`umaisushikan.com`

DNSSEC	⚠️ Not signed
A	49.212.68.216^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
		PTR	`216.68.212.49.static.www5235.sakura.ne.jp`
NS	`master.dns.ne.jp` ⭐
		A	210.224.172.18^{🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`master.dns.ne.jp`
NS	`ns1.dns.ne.jp`
		A	61.211.236.1^{🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`ns1.dns.ne.jp`
NS	`ns2.dns.ne.jp`
		A	133.167.21.1^{🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`ns2.dns.ne.jp`
MX	`jp1-aspmx1.worksmobile.com` ⭐
		A	110.234.239.93^{🇯🇵 nhn-AS-KR110.234.236.0/22 NAVER business platform}
			PTR	`jrcvmail.worksmobile.com`
MX	`jp1-aspmx2.worksmobile.com`⁽²⁰⁾
		A	110.234.239.93^{🇯🇵 nhn-AS-KR110.234.236.0/22 NAVER business platform}
			PTR	`jrcvmail.worksmobile.com`
TXT	`v=spf1 include:spf.worksmobile.com ip4:49.212.68.216 ~all`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2026-04-27 #1

`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=1777436401

MX for

umaisushikan.com

Same first word

umaisushikan.com

DNS History

7 records (6 active, 1 former)

●NSmaster.dns.ne.jp2026-03-21 → 2026-04-29 · 2 obs

● 2026-03-21 20:20:44
● 2026-04-29 04:41:42

●NSns1.dns.ne.jp2026-03-21 → 2026-04-29 · 2 obs

● 2026-03-21 20:20:44
● 2026-04-29 04:41:42

●NSns2.dns.ne.jp2026-03-21 → 2026-04-29 · 2 obs

● 2026-03-21 20:20:44
● 2026-04-29 04:41:42

●MXjp1-aspmx1.worksmobile.com2026-04-29 → 2026-04-29 · 3 obs

○ 2026-03-21 20:20:44
● 2026-04-29 04:41:40
● 2026-04-29 04:41:42

●MXjp1-aspmx2.worksmobile.com2026-04-29 → 2026-04-29 · 3 obs

○ 2026-03-21 20:20:44
● 2026-04-29 04:41:40
● 2026-04-29 04:41:42

○MXumaisushikan.com2026-03-21 → 2026-03-21 · 3 obs

● 2026-03-21 20:20:44
○ 2026-04-29 04:41:40
○ 2026-04-29 04:41:42

●A49.212.68.2162026-03-21 → 2026-04-29 · 2 obs

● 2026-03-21 20:20:44
● 2026-04-29 04:41:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net, e.gtld-servers.net...	-
umaisushikan.com	ns1.dns.ne.jp, ns2.dns.ne.jp	-

✅ Authoritative Response

Server:133.167.21.1

NS records: ns1.dns.ne.jp, ns2.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for umaisushikan.com (unsigned zone)

⏱️ Timing

Total: 578ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`49.212.68.216`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	2	`jp1-aspmx1.worksmobile.com (pri: 10), jp1-aspmx2.worksmobile.com (pri: 20)`
TXT	1	`v=spf1 include:spf.worksmobile.com ip4:4`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

Analysis

Mail Server Role

umaisushikan.com serves as a mail server for umaisushikan.com.

IP Addresses

umaisushikan.com points to a single IP: 49.212.68.216.

Other host names, for example marukuni.info, amino.sakura.ne.jp, sushimasa.info and sushikan.com share IP numbers with umaisushikan.com.

Name Servers

umaisushikan.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

umaisushikan.com partially shares name servers with other domains; examples include lms-l.jp, sistec-n.com, c-21.net, youth-sake.com and suzunami.co.jp.

Host names with one IP number:

Host master.dns.ne.jp points to 210.224.172.18.

Host ns1.dns.ne.jp points to 61.211.236.1.

Host ns2.dns.ne.jp points to 133.167.21.1.

Mail Servers

umaisushikan.com is handled by two mail servers: jp1-aspmx1.worksmobile.com and jp1-aspmx2.worksmobile.com.

umaisushikan.com has the same mail server setup as other domains, including csnet.coop, kinki-hc.jp, olivedining.jp, harmonycenter.or.jp and taisei.ne.jp.

umaisushikan.com shares some mail servers with other domains, at least partially, such as atois.com, kakelu.com, mic.org.tw, daiichigakuin-college.jp and aodani.or.jp.

These mail servers are often used with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and with-us.in.tmems-jp.trendmicro.com.

Host names with one IP number

Host name jp1-aspmx1.worksmobile.com points to 110.234.239.93

Host name jp1-aspmx2.worksmobile.com points to 110.234.239.93

Host names that point to 110.234.239.93: jp1-aspmx1.worksmobile.com and jp1-aspmx2.worksmobile.com

umaisushikan.com - robtex.com