`change-official.com`

DNSSEC	⚠️ Not signed
A	182.48.49.168^{🇯🇵 SAKURA-C182.48.0.0/18 (6/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
		PTR	`www2228.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	`change-official.com` ⭐
		A	182.48.49.168^{🇯🇵 SAKURA-C182.48.0.0/18 (6/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www2228.sakura.ne.jp`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2011-11-19 #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=1774783372

MX for

change-official.com

Same first word

change-official.com

DNS History

5 records (5 active, 0 former)

●NSmaster.dns.ne.jp2015-07-03 → 2026-03-29 · 2 obs

● 2015-07-03 05:40:50
● 2026-03-29 11:45:30

●NSns1.dns.ne.jp2015-07-03 → 2026-03-29 · 2 obs

● 2015-07-03 05:40:50
● 2026-03-29 11:45:30

●NSns2.dns.ne.jp2015-07-03 → 2026-03-29 · 2 obs

● 2015-07-03 05:40:50
● 2026-03-29 11:45:30

●MXchange-official.com2015-07-03 → 2026-03-29 · 2 obs

● 2015-07-03 05:40:50
● 2026-03-29 11:45:30

●A182.48.49.1682015-07-03 → 2026-03-29 · 2 obs

● 2015-07-03 05:40:50
● 2026-03-29 11:45:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
change-official.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 change-official.com (unsigned zone)

⏱️ Timing

Total: 992ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`182.48.49.168`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	1	`change-official.com (pri: 10)`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

Analysis

Mail Server Role

For change-official.com, the mail server is change-official.com.

IP Addresses

change-official.com resolves to one IP number: 182.48.49.168.

other host names including younan.or.jp, yoshidarenga.co.jp, o-kasi.com, mai-takano.sakura.ne.jp and shihori.com share IP numbers with change-official.com.

Name Servers

change-official.com is delegated to three name servers master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

change-official.com at least partially shares name servers with other domains, for instance cco.or.jp, ai-and-ai-chiba.sakura.ne.jp, wakihara.net, 131.120.153.in-addr.arpa and tokyoacademicpark.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

change-official.com is served by a single mail server, change-official.com.

change-official.com resolves to IP 182.48.49.168.

change-official.com - robtex.com