`suma-lifeworld.com`

DNSSEC	⚠️ Not signed
A	49.212.243.108^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
		PTR	`www3598.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	`suma-lifeworld.com` ⭐
		A	49.212.243.108^{🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www3598.sakura.ne.jp`
TXT	`v=spf1 a:www3598.sakura.ne.jp mx ~all`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2023-10-12 #14

`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=1776065947

Previously NS for

suma-lifeworld.com

MX for

suma-lifeworld.com

Same first word

suma-lifeworld.com

DNS History

12 records (5 active, 7 former)

○NSdns01.muumuu-domain.com2017-03-27 → 2017-03-27 · 4 obs

○ 2016-05-04 21:02:16
● 2017-03-27 04:08:20
○ 2026-02-19 20:11:08
○ 2026-04-13 08:01:00

○NSdns02.muumuu-domain.com2017-03-27 → 2017-03-27 · 4 obs

○ 2016-05-04 21:02:16
● 2017-03-27 04:08:20
○ 2026-02-19 20:11:08
○ 2026-04-13 08:01:00

●NSmaster.dns.ne.jp2015-05-13 → 2026-04-13 · 5 obs

● 2015-05-13 15:42:06
● 2016-05-04 21:02:16
○ 2017-03-27 04:08:20
● 2026-02-19 20:11:08
● 2026-04-13 08:01:00

●NSns1.dns.ne.jp2015-05-13 → 2026-04-13 · 5 obs

● 2015-05-13 15:42:06
● 2016-05-04 21:02:16
○ 2017-03-27 04:08:20
● 2026-02-19 20:11:08
● 2026-04-13 08:01:00

●NSns2.dns.ne.jp2015-05-13 → 2026-04-13 · 5 obs

● 2015-05-13 15:42:06
● 2016-05-04 21:02:16
○ 2017-03-27 04:08:20
● 2026-02-19 20:11:08
● 2026-04-13 08:01:00

○NSsuma-lifeworld.com2017-03-27 → 2017-03-27 · 4 obs

○ 2016-05-04 21:02:16
● 2017-03-27 04:08:20
○ 2026-02-19 20:11:08
○ 2026-04-13 08:01:00

○MXmail.suma-lifeworld.com2015-05-13 → 2017-03-27 · 4 obs

● 2015-05-13 15:42:06
● 2017-03-27 04:08:20
○ 2026-02-19 20:11:08
○ 2026-04-13 08:01:00

●MXsuma-lifeworld.com2026-02-19 → 2026-04-13 · 3 obs

○ 2017-03-27 04:08:20
● 2026-02-19 20:11:08
● 2026-04-13 08:01:00

○A210.239.38.1652017-03-27 → 2017-03-27 · 4 obs

○ 2016-05-04 21:02:16
● 2017-03-27 04:08:20
○ 2026-02-19 20:11:08
○ 2026-04-13 08:01:00

○A210.239.38.1972015-05-13 → 2016-05-04 · 4 obs

● 2015-05-13 15:42:06
● 2016-05-04 21:02:16
○ 2017-03-27 04:08:20
○ 2026-04-13 08:01:00

○A210.239.38.1982015-05-13 → 2016-05-04 · 4 obs

● 2015-05-13 15:42:06
● 2016-05-04 21:02:16
○ 2017-03-27 04:08:20
○ 2026-04-13 08:01:00

●A49.212.243.1082026-02-19 → 2026-04-13 · 3 obs

○ 2017-03-27 04:08:20
● 2026-02-19 20:11:08
● 2026-04-13 08:01:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net...	-
suma-lifeworld.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 suma-lifeworld.com (unsigned zone)

⏱️ Timing

Total: 667ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`49.212.243.108`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	1	`suma-lifeworld.com (pri: 10)`
TXT	1	`v=spf1 a:www3598.sakura.ne.jp mx ~all`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

Analysis

Mail Server Role

The mail server for suma-lifeworld.com is suma-lifeworld.com.

IP Addresses

suma-lifeworld.com maps to IP address 49.212.243.108.

Other host names, for instance ml.acora.co.jp, mx.sekiguchi-kensetsu.com, mx.365web-fc.com, www.the-manhattan.co.jp and willplanning.jp share IP numbers with suma-lifeworld.com.

Name Servers

suma-lifeworld.com is delegated to name servers master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

suma-lifeworld.com at least partially shares name servers with other domains such as technoturf.sakura.ne.jp, ajbfo.com, www.executive-link.com, sidekicks.jp and ipallet.org.

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 suma-lifeworld.com.

suma-lifeworld.com points to one IP number: 49.212.243.108.

suma-lifeworld.com - robtex.com