`bourbaki1139.com`

DNSSEC	⚠️ Not signed
A	49.212.198.100^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
		PTR	`www2890.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	`bourbaki1139.com` ⭐
		A	49.212.198.100^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www2890.sakura.ne.jp`
TXT	`v=spf1 a:www2890.sakura.ne.jp mx ~all`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2016-08-17 #21

`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=1778778796

MX for

bourbaki1139.com

Same first word

bourbaki1139.com

DNS History

5 records (5 active, 0 former)

●NSmaster.dns.ne.jp2016-12-15 → 2026-05-14 · 2 obs

● 2016-12-15 03:20:02
● 2026-05-14 17:19:32

●NSns1.dns.ne.jp2016-12-15 → 2026-05-14 · 2 obs

● 2016-12-15 03:20:02
● 2026-05-14 17:19:32

●NSns2.dns.ne.jp2016-12-15 → 2026-05-14 · 2 obs

● 2016-12-15 03:20:02
● 2026-05-14 17:19:32

●MXbourbaki1139.com2016-12-15 → 2026-05-14 · 2 obs

● 2016-12-15 03:20:02
● 2026-05-14 17:19:32

●A49.212.198.1002016-12-15 → 2026-05-14 · 2 obs

● 2016-12-15 03:20:02
● 2026-05-14 17:19:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, b.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net...	-
bourbaki1139.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 bourbaki1139.com (unsigned zone)

⏱️ Timing

Total: 958ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`49.212.198.100`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	1	`bourbaki1139.com (pri: 10)`
TXT	1	`v=spf1 a:www2890.sakura.ne.jp mx ~all`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

Analysis

Mail Server Role

The mail server for bourbaki1139.com is bourbaki1139.com.

IP Addresses

bourbaki1139.com maps to IP address 49.212.198.100.

Other host names, for instance sunagass.net, boulangerie-ape.com, iriyamabe.com, shinwadensetu.com and yoshitake-design.com share IP numbers with bourbaki1139.com.

Name Servers

bourbaki1139.com is delegated to name servers master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

bourbaki1139.com at least partially shares name servers with other domains such as msv-ehc01052.sakura.ne.jp, netshopbuilder.jp, yajrobe.net, 186.106.59.in-addr.arpa and ncsp.jp.

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

Host names with a single IP:

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 serves bourbaki1139.com.

bourbaki1139.com points to one IP number: 49.212.198.100.

bourbaki1139.com - robtex.com