.xserver.jp +a:sideopen.com +mx include:spf.sender.xserver.jp ...`
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=1786470874

MX for

sideopen.com

Same first word

sideopen.com

Similar names

DNS History

17 records (7 active, 10 former)

○NSdns1.name-services.com2017-02-08 → 2017-02-08 · 4 obs

○ 2016-03-09 01:15:54
● 2017-02-08 12:06:18
○ 2020-01-28 17:59:34
○ 2026-08-11 17:55:38

○NSdns2.name-services.com2017-02-08 → 2017-02-08 · 4 obs

○ 2016-03-09 01:15:54
● 2017-02-08 12:06:18
○ 2020-01-28 17:59:34
○ 2026-08-11 17:55:38

○NSdns3.name-services.com2017-02-08 → 2017-02-08 · 4 obs

○ 2016-03-09 01:15:54
● 2017-02-08 12:06:18
○ 2020-01-28 17:59:34
○ 2026-08-11 17:55:38

○NSdns4.name-services.com2017-02-08 → 2017-02-08 · 4 obs

○ 2016-03-09 01:15:54
● 2017-02-08 12:06:18
○ 2020-01-28 17:59:34
○ 2026-08-11 17:55:38

○NSdns5.name-services.com2017-02-08 → 2017-02-08 · 4 obs

○ 2016-03-09 01:15:54
● 2017-02-08 12:06:18
○ 2020-01-28 17:59:34
○ 2026-08-11 17:55:38

○NSns1.value-domain.com2015-08-06 → 2020-01-28 · 6 obs

● 2015-08-06 16:44:20
● 2016-03-09 01:15:54
○ 2017-02-08 12:06:18
● 2020-01-28 17:59:34
○ 2026-03-01 06:07:58
○ 2026-08-11 17:55:38

●NSns1.xserver.jp2026-03-01 → 2026-08-11 · 3 obs

○ 2020-01-28 17:59:34
● 2026-03-01 06:07:58
● 2026-08-11 17:55:38

○NSns2.value-domain.com2015-08-06 → 2020-01-28 · 6 obs

● 2015-08-06 16:44:20
● 2016-03-09 01:15:54
○ 2017-02-08 12:06:18
● 2020-01-28 17:59:34
○ 2026-03-01 06:07:58
○ 2026-08-11 17:55:38

●NSns2.xserver.jp2026-03-01 → 2026-08-11 · 3 obs

○ 2020-01-28 17:59:34
● 2026-03-01 06:07:58
● 2026-08-11 17:55:38

●NSns3.xserver.jp2026-03-01 → 2026-08-11 · 3 obs

○ 2020-01-28 17:59:34
● 2026-03-01 06:07:58
● 2026-08-11 17:55:38

●NSns4.xserver.jp2026-03-01 → 2026-08-11 · 3 obs

○ 2020-01-28 17:59:34
● 2026-03-01 06:07:58
● 2026-08-11 17:55:38

●NSns5.xserver.jp2026-03-01 → 2026-08-11 · 3 obs

○ 2020-01-28 17:59:34
● 2026-03-01 06:07:58
● 2026-08-11 17:55:38

●MXsideopen.com2015-08-06 → 2026-08-11 · 5 obs

● 2015-08-06 16:44:20
● 2016-03-09 01:15:54
○ 2017-02-08 12:06:18
● 2020-01-28 17:59:34
● 2026-08-11 17:55:38

○A150.95.9.1512020-01-28 → 2020-01-28 · 4 obs

○ 2017-02-08 12:06:18
● 2020-01-28 17:59:34
○ 2026-03-01 06:07:58
○ 2026-08-11 17:55:38

●A202.226.39.1302026-03-01 → 2026-08-11 · 3 obs

○ 2020-01-28 17:59:34
● 2026-03-01 06:07:58
● 2026-08-11 17:55:38

○A203.189.105.1852015-08-06 → 2016-03-09 · 4 obs

● 2015-08-06 16:44:20
● 2016-03-09 01:15:54
○ 2017-02-08 12:06:18
○ 2026-08-11 17:55:38

○A98.124.204.162017-02-08 → 2017-02-08 · 4 obs

○ 2016-03-09 01:15:54
● 2017-02-08 12:06:18
○ 2020-01-28 17:59:34
○ 2026-08-11 17:55:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sideopen.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 sideopen.com (unsigned zone)

⏱️ Timing

Total: 1005ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.226.39.130`
NS	5	`ns5.xserver.jp, ns3.xserver.jp...`
MX	1	`sideopen.com (pri: 0)`
TXT	1	`v=spf1 +a:sv229.xserver.jp +a:sideopen.c`
SOA	1	`ns1.xserver.jp root.xserver.jp`

Analysis

Mail Server Role

sideopen.com acts as its own mail server.

IP Addresses

sideopen.com points to a single IP number: 202.226.39.130.

Additional host names — power-spot22.com, yasuhiro-tanaka.com, ramica.net and two others — share IP numbers with sideopen.com.

Name Servers

Delegation for sideopen.com is to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

sideopen.com has at least partial name server overlap with other domains, such as ms-h.net, happy-petlife.com, mimoto-clinic.com and two others.

It is common to see these name servers used together with name servers ns4.xserver.jp and ns5.xserver.jp.

Host names with 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.

Host names pointing to a single IP address:

ns2.xserver.jp points to 35.72.43.26.

ns3.xserver.jp points to 202.226.36.247.

Mail Servers

sideopen.com has a single mail server: sideopen.com itself.

sideopen.com resolves to a single IP number: 202.226.39.130.