`sekisui.com`

DNSSEC	⚠️ Not signed
NS	`ns000.d-53.net` ⭐
NS	`dns-b.iij.ad.jp` ⚠️ Not in zone NS records
		A	2001:240:bb81::28:51^{🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )}
			PTR	`s020.d-53.biz`
		A	202.32.219.51^{🇯🇵 IIJ-AS202.32.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
			PTR	`s020.d-53.biz`
NS	`dns-c.iij.ad.jp` ⚠️ Not in zone NS records
		A	2001:240:bb81::29:111^{🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )}
			PTR	`s020.d-53.net`
		A	210.138.20.111^{🇯🇵 IIJ-AS210.138.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
			PTR	`s020.d-53.net`
NS	`ns020-vi75bp7012posc8m.v.d-53.info` ⚠️ Not in parent delegation
		A	2001:240:bb81::28:51^{🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )}
			PTR	`s020.d-53.biz`
		A	202.32.219.51^{🇯🇵 IIJ-AS202.32.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
			PTR	`s020.d-53.biz`
NS	`ns020-vi75bp7012posc8m.v.d-53.jp` ⚠️ Not in parent delegation
		A	2001:240:bb81::29:1111^{🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )}
			PTR	`s020.d-53.org`
		A	203.180.146.111^{🇯🇵 IIJ-AS203.180.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
			PTR	`s020.d-53.org`
NS	`ns020-vi75bp7012posc8m.v.d-53.org` ⚠️ Not in parent delegation
		A	2001:240:bb81::29:111^{🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )}
			PTR	`s020.d-53.net`
		A	210.138.20.111^{🇯🇵 IIJ-AS210.138.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
			PTR	`s020.d-53.net`
MX	`mx.securemx.jp` ⭐
		A	210.130.202.92^{🇯🇵 IIJ-AS210.130.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
			PTR	`mx180b.securemx.jp`
		A	210.130.202.93^{🇯🇵 IIJ-AS210.130.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
			PTR	`mx114b.securemx.jp`
		A	210.130.202.96^{🇯🇵 IIJ-AS210.130.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
			PTR	`mx114a.securemx.jp`
		A	210.130.202.99^{🇯🇵 IIJ-AS210.130.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
			PTR	`mx180a.securemx.jp`
TXT	`docusign=fd224741-6d52-45fb-baed-4aa63cbcab2d`
TXT	`google-site-verification=gOV_T7TOOZ9P7uS8nuOXhbg7XhHgIJKHolTNjhFwPhs`
TXT	`sending_domain353071=1f8f81b852cd11cd1adcbf6137879ce7088e7220cf3c0dd9e22c83b8...`
TXT	`atlassian-domain-verification=PgQgk7OjKtDrdyJahzhzzVIA4lUk0YGwEV846L61ICwGriS...`
TXT	`v=spf1 include:spf.securemx.jp include:spf.protection.outlook.com ip4:52.196....`
TXT	`MS=ms20564163`
TXT	`MS=ms25246877`
TXT	`docusign=d703e6cc-2482-49c4-abf0-a1900902dd19`
SOA	`ns000.d-53.net`dns-managers@iij.ad.jp serial=339

`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=1774533302

Same first word

sekisui.org

sekisui.net

sekisui.eu

sekisui.co.in

sekisui.com.tw

sekisui.com

sekisui.co.jp

sekisui.de

sekisui.com.hk

sekisui.jp

sekisui.nl

Similar names

suiseki.sk

suesiki.com

suiseki.at

suiseki.com

suiseki.org

suiseki.asia

suiseki.ch

DNS History

9 records (7 active, 2 former)

●NSdns-b.iij.ad.jp2015-06-24 → 2026-03-26 · 2 obs

● 2015-06-24 12:36:26
● 2026-03-26 14:04:20

●NSdns-c.iij.ad.jp2015-06-24 → 2026-03-26 · 2 obs

● 2015-06-24 12:36:26
● 2026-03-26 14:04:20

●NSns000.d-53.net2026-02-21 → 2026-03-26 · 3 obs

○ 2015-06-24 12:36:26
● 2026-02-21 16:37:14
● 2026-03-26 14:04:20

●NSns020-vi75bp7012posc8m.v.d-53.info2026-02-21 → 2026-03-26 · 3 obs

○ 2015-06-24 12:36:26
● 2026-02-21 16:37:14
● 2026-03-26 14:04:20

●NSns020-vi75bp7012posc8m.v.d-53.jp2026-02-21 → 2026-03-26 · 3 obs

○ 2015-06-24 12:36:26
● 2026-02-21 16:37:14
● 2026-03-26 14:04:20

●NSns020-vi75bp7012posc8m.v.d-53.org2026-02-21 → 2026-03-26 · 3 obs

○ 2015-06-24 12:36:26
● 2026-02-21 16:37:14
● 2026-03-26 14:04:20

○MXec2-54-238-133-186.ap-northeast-1.compute.amazonaws.com2015-06-24 → 2017-10-29 · 4 obs

● 2015-06-24 12:36:26
● 2017-10-29 03:48:30
○ 2026-02-21 16:37:14
○ 2026-03-26 14:04:20

○MXec2-54-238-145-55.ap-northeast-1.compute.amazonaws.com2015-06-24 → 2017-10-29 · 4 obs

● 2015-06-24 12:36:26
● 2017-10-29 03:48:30
○ 2026-02-21 16:37:14
○ 2026-03-26 14:04:20

●MXmx.securemx.jp2026-02-21 → 2026-03-26 · 3 obs

○ 2017-10-29 03:48:30
● 2026-02-21 16:37:14
● 2026-03-26 14:04:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net...	-
sekisui.com	dns-b.iij.ad.jp, dns-c.iij.ad.jp	-

✅ Authoritative Response

Server:202.32.219.51

NS records: dns-b.iij.ad.jp, dns-c.iij.ad.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sekisui.com (unsigned zone)

⏱️ Timing

Total: 1040ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns020-vi75bp7012posc8m.v.d-53.jp, ns020-vi75bp7012posc8m.v.d-53.org...`
MX	1	`mx.securemx.jp (pri: 10)`
TXT	8	`MS=ms25246877, docusign=d703e6cc-2482-49c4-abf0-a190090...`
SOA	1	`ns000.d-53.net dns-managers.iij.ad.jp`

Analysis

Name Servers

sekisui.com is delegated to six name servers: ns000.d-53.net, ns020-vi75bp7012posc8m.v.d-53.info, dns-b.iij.ad.jp, dns-c.iij.ad.jp, ns020-vi75bp7012posc8m.v.d-53.jp and ns020-vi75bp7012posc8m.v.d-53.org.

At least part of the name servers for sekisui.com are shared with other domains, for instance shiseido.pt, nishi.or.jp, zegapain.net, gundam0083.net and 100nenmusic.jp.

These name servers are commonly used with rev.iij-dns.jp, rev.iij-dns.net, ns1.dox.jp and ns2.dox.jp.

Host names with two IP numbers:

ns020-vi75bp7012posc8m.v.d-53.info points to 2001:240:bb81::28:51 and 202.32.219.51.

dns-b.iij.ad.jp points to 2001:240:bb81::28:51 and 202.32.219.51.

dns-c.iij.ad.jp points to 2001:240:bb81::29:111 and 210.138.20.111.

ns020-vi75bp7012posc8m.v.d-53.jp points to 2001:240:bb81::29:1111 and 203.180.146.111.

ns020-vi75bp7012posc8m.v.d-53.org points to 2001:240:bb81::29:111 and 210.138.20.111.

Host names that point to 2001:240:bb81::28:51: ns020-vi75bp7012posc8m.v.d-53.info and dns-b.iij.ad.jp

Host names that point to 202.32.219.51: ns020-vi75bp7012posc8m.v.d-53.info and dns-b.iij.ad.jp

Host names that point to 2001:240:bb81::29:111: dns-c.iij.ad.jp and ns020-vi75bp7012posc8m.v.d-53.org

Host names that point to 210.138.20.111: dns-c.iij.ad.jp and ns020-vi75bp7012posc8m.v.d-53.org

Mail Servers

The mail server for sekisui.com is mx.securemx.jp.

sekisui.com uses the same mail server setup as other domains, for instance radwimps.jp, ptcsys.com, dendai.jp, td-holdings.co.jp and 3inc.jp.

sekisui.com shares at least some mail servers with other domains, for example fujisaki.co.jp, aion-kk.co.jp, kohwa.biz, cherry-c.co.jp and hokurikuticket.com.

these mail servers are frequently used alongside the mail servers mx6.securemx.jp.

mx.securemx.jp resolves to four IP numbers: 210.130.202.92, 210.130.202.93, 210.130.202.96 and 210.130.202.99.

sekisui.com - robtex.com

sekisui.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Name Servers

Mail Servers

`sekisui.com`

`com`