🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`coding-coordinator.com`

DNSSEC	⚠️ Not signed
NS	`ns1.xserver.jp` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		A	35.72.43.26^{🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix}
			PTR	`ns2.xserver.jp`
NS	`ns3.xserver.jp` ⚠️ Not in zone NS records
		A	202.226.36.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns3.xserver.jp`
NS	`ns4.xserver.jp` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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`

`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=1791696374

MX for

coding-coordinator.com

Same first word

coding-coordinator.com

Previous names

Next names

DNS History

7 records (5 active, 2 former)

●NSns1.xserver.jp2026-09-08 → 2026-10-11 · 2 obs

● 2026-09-08 21:36:28
● 2026-10-11 05:43:24

●NSns2.xserver.jp2026-09-08 → 2026-10-11 · 2 obs

● 2026-09-08 21:36:28
● 2026-10-11 05:43:24

●NSns3.xserver.jp2026-09-08 → 2026-10-11 · 2 obs

● 2026-09-08 21:36:28
● 2026-10-11 05:43:24

●NSns4.xserver.jp2026-09-08 → 2026-10-11 · 2 obs

● 2026-09-08 21:36:28
● 2026-10-11 05:43:24

●NSns5.xserver.jp2026-09-08 → 2026-10-11 · 2 obs

● 2026-09-08 21:36:28
● 2026-10-11 05:43:24

○MXcoding-coordinator.com2026-09-08 → 2026-09-08 · 3 obs

● 2026-09-08 21:36:28
○ 2026-10-11 05:43:22
○ 2026-10-11 05:43:24

○A85.131.197.62026-09-08 → 2026-09-08 · 3 obs

● 2026-09-08 21:36:28
○ 2026-10-11 05:43:22
○ 2026-10-11 05:43:24

🔍 DNS Trace

📋 Delegation Chain

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

⏱️ Timing

Total: 5073ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.131.197.6`
NS	5	`ns1.xserver.jp, ns2.xserver.jp...`
MX	1	`coding-coordinator.com (pri: 0)`
TXT	1	`v=spf1 +a:sv16065.xserver.jp +a:coding-c`
SOA	1	`ns1.xserver.jp root.xserver.jp`

Analysis

Mail Server Role

coding-coordinator.com acts as its own mail server.

Name Servers

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

coding-coordinator.com has at least partial name server overlap with other domains, such as enjoyhome.jp, sekyutsuyo.com, shira-treat.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 has IP addresses 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp has IP addresses 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp has IP addresses 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names pointing to a single IP address:

ns2.xserver.jp directs to 35.72.43.26.

ns3.xserver.jp directs to 202.226.36.247.