`jyoho-library.com`

DNSSEC	⚠️ Not signed
A	160.251.152.42^{🇯🇵 GMOOSK-NET160.251.152.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
		PTR	`x020.cbsv.jp`
NS	`a.misconfigured.dns.server.invalid` ⭐
NS	`ns1.cbsv.jp`
		A	172.64.52.149^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.52.199^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.cbsv.jp`
		A	172.64.53.51^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.53.143^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`jyoho-library.com` ⭐
		A	160.251.152.42^{🇯🇵 GMOOSK-NET160.251.152.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`x020.cbsv.jp`
TXT	`v=spf1 ip4:160.251.152.42 include:_spf.cbsv.jp ~all`
SOA	`a.misconfigured.dns.server.invalid`hostmaster@jyoho-library.com 2026-01-11 #7

`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=1778830336

MX for

jyoho-library.com

Subdomains

second.jyoho-library.com

Same first word

jyoho-library.com

DNS History

11 records (5 active, 6 former)

●NSa.misconfigured.dns.server.invalid2026-03-28 → 2026-05-15 · 3 obs

○ 2019-03-06 19:12:56
● 2026-03-28 14:37:08
● 2026-05-15 07:54:18

●NSns1.cbsv.jp2026-03-28 → 2026-05-15 · 3 obs

○ 2019-03-06 19:12:56
● 2026-03-28 14:37:08
● 2026-05-15 07:54:18

○NSns1.xserver.jp2019-03-06 → 2019-03-06 · 3 obs

● 2019-03-06 19:12:56
○ 2026-03-28 14:37:08
○ 2026-05-15 07:54:18

●NSns2.cbsv.jp2026-03-28 → 2026-05-15 · 3 obs

○ 2019-03-06 19:12:56
● 2026-03-28 14:37:08
● 2026-05-15 07:54:18

○NSns2.xserver.jp2019-03-06 → 2019-03-06 · 3 obs

● 2019-03-06 19:12:56
○ 2026-03-28 14:37:08
○ 2026-05-15 07:54:18

○NSns3.xserver.jp2019-03-06 → 2019-03-06 · 3 obs

● 2019-03-06 19:12:56
○ 2026-03-28 14:37:08
○ 2026-05-15 07:54:18

○NSns4.xserver.jp2019-03-06 → 2019-03-06 · 3 obs

● 2019-03-06 19:12:56
○ 2026-03-28 14:37:08
○ 2026-05-15 07:54:18

○NSns5.xserver.jp2019-03-06 → 2019-03-06 · 3 obs

● 2019-03-06 19:12:56
○ 2026-03-28 14:37:08
○ 2026-05-15 07:54:18

●MXjyoho-library.com2019-03-06 → 2026-05-15 · 2 obs

● 2019-03-06 19:12:56
● 2026-05-15 07:54:18

●A160.251.152.422026-03-28 → 2026-05-15 · 3 obs

○ 2019-03-06 19:12:56
● 2026-03-28 14:37:08
● 2026-05-15 07:54:18

○A183.181.79.1152019-03-06 → 2019-03-06 · 3 obs

● 2019-03-06 19:12:56
○ 2026-03-28 14:37:08
○ 2026-05-15 07:54:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net...	-
jyoho-library.com	ns1.cbsv.jp, ns2.cbsv.jp	-

✅ Authoritative Response

Server:172.64.52.199

NS records: ns1.cbsv.jp, ns2.cbsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jyoho-library.com (unsigned zone)

⏱️ Timing

Total: 692ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`160.251.152.42`
NS	2	`ns2.cbsv.jp, ns1.cbsv.jp`
MX	1	`jyoho-library.com (pri: 10)`
TXT	1	`v=spf1 ip4:160.251.152.42 include:_spf.c`
SOA	1	`a.misconfigured.dns.server.invalid hostm`

Analysis

Hierarchy

The parent of second.jyoho-library.com is jyoho-library.com.

Mail Server Role

jyoho-library.com serves as the mail server for jyoho-library.com.

IP Addresses

jyoho-library.com points to a single IP number: 160.251.152.42.

Other host names, for instance jukujo-club.net, df2b981e43f9.kulturistika.net, digot.jp, vipmassage.jp and dragonimage.jp share IP numbers with jyoho-library.com.

Name Servers

The domain jyoho-library.com is delegated to three name servers: ns1.cbsv.jp, ns2.cbsv.jp and a.misconfigured.dns.server.invalid.

jyoho-library.com shares name servers with other domains at least partially, for instance nunovenancio.com, domagenta.ru, nualaclarke.com, wc-trouble.com and gamestats.net.

These name servers are commonly used with ns1.domeeninimi.ee, ns2.domeeninimi.ee, ndns1.cosmotown.com, ndns2.cosmotown.com, ns1.vigbo.site and ns2.vigbo.site.

Host names with two IP numbers:

The host ns1.cbsv.jp points to 172.64.52.149 and 172.64.52.199.

The host ns2.cbsv.jp points to 172.64.53.51 and 172.64.53.143.

Mail Servers

A single mail server handles jyoho-library.com and jyoho-library.com.

Host name jyoho-library.com resolves to IP 160.251.152.42.

jyoho-library.com - robtex.com