`f-base.jp`

DNSSEC	⚠️ Not signed
A	3.162.103.9^{🇺🇸 Amazon3.162.96.0/21}
		PTR	`server-3-162-103-9.iad61.r.cloudfront.net`
A	3.162.103.36^{🇺🇸 Amazon3.162.96.0/21}
A	3.162.103.55^{🇺🇸 Amazon3.162.96.0/21}
A	3.162.103.93^{🇺🇸 Amazon3.162.96.0/21}
NS	`ns-1312.awsdns-36.org` ⭐
		A	2600:9000:5305:2000::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1312.awsdns-36.org`
		A	205.251.197.32^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1312.awsdns-36.org`
NS	`ns-1838.awsdns-37.co.uk`
		A	2600:9000:5307:2e00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1838.awsdns-37.co.uk`
		A	205.251.199.46^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1838.awsdns-37.co.uk`
NS	`ns-417.awsdns-52.com`
		A	2600:9000:5301:a100::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-417.awsdns-52.com`
		A	205.251.193.161^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-417.awsdns-52.com`
NS	`ns-694.awsdns-22.net`
		A	2600:9000:5302:b600::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-694.awsdns-22.net`
		A	205.251.194.182^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-694.awsdns-22.net`
MX	`fbase.sakura.ne.jp` ⭐
		A	49.212.198.53^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www2843.sakura.ne.jp`
TXT	`v=spf1 +ip4:49.212.198.53 ip4:52.197.222.111 ip4:3.224.59.100 ~all`
SOA	`ns-1312.awsdns-36.org`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=1771290902

Same first word

f-base.jp

Similar names

b-safe.com.mx

esa-bf.com

fsb-ae.net

b-safe.at

b-safe.ru

base-f.com

b-safe.com

b-safe.eu

b-safe.ie

esa-bf.de

bfs-ae.gr

b-safe.cn

b-safe.ch

b-safe.net

fsb-ae.com

b-safe.org

b-safe.es

b-safe.co.za

DNS History

25 records (9 active, 16 former)

●NSns-1312.awsdns-36.org2026-02-15 → 2026-03-10 · 2 obs

● 2026-02-15 21:41:46
● 2026-03-10 23:21:10

●NSns-1838.awsdns-37.co.uk2026-02-15 → 2026-03-10 · 2 obs

● 2026-02-15 21:41:46
● 2026-03-10 23:21:10

●NSns-417.awsdns-52.com2026-02-15 → 2026-03-10 · 2 obs

● 2026-02-15 21:41:46
● 2026-03-10 23:21:10

●NSns-694.awsdns-22.net2026-02-15 → 2026-03-10 · 2 obs

● 2026-02-15 21:41:46
● 2026-03-10 23:21:10

●MXfbase.sakura.ne.jp2026-02-15 → 2026-03-10 · 2 obs

● 2026-02-15 21:41:46
● 2026-03-10 23:21:10

○A13.33.153.1192026-02-15 → 2026-02-16 · 4 obs

● 2026-02-15 21:41:46
● 2026-02-16 22:51:04
○ 2026-02-17 09:42:22
○ 2026-03-10 23:21:10

○A13.33.153.232026-02-15 → 2026-02-16 · 4 obs

● 2026-02-15 21:41:46
● 2026-02-16 22:51:04
○ 2026-02-17 09:42:22
○ 2026-03-10 23:21:10

○A13.33.153.32026-02-15 → 2026-02-16 · 4 obs

● 2026-02-15 21:41:46
● 2026-02-16 22:51:04
○ 2026-02-17 09:42:22
○ 2026-03-10 23:21:10

○A13.33.153.482026-02-15 → 2026-02-16 · 4 obs

● 2026-02-15 21:41:46
● 2026-02-16 22:51:04
○ 2026-02-17 09:42:22
○ 2026-03-10 23:21:10

○A216.137.53.1012026-02-17 → 2026-03-10 · 34 obs

○ 2026-02-16 22:51:04
● 2026-02-17 09:42:22
● 2026-02-20 11:34:42
○ 2026-02-20 17:02:14
● 2026-02-20 18:14:44
● 2026-02-23 12:55:30
○ 2026-02-23 16:32:00
○ 2026-02-23 22:16:20
● 2026-02-24 02:06:00
● 2026-02-24 16:13:38
○ 2026-02-25 07:17:02
● 2026-02-25 09:39:00
● 2026-03-01 02:30:06
○ 2026-03-01 04:11:56
● 2026-03-01 05:34:44
● 2026-03-02 11:39:50
○ 2026-03-03 00:51:18
● 2026-03-04 01:03:06
● 2026-03-04 01:58:52
○ 2026-03-04 08:24:26
● 2026-03-05 01:52:16
● 2026-03-05 18:29:58
○ 2026-03-06 00:50:16
● 2026-03-06 02:14:32
● 2026-03-07 01:25:24
○ 2026-03-07 03:02:50
● 2026-03-07 04:09:38
○ 2026-03-07 21:23:00
● 2026-03-07 22:53:56
○ 2026-03-07 23:28:38
● 2026-03-08 06:01:38
● 2026-03-10 15:44:30
○ 2026-03-10 23:21:08
○ 2026-03-10 23:21:10

○A216.137.53.722026-02-17 → 2026-03-10 · 34 obs

○A216.137.53.852026-02-17 → 2026-03-10 · 34 obs

○A216.137.53.952026-02-17 → 2026-03-10 · 34 obs

●A3.162.103.362026-02-23 → 2026-03-10 · 24 obs

○ 2026-02-23 16:32:00
● 2026-02-23 22:16:20
○ 2026-02-24 02:06:00
○ 2026-02-24 16:13:38
● 2026-02-25 07:17:02
○ 2026-02-25 09:39:00
○ 2026-03-01 02:30:06
● 2026-03-01 04:11:56
○ 2026-03-01 05:34:44
○ 2026-03-02 11:39:50
● 2026-03-03 00:51:18
○ 2026-03-04 01:03:06
○ 2026-03-04 01:58:52
● 2026-03-04 08:24:26
○ 2026-03-05 01:52:16
○ 2026-03-05 18:29:58
● 2026-03-06 00:50:16
○ 2026-03-06 02:14:32
○ 2026-03-07 01:25:24
● 2026-03-07 03:02:50
○ 2026-03-07 04:09:38
○ 2026-03-10 15:44:30
● 2026-03-10 23:21:08
● 2026-03-10 23:21:10

●A3.162.103.552026-02-23 → 2026-03-10 · 24 obs

●A3.162.103.92026-02-23 → 2026-03-10 · 24 obs

●A3.162.103.932026-02-23 → 2026-03-10 · 24 obs

○A3.168.102.152026-03-07 → 2026-03-07 · 6 obs

○ 2026-03-07 04:09:38
● 2026-03-07 21:23:00
○ 2026-03-07 22:53:56
● 2026-03-07 23:28:38
○ 2026-03-08 06:01:38
○ 2026-03-10 23:21:10

○A3.168.102.172026-03-07 → 2026-03-07 · 6 obs

○ 2026-03-07 04:09:38
● 2026-03-07 21:23:00
○ 2026-03-07 22:53:56
● 2026-03-07 23:28:38
○ 2026-03-08 06:01:38
○ 2026-03-10 23:21:10

○A3.168.102.192026-03-07 → 2026-03-07 · 6 obs

○ 2026-03-07 04:09:38
● 2026-03-07 21:23:00
○ 2026-03-07 22:53:56
● 2026-03-07 23:28:38
○ 2026-03-08 06:01:38
○ 2026-03-10 23:21:10

○A3.168.102.622026-03-07 → 2026-03-07 · 6 obs

○ 2026-03-07 04:09:38
● 2026-03-07 21:23:00
○ 2026-03-07 22:53:56
● 2026-03-07 23:28:38
○ 2026-03-08 06:01:38
○ 2026-03-10 23:21:10

○A3.168.132.1242026-02-20 → 2026-02-23 · 7 obs

○ 2026-02-20 11:34:42
● 2026-02-20 17:02:14
○ 2026-02-20 18:14:44
○ 2026-02-23 12:55:30
● 2026-02-23 16:32:00
○ 2026-02-23 22:16:20
○ 2026-03-10 23:21:10

○A3.168.132.242026-02-20 → 2026-02-23 · 7 obs

○ 2026-02-20 11:34:42
● 2026-02-20 17:02:14
○ 2026-02-20 18:14:44
○ 2026-02-23 12:55:30
● 2026-02-23 16:32:00
○ 2026-02-23 22:16:20
○ 2026-03-10 23:21:10

○A3.168.132.302026-02-20 → 2026-02-23 · 7 obs

○ 2026-02-20 11:34:42
● 2026-02-20 17:02:14
○ 2026-02-20 18:14:44
○ 2026-02-23 12:55:30
● 2026-02-23 16:32:00
○ 2026-02-23 22:16:20
○ 2026-03-10 23:21:10

○A3.168.132.362026-02-20 → 2026-02-23 · 7 obs

○ 2026-02-20 11:34:42
● 2026-02-20 17:02:14
○ 2026-02-20 18:14:44
○ 2026-02-23 12:55:30
● 2026-02-23 16:32:00
○ 2026-02-23 22:16:20
○ 2026-03-10 23:21:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
f-base.jp	ns-1838.awsdns-37.co.uk, ns-417.awsdns-52.com, ns-694.awsdns-22.net, ns-1312.awsdns-36.org	-

✅ Authoritative Response

Server: 205.251.193.161

NS records: ns-1838.awsdns-37.co.uk, ns-417.awsdns-52.com, ns-694.awsdns-22.net, ns-1312.awsdns-36.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for f-base.jp (unsigned zone)

⏱️ Timing

Total: 1143ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.162.103.55, 3.162.103.36...`
NS	4	`ns-1312.awsdns-36.org, ns-1838.awsdns-37.co.uk...`
MX	1	`fbase.sakura.ne.jp (pri: 10)`
TXT	1	`v=spf1 +ip4:49.212.198.53 ip4:52.197.222`
SOA	1	`ns-1312.awsdns-36.org awsdns-hostmaster.`

Analysis

IP Addresses

f-base.jp refers to four IP numbers: 3.162.103.9, 3.162.103.36, 3.162.103.55 and 3.162.103.93.

Other host names, for instance selectfamilypractice.com, samtendakpa.com, vermilionchiropractic.com, vmarkdown.com and www.semitransparentdesign.com share IP numbers with f-base.jp.

Name Servers

f-base.jp delegates to four name servers: ns-417.awsdns-52.com, ns-694.awsdns-22.net, ns-1312.awsdns-36.org and ns-1838.awsdns-37.co.uk.

f-base.jp at least partially shares name servers with other domains, including fortiweb-cloud-dev-02.com, ticket.co.jp, atomic.ai, gmplawyers.com.au and devoptix.com.

These name servers are commonly used with ns-219.awsdns-27.com, ns-706.awsdns-24.net and ns-1682.awsdns-18.co.uk.

Host names with two IP numbers: ns-417.awsdns-52.com points to 2600:9000:5301:a100::1 and 205.251.193.161; ns-694.awsdns-22.net points to 2600:9000:5302:b600::1 and 205.251.194.182; ns-1312.awsdns-36.org points to 2600:9000:5305:2000::1 and 205.251.197.32; ns-1838.awsdns-37.co.uk points to 2600:9000:5307:2e00::1 and 205.251.199.46.

Mail Servers

A single mail server handles f-base.jp, fbase.sakura.ne.jp.

f-base.jp shares the same mail server setup as other domains, for example fbase.sakura.ne.jp.

Host name fbase.sakura.ne.jp resolves to a single IP: 49.212.198.53.

f-base.jp - robtex.com

f-base.jp

jp

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`f-base.jp`

`jp`