`centurysilver.jp`

DNSSEC	⚠️ Not signed
A	120.136.14.143^{🇯🇵 XSERVER-AS120.136.12.0/22 XSERVER Inc.}
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	`centurysilver.jp` ⭐
		A	120.136.14.143^{🇯🇵 XSERVER-AS120.136.12.0/22 XSERVER Inc.}
TXT	`v=spf1 +a:sv765.xserver.jp +a:centurysilver.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=1786771802

MX for

centurysilver.jp

Subdomains

pop.centurysilver.jp

Same first word

centurysilver.jp

Similar names

silvercentury.com

silvercentury.org

DNS History

12 records (7 active, 5 former)

○NSns01.domainserver.ne.jp2015-07-08 → 2026-04-07 · 4 obs

● 2015-07-08 12:16:40
● 2026-04-07 18:45:04
○ 2026-06-03 07:39:20
○ 2026-08-15 05:51:42

○NSns02.domainserver.ne.jp2015-07-08 → 2026-04-07 · 4 obs

● 2015-07-08 12:16:40
● 2026-04-07 18:45:04
○ 2026-06-03 07:39:20
○ 2026-08-15 05:51:42

●NSns1.xserver.jp2026-06-03 → 2026-08-15 · 3 obs

○ 2026-04-07 18:45:04
● 2026-06-03 07:39:20
● 2026-08-15 05:51:42

●NSns2.xserver.jp2026-06-03 → 2026-08-15 · 3 obs

○ 2026-04-07 18:45:04
● 2026-06-03 07:39:20
● 2026-08-15 05:51:42

●NSns3.xserver.jp2026-06-03 → 2026-08-15 · 3 obs

○ 2026-04-07 18:45:04
● 2026-06-03 07:39:20
● 2026-08-15 05:51:42

●NSns4.xserver.jp2026-06-03 → 2026-08-15 · 3 obs

○ 2026-04-07 18:45:04
● 2026-06-03 07:39:20
● 2026-08-15 05:51:42

●NSns5.xserver.jp2026-06-03 → 2026-08-15 · 3 obs

○ 2026-04-07 18:45:04
● 2026-06-03 07:39:20
● 2026-08-15 05:51:42

●MXcenturysilver.jp2026-06-03 → 2026-08-15 · 3 obs

○ 2026-04-07 18:45:04
● 2026-06-03 07:39:20
● 2026-08-15 05:51:42

○MXmds021-202.domainserver.ne.jp2026-04-07 → 2026-04-07 · 4 obs

○ 2015-07-08 12:16:40
● 2026-04-07 18:45:04
○ 2026-06-03 07:39:20
○ 2026-08-15 05:51:42

○MXpop.centurysilver.jp2015-07-08 → 2026-04-07 · 4 obs

● 2015-07-08 12:16:40
● 2026-04-07 18:45:04
○ 2026-06-03 07:39:20
○ 2026-08-15 05:51:42

○A103.241.130.22015-07-08 → 2026-04-07 · 4 obs

● 2015-07-08 12:16:40
● 2026-04-07 18:45:04
○ 2026-06-03 07:39:20
○ 2026-08-15 05:51:42

●A120.136.14.1432026-06-03 → 2026-08-15 · 3 obs

○ 2026-04-07 18:45:04
● 2026-06-03 07:39:20
● 2026-08-15 05:51:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
centurysilver.jp	ns5.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns1.xserver.jp...	11 records

✅ Authoritative Response

Server:202.226.36.164

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for centurysilver.jp (unsigned zone)

⏱️ Timing

Total: 828ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`120.136.14.143`
NS	5	`ns3.xserver.jp, ns2.xserver.jp...`
MX	1	`centurysilver.jp (pri: 0)`
TXT	1	`v=spf1 +a:sv765.xserver.jp +a:centurysil`
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

centurysilver.jp is a parent domain of pop.centurysilver.jp.

Mail Server Role

The MX record for centurysilver.jp points back to centurysilver.jp — it is its own mail server.

IP Addresses

centurysilver.jp directs to one IP number, which is 120.136.14.143.

Among the host names that share IP numbers with centurysilver.jp are www.sofnavi.jp, pop.centurysilver.jp, yamashun.net and two others.

Name Servers

The authoritative name servers for centurysilver.jp are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

centurysilver.jp shares at least some of its name servers with other domains, including confirm-center-s.com, senjouin-news.com, hitomibiyou.com and two others.

These name servers are frequently paired with the name servers ns4.xserver.jp and ns5.xserver.jp.

Hosts with three IP address records:

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.

Hosts that resolve to one IP address:

ns2.xserver.jp resolves to 35.72.43.26.

ns3.xserver.jp resolves to 202.226.36.247.

Mail Servers

The MX record for centurysilver.jp points to a single mail server: centurysilver.jp.

centurysilver.jp points to one IP number — 120.136.14.143.

centurysilver.jp - robtex.com