dbfocus.jp - dns.ninja

`dbfocus.jp`

DNSSEC	⚠️ Not signed
NS	`ns-324.awsdns-40.com` ⭐ ⚠️ Not in parent delegation
		A	2600:9000:5301:4400::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-324.awsdns-40.com`
		A	205.251.193.68^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-324.awsdns-40.com`
NS	`ns-1376.awsdns-44.org`
		A	2600:9000:5305:6000::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1376.awsdns-44.org`
		A	205.251.197.96^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1376.awsdns-44.org`
NS	`ns-1745.awsdns-26.co.uk` ⚠️ Not in parent delegation
		A	2600:9000:5306:d100::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1745.awsdns-26.co.uk`
		A	205.251.198.209^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1745.awsdns-26.co.uk`
NS	`ns-632.awsdns-15.net`
		A	2600:9000:5302:7800::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-632.awsdns-15.net`
		A	205.251.194.120^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-632.awsdns-15.net`
MX	`ml.dbfocus.jp` ⭐
		A	54.95.42.203^{🇯🇵 Amazon54.95.0.0/17 EC2 NRT prefix}
			PTR	`ml.dbfocus.jp`
TXT	`v=spf1 include:_spf.dbfocus.jp ~all`
SOA	`ns-324.awsdns-40.com`awsdns-hostmaster@amazon.com serial=1

`jp`

	DNSSEC	🔒 Signed (DS record present)
	NS	`z.dns.jp` ⭐
	NS	`a.dns.jp`
	NS	`b.dns.jp`
	NS	`c.dns.jp`
	NS	`d.dns.jp`
	NS	`e.dns.jp`
	NS	`f.dns.jp`
	NS	`g.dns.jp`
	NS	`h.dns.jp`
	SOA	`z.dns.jp`root@dns.jp serial=1786155303

⚠️ On DNS blocklist: multi, pro, pro.plus, ultimate

Subdomains

mail.dbfocus.jp

v4.dbfocus.jp

ml.dbfocus.jp

Same first word

dbfocus.jp

Similar names

focusbd.net

focusbd.com

uofsbdc.com

uofsbdc.ca

DNS History

9 records (5 active, 4 former)

○NSdns.dbfocus.jp2015-08-09 → 2016-08-21 · 4 obs

● 2015-08-09 11:41:18
● 2016-08-21 23:53:02
○ 2018-05-22 06:51:16
○ 2026-08-08 02:30:16

○NSdns1.dbfocus.jp2015-08-09 → 2016-08-21 · 4 obs

● 2015-08-09 11:41:18
● 2016-08-21 23:53:02
○ 2018-05-22 06:51:16
○ 2026-08-08 02:30:16

○NSdns2.dbfocus.jp2015-08-09 → 2016-08-21 · 4 obs

● 2015-08-09 11:41:18
● 2016-08-21 23:53:02
○ 2018-05-22 06:51:16
○ 2026-08-08 02:30:16

●NSns-1376.awsdns-44.org2018-05-22 → 2026-08-08 · 3 obs

○ 2016-08-21 23:53:02
● 2018-05-22 06:51:16
● 2026-08-08 02:30:16

●NSns-1745.awsdns-26.co.uk2018-05-22 → 2026-08-08 · 3 obs

○ 2016-08-21 23:53:02
● 2018-05-22 06:51:16
● 2026-08-08 02:30:16

●NSns-324.awsdns-40.com2018-05-22 → 2026-08-08 · 3 obs

○ 2016-08-21 23:53:02
● 2018-05-22 06:51:16
● 2026-08-08 02:30:16

●NSns-632.awsdns-15.net2018-05-22 → 2026-08-08 · 3 obs

○ 2016-08-21 23:53:02
● 2018-05-22 06:51:16
● 2026-08-08 02:30:16

○MXmail.dbfocus.jp2015-11-18 → 2018-05-22 · 4 obs

● 2015-11-18 05:20:56
● 2018-05-22 06:51:16
○ 2026-03-26 17:36:48
○ 2026-08-08 02:30:16

●MXml.dbfocus.jp2026-03-26 → 2026-08-08 · 3 obs

○ 2018-05-22 06:51:16
● 2026-03-26 17:36:48
● 2026-08-08 02:30:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...	-
dbfocus.jp	ns-632.awsdns-15.net, ns-1376.awsdns-44.org	-

✅ Authoritative Response

Server:205.251.194.120

NS records: ns-632.awsdns-15.net, ns-1376.awsdns-44.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dbfocus.jp (unsigned zone)

⏱️ Timing

Total: 707ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1376.awsdns-44.org, ns-1745.awsdns-26.co.uk...`
MX	1	`ml.dbfocus.jp (pri: 10)`
TXT	1	`v=spf1 include:_spf.dbfocus.jp ~all`
SOA	1	`ns-324.awsdns-40.com awsdns-hostmaster.a`

Analysis

Hierarchy

mail.dbfocus.jp, v4.dbfocus.jp and ml.dbfocus.jp are all subdomains of dbfocus.jp.

Name Servers

The NS records for dbfocus.jp point to four name servers: ns-324.awsdns-40.com, ns-632.awsdns-15.net, ns-1376.awsdns-44.org and ns-1745.awsdns-26.co.uk.

The name servers of dbfocus.jp overlap at least partially with those of other domains — among them skycraftusa.com, paradisebluefestival.com, weathermaps.de and two more.

Each of the four hosts ns-324.awsdns-40.com, ns-632.awsdns-15.net, ns-1376.awsdns-44.org and ns-1745.awsdns-26.co.uk has two IP addresses. ns-324.awsdns-40.com points to 205.251.193.68 and 2600:9000:5301:4400::1. ns-632.awsdns-15.net points to 205.251.194.120 and 2600:9000:5302:7800::1. ns-1376.awsdns-44.org points to 205.251.197.96 and 2600:9000:5305:6000::1. ns-1745.awsdns-26.co.uk points to 205.251.198.209 and 2600:9000:5306:d100::1.

Mail Servers

The sole mail server for dbfocus.jp is ml.dbfocus.jp.

Among the domains sharing a mail server setup with dbfocus.jp are marketingbox.jp, e-sig.jp, i-entry.jp and two others.

ml.dbfocus.jp has exactly one IP number: 54.95.42.203.