`ybcoach.com`

DNSSEC	⚠️ Not signed
A	49.212.198.201^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
		PTR	`www2961.sakura.ne.jp`
NS	`ns1.value-domain.com` ⭐
		A	172.64.52.38^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.value-domain.com`
		A	172.64.53.3^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns3.value-domain.com` ⚠️ Not in zone NS records
		A	172.64.52.38^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns4.value-domain.com` ⚠️ Not in zone NS records
		A	172.64.53.3^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns5.value-domain.com` ⚠️ Not in zone NS records
		A	172.64.52.38^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`ybcoach.sakura.ne.jp` ⭐
		A	49.212.198.201^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www2961.sakura.ne.jp`
TXT	`v=spf1 a:www2961.sakura.ne.jp mx ~all`
SOA	`ns1.value-domain.com`hostmaster@ybcoach.com 2024-12-05 #16

`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=1784940762

WOT: SAFE (61/100)

Subdomains

mail.ybcoach.com

Same first word

ybcoach.sakura.ne.jp

ybcoach.com

Similar names

bycoach.fr

coachby.com

chocbay.com

DNS History

12 records (7 active, 5 former)

○NSns1.jpdns.jp2008-03-15 → 2020-01-22 · 4 obs

● 2008-03-15 10:32:16
● 2020-01-22 08:24:34
○ 2026-04-09 03:47:08
○ 2026-07-25 01:05:54

●NSns1.value-domain.com2026-04-09 → 2026-07-25 · 3 obs

○ 2020-01-22 08:24:34
● 2026-04-09 03:47:08
● 2026-07-25 01:05:54

○NSns2.jpdns.jp2008-03-15 → 2020-01-22 · 4 obs

● 2008-03-15 10:32:16
● 2020-01-22 08:24:34
○ 2026-04-09 03:47:08
○ 2026-07-25 01:05:54

●NSns2.value-domain.com2026-04-09 → 2026-07-25 · 3 obs

○ 2020-01-22 08:24:34
● 2026-04-09 03:47:08
● 2026-07-25 01:05:54

●NSns3.value-domain.com2026-04-09 → 2026-07-25 · 3 obs

○ 2020-01-22 08:24:34
● 2026-04-09 03:47:08
● 2026-07-25 01:05:54

●NSns4.value-domain.com2026-04-09 → 2026-07-25 · 3 obs

○ 2020-01-22 08:24:34
● 2026-04-09 03:47:08
● 2026-07-25 01:05:54

●NSns5.value-domain.com2026-04-09 → 2026-07-25 · 3 obs

○ 2020-01-22 08:24:34
● 2026-04-09 03:47:08
● 2026-07-25 01:05:54

○NStky1.jpdns.jp2020-01-22 → 2020-01-22 · 4 obs

○ 2008-03-15 10:32:16
● 2020-01-22 08:24:34
○ 2026-04-09 03:47:08
○ 2026-07-25 01:05:54

○MXmail.ybcoach.com2008-03-15 → 2020-01-22 · 4 obs

● 2008-03-15 10:32:16
● 2020-01-22 08:24:34
○ 2026-04-09 03:47:08
○ 2026-07-25 01:05:54

●MXybcoach.sakura.ne.jp2026-04-09 → 2026-07-25 · 3 obs

○ 2020-01-22 08:24:34
● 2026-04-09 03:47:08
● 2026-07-25 01:05:54

○A219.109.143.1002008-03-15 → 2020-01-22 · 4 obs

● 2008-03-15 10:32:16
● 2020-01-22 08:24:34
○ 2026-04-09 03:47:08
○ 2026-07-25 01:05:54

●A49.212.198.2012026-04-09 → 2026-07-25 · 3 obs

○ 2020-01-22 08:24:34
● 2026-04-09 03:47:08
● 2026-07-25 01:05:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net...	-
ybcoach.com	ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com...	5 records

✅ Authoritative Response

Server:172.64.52.38

NS records: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com, ns5.value-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ybcoach.com (unsigned zone)

⏱️ Timing

Total: 428ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`49.212.198.201`
NS	2	`ns1.value-domain.com, ns2.value-domain.com`
MX	1	`ybcoach.sakura.ne.jp (pri: 10)`
TXT	1	`v=spf1 a:www2961.sakura.ne.jp mx ~all`
SOA	1	`ns1.value-domain.com hostmaster.ybcoach.`

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com...)

Analysis

Hierarchy

mail.ybcoach.com is a subdomain of ybcoach.com.

IP Addresses

ybcoach.com has exactly one IP address — 49.212.198.201.

i-tanaka.com, zaw.jp, bmw-spitze.sakura.ne.jp plus two other host names have IP numbers in common with ybcoach.com.

Name Servers

Five name servers handle delegation for ybcoach.com: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com and two others.

The name servers of ybcoach.com overlap at least partially with those of other domains — among them slime-factory.com, uha2.com, j-si.com and two more.

These name servers tend to appear together with the name servers ns4.value-domain.com, ns5.value-domain.com and ns11.value-domain.com, plus two others.

Host names resolving to a single IP address:

ns1.value-domain.com has the IP address 172.64.52.38.

ns2.value-domain.com has the IP address 172.64.53.3.

ns3.value-domain.com has the IP address 172.64.52.38.

ns4.value-domain.com has the IP address 172.64.53.3.

ns5.value-domain.com has the IP address 172.64.52.38.

Three host names point to 172.64.52.38: ns1.value-domain.com, ns3.value-domain.com and ns5.value-domain.com.

Both ns2.value-domain.com and ns4.value-domain.com resolve to 172.64.53.3 IP addresses each.