`brain-learning.com`

DNSSEC	⚠️ Not signed
A	133.242.55.166^{🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
		PTR	`brain-learning.com`
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	`brain-learning.com` ⭐
		A	133.242.55.166^{🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
			PTR	`brain-learning.com`
TXT	`v=spf1 +ip4:133.242.55.166 +ip4:153.127.200.214 ~all`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2024-07-29 #2

`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=1771291435

MX for

brain-learning.com

Same first word

brain-learning.com

DNS History

13 records (5 active, 8 former)

●NSmaster.dns.ne.jp2015-06-21 → 2026-03-20 · 3 obs

○ 2007-11-11 02:51:38
● 2015-06-21 01:54:12
● 2026-03-20 21:49:32

○NSns0.dmpriest.net.uk2007-11-11 → 2007-11-11 · 3 obs

● 2007-11-11 02:51:38
○ 2015-06-21 01:54:12
○ 2026-03-20 21:49:32

○NSns1.dmpriest.net.uk2007-11-11 → 2007-11-11 · 3 obs

● 2007-11-11 02:51:38
○ 2015-06-21 01:54:12
○ 2026-03-20 21:49:32

●NSns1.dns.ne.jp2015-06-21 → 2026-03-20 · 3 obs

○ 2007-11-11 02:51:38
● 2015-06-21 01:54:12
● 2026-03-20 21:49:32

○NSns2.dmpriest.net.uk2007-11-11 → 2007-11-11 · 3 obs

● 2007-11-11 02:51:38
○ 2015-06-21 01:54:12
○ 2026-03-20 21:49:32

●NSns2.dns.ne.jp2015-06-21 → 2026-03-20 · 3 obs

○ 2007-11-11 02:51:38
● 2015-06-21 01:54:12
● 2026-03-20 21:49:32

○NSns3.dmpriest.net.uk2007-11-11 → 2007-11-11 · 3 obs

● 2007-11-11 02:51:38
○ 2015-06-21 01:54:12
○ 2026-03-20 21:49:32

●MXbrain-learning.com2015-06-21 → 2026-03-20 · 3 obs

○ 2007-11-11 02:51:38
● 2015-06-21 01:54:12
● 2026-03-20 21:49:32

○MXmx0.dmpriest.net.uk2007-11-11 → 2007-11-11 · 3 obs

● 2007-11-11 02:51:38
○ 2015-06-21 01:54:12
○ 2026-03-20 21:49:32

○MXmx1.dmpriest.net.uk2007-11-11 → 2007-11-11 · 3 obs

● 2007-11-11 02:51:38
○ 2015-06-21 01:54:12
○ 2026-03-20 21:49:32

○MXmx3.dmpriest.net.uk2007-11-11 → 2007-11-11 · 3 obs

● 2007-11-11 02:51:38
○ 2015-06-21 01:54:12
○ 2026-03-20 21:49:32

○A133.242.139.172015-06-21 → 2019-01-20 · 5 obs

○ 2007-11-11 02:51:38
● 2015-06-21 01:54:12
● 2019-01-20 03:53:38
○ 2026-02-26 18:47:06
○ 2026-03-20 21:49:32

●A133.242.55.1662026-02-26 → 2026-03-20 · 3 obs

○ 2019-01-20 03:53:38
● 2026-02-26 18:47:06
● 2026-03-20 21:49:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net...	-
brain-learning.com	ns1.dns.ne.jp, ns2.dns.ne.jp	-

✅ Authoritative Response

Server: 61.211.236.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for brain-learning.com (unsigned zone)

⏱️ Timing

Total: 1217ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`133.242.55.166`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	1	`brain-learning.com (pri: 10)`
TXT	1	`v=spf1 +ip4:133.242.55.166 +ip4:153.127.`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

Analysis

Mail Server Role

For brain-learning.com, the mail server is brain-learning.com.

IP Addresses

brain-learning.com points to a single IP number: 133.242.55.166.

Name Servers

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

brain-learning.com at least partially shares name servers with other domains, for instance casho.sakura.ne.jp, aesj.net, yaq.jp, kusuri-shidousen.sakura.ne.jp and ar-gran.com.

These name servers are commonly used with the name servers dns.sakura.ad.jp.

Host names with one IP number:

master.dns.ne.jp points to 210.224.172.18.

ns1.dns.ne.jp points to 61.211.236.1.

ns2.dns.ne.jp points to 133.167.21.1.

Mail Servers

One mail server handles brain-learning.com.

Host name brain-learning.com points to IP address 133.242.55.166.

brain-learning.com - robtex.com