coresupport.jp - dns.ninja

`coresupport.jp`

DNSSEC	⚠️ Not signed
A	157.112.183.20^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		PTR	`sv5179.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.}
			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	`coresupport.jp` ⭐
		A	157.112.183.20^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
			PTR	`sv5179.xserver.jp`
TXT	`v=spf1 +a:sv5179.xserver.jp +a:coresupport.jp +mx include:spf.sender.xserver....`
SOA	`ns1.xserver.jp`root@xserver.jp serial=0

`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.jp`root@dns.jp serial=1781457302

MX for

coresupport.jp

Previously MX for

mail.coresupport.jp

Subdomains

mail.coresupport.jp

Same first word

coresupport.dk

coresupport.ca

coresupport.org

coresupport.jp

coresupport.net

coresupport.com

coresupport.us

Similar names

supportcore.com

supportcore.net

procurespot.com

prospectour.com

creosupport.com

supportcore.ru

proteuscorp.com

propscouter.com

ourprospect.com

DNS History

19 records (7 active, 12 former)

○NSmaster.dns.ne.jp2015-10-31 → 2017-02-17 · 5 obs

○ 2015-06-14 10:27:12
● 2015-10-31 02:05:38
● 2017-02-17 05:43:38
○ 2020-02-16 18:06:16
○ 2026-06-14 17:32:10

○NSns1.dns.ne.jp2015-10-31 → 2017-02-17 · 5 obs

○ 2015-06-14 10:27:12
● 2015-10-31 02:05:38
● 2017-02-17 05:43:38
○ 2020-02-16 18:06:16
○ 2026-06-14 17:32:10

○NSns1.secure.net2007-12-20 → 2007-12-20 · 3 obs

● 2007-12-20 23:32:10
○ 2015-06-14 10:27:12
○ 2026-06-14 17:32:10

●NSns1.xserver.jp2020-02-16 → 2026-06-14 · 3 obs

○ 2017-02-17 05:43:38
● 2020-02-16 18:06:16
● 2026-06-14 17:32:10

○NSns2.dns.ne.jp2015-10-31 → 2017-02-17 · 5 obs

○ 2015-06-14 10:27:12
● 2015-10-31 02:05:38
● 2017-02-17 05:43:38
○ 2020-02-16 18:06:16
○ 2026-06-14 17:32:10

○NSns2.secure.net2007-12-20 → 2007-12-20 · 3 obs

● 2007-12-20 23:32:10
○ 2015-06-14 10:27:12
○ 2026-06-14 17:32:10

●NSns2.xserver.jp2020-02-16 → 2026-06-14 · 3 obs

○ 2017-02-17 05:43:38
● 2020-02-16 18:06:16
● 2026-06-14 17:32:10

●NSns3.xserver.jp2020-02-16 → 2026-06-14 · 3 obs

○ 2017-02-17 05:43:38
● 2020-02-16 18:06:16
● 2026-06-14 17:32:10

●NSns4.xserver.jp2020-02-16 → 2026-06-14 · 3 obs

○ 2017-02-17 05:43:38
● 2020-02-16 18:06:16
● 2026-06-14 17:32:10

●NSns5.xserver.jp2020-02-16 → 2026-06-14 · 3 obs

○ 2017-02-17 05:43:38
● 2020-02-16 18:06:16
● 2026-06-14 17:32:10

○NSpba.linkclub.jp2015-06-14 → 2015-06-14 · 4 obs

○ 2007-12-20 23:32:10
● 2015-06-14 10:27:12
○ 2015-10-31 02:05:38
○ 2026-06-14 17:32:10

○NSusr-ns1.linkclub.jp2015-06-14 → 2015-06-14 · 4 obs

○ 2007-12-20 23:32:10
● 2015-06-14 10:27:12
○ 2015-10-31 02:05:38
○ 2026-06-14 17:32:10

○NSusr-ns2.linkclub.jp2015-06-14 → 2015-06-14 · 4 obs

○ 2007-12-20 23:32:10
● 2015-06-14 10:27:12
○ 2015-10-31 02:05:38
○ 2026-06-14 17:32:10

●MXcoresupport.jp2007-12-20 → 2026-06-14 · 4 obs

● 2007-12-20 23:32:10
○ 2015-06-14 10:27:12
● 2015-10-31 02:05:38
● 2026-06-14 17:32:10

○MXmail.coresupport.jp2015-06-14 → 2015-06-14 · 4 obs

○ 2007-12-20 23:32:10
● 2015-06-14 10:27:12
○ 2015-10-31 02:05:38
○ 2026-06-14 17:32:10

○A124.40.9.1082007-12-20 → 2007-12-20 · 3 obs

● 2007-12-20 23:32:10
○ 2015-06-14 10:27:12
○ 2026-06-14 17:32:10

●A157.112.183.202020-02-16 → 2026-06-14 · 3 obs

○ 2017-02-17 05:43:38
● 2020-02-16 18:06:16
● 2026-06-14 17:32:10

○A219.118.71.522015-06-14 → 2015-06-14 · 4 obs

○ 2007-12-20 23:32:10
● 2015-06-14 10:27:12
○ 2015-10-31 02:05:38
○ 2026-06-14 17:32:10

○A49.212.207.1012015-10-31 → 2017-02-17 · 5 obs

○ 2015-06-14 10:27:12
● 2015-10-31 02:05:38
● 2017-02-17 05:43:38
○ 2020-02-16 18:06:16
○ 2026-06-14 17:32:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
coresupport.jp	ns5.xserver.jp, ns4.xserver.jp, ns1.xserver.jp, ns2.xserver.jp...	11 records

✅ Authoritative Response

Server:202.226.36.164

NS records: ns5.xserver.jp, ns4.xserver.jp, ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coresupport.jp (unsigned zone)

⏱️ Timing

Total: 922ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.112.183.20`
NS	5	`ns2.xserver.jp, ns5.xserver.jp...`
MX	1	`coresupport.jp (pri: 0)`
TXT	1	`v=spf1 +a:sv5179.xserver.jp +a:coresuppo`
SOA	1	`ns1.xserver.jp root.xserver.jp`

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns5.xserver.jp, ns5.xserver.jp, ns5.xserver.jp...)

Analysis

Hierarchy

mail.coresupport.jp is a subdomain of coresupport.jp.

Mail Server Role

coresupport.jp acts as its own mail server.

IP Addresses

coresupport.jp points to a single IP number: 157.112.183.20.

Additional host names — bikatuclub.com, sv5179.xserver.jp, www.is-jp.com and two others — share IP numbers with coresupport.jp.

Name Servers

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

The name servers of coresupport.jp overlap at least partially with those of other domains — among them 5to.jp, haraniku.com, aoba-bodywork.jp and two more.

These name servers commonly appear alongside the name servers ns4.xserver.jp and ns5.xserver.jp.

Host names with 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 pointing to a single IP address:

ns2.xserver.jp resolves to 35.72.43.26.

ns3.xserver.jp resolves to 202.226.36.247.

Mail Servers

coresupport.jp has a single mail server: coresupport.jp itself.

coresupport.jp points to one IP number — 157.112.183.20.