`ryugakuusa.com`

DNSSEC	⚠️ Not signed
A	67.222.57.221^{🇺🇸 EIGI67.222.56.0/23}
		PTR	`67-222-57-221.unifiedlayer.com`
NS	`ns1.hostmonster.com` ⭐
		A	162.159.24.157^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.hostmonster.com`
NS	`ns2.hostmonster.com`
		A	162.159.25.186^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.hostmonster.com`
MX	`mail.ryugakuusa.com` ⭐
		A	67.222.57.221^{🇺🇸 EIGI67.222.56.0/23}
			PTR	`67-222-57-221.unifiedlayer.com`
TXT	`v=spf1 a mx include:websitewelcome.com ~all`
SOA	`ns1.hostmonster.com`root@host2096.hostmonster.com 2025-04-05 #0

`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=1778461696

Previously MX for

ryugakuusa.com

Subdomains

mail.ryugakuusa.com

Same first word

ryugakuusa.com

DNS History

6 records (4 active, 2 former)

●NSns1.hostmonster.com2015-05-26 → 2026-05-11 · 2 obs

● 2015-05-26 17:41:14
● 2026-05-11 01:11:00

●NSns2.hostmonster.com2015-05-26 → 2026-05-11 · 2 obs

● 2015-05-26 17:41:14
● 2026-05-11 01:11:00

●MXmail.ryugakuusa.com2020-02-13 → 2026-05-11 · 3 obs

○ 2017-03-21 14:01:34
● 2020-02-13 22:36:02
● 2026-05-11 01:11:00

○MXryugakuusa.com2015-05-26 → 2017-03-21 · 4 obs

● 2015-05-26 17:41:14
● 2017-03-21 14:01:34
○ 2020-02-13 22:36:02
○ 2026-05-11 01:11:00

●A67.222.57.2212020-02-13 → 2026-05-11 · 3 obs

○ 2017-03-21 14:01:34
● 2020-02-13 22:36:02
● 2026-05-11 01:11:00

○A74.220.215.602015-05-26 → 2017-03-21 · 4 obs

● 2015-05-26 17:41:14
● 2017-03-21 14:01:34
○ 2020-02-13 22:36:02
○ 2026-05-11 01:11:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
ryugakuusa.com	ns2.hostmonster.com, ns1.hostmonster.com	2 records

✅ Authoritative Response

Server:162.159.25.186

NS records: ns2.hostmonster.com, ns1.hostmonster.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ryugakuusa.com (unsigned zone)

⏱️ Timing

Total: 301ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`67.222.57.221`
NS	2	`ns2.hostmonster.com, ns1.hostmonster.com`
MX	1	`mail.ryugakuusa.com (pri: 0)`
TXT	1	`v=spf1 a mx include:websitewelcome.com ~`
SOA	1	`ns1.hostmonster.com root.host2096.hostmo`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.hostmonster.com, ns1.hostmonster.com)

Analysis

Hierarchy

The parent of mail.ryugakuusa.com is ryugakuusa.com.

IP Addresses

ryugakuusa.com points to a single IP address: 67.222.57.221.

Other host names, for instance mail.ryugakuusa.com, share IP numbers with ryugakuusa.com.

Name Servers

Two name servers ns1.hostmonster.com and ns2.hostmonster.com handle the delegation for ryugakuusa.com.

ryugakuusa.com shares the same name server setup as other domains, for example gonen.ws, shortwoman.com, glsmc.org, theopd.com and taleof.com.

ryugakuusa.com partially shares name servers with other domains, for example zitless.com and cimule.com.

These name servers are often used together with ns1.bluehost.com and ns2.bluehost.com.

Host names with one IP number:

ns1.hostmonster.com points to 162.159.24.157; ns2.hostmonster.com points to 162.159.25.186.

Mail Servers

The mail.ryugakuusa.com mail server handles ryugakuusa.com.

mail.ryugakuusa.com points to a single IP number: 67.222.57.221.

ryugakuusa.com - robtex.com

ryugakuusa.com

com