`at-communication.jp`

DNSSEC	⚠️ Not signed
A	111.107.114.110^{🇯🇵 KDDI111.107.0.0/16}
NS	`01.dnsv.jp` ⭐
		A	2400:8500:3300::53^{🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.}
			PTR	`01.dnsv.jp`
		A	157.7.32.53^{🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.}
			PTR	`01.dnsv.jp`
NS	`02.dnsv.jp`
		A	157.7.33.53^{🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.}
			PTR	`02.dnsv.jp`
NS	`03.dnsv.jp` ⚠️ Not in parent delegation
		A	2400:8500:3000::53^{🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.}
			PTR	`03.dnsv.jp`
		A	157.7.34.53^{🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.}
			PTR	`03.dnsv.jp`
NS	`04.dnsv.jp` ⚠️ Not in parent delegation
		A	2400:8500:3fff::53^{🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.}
			PTR	`04.dnsv.jp`
		A	157.7.35.53^{🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.}
			PTR	`04.dnsv.jp`
MX	`mail.at-communication.jp` ⭐
		A	219.94.128.16^{🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`www806.sakura.ne.jp`
SOA	`01.dnsv.jp`hostmaster@dnsv.jp serial=1536023964

`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=1778594403

Subdomains

mail.at-communication.jp

Same first word

at-communication.com

DNS History

6 records (6 active, 0 former)

●NS01.dnsv.jp2015-07-22 → 2026-05-12 · 2 obs

● 2015-07-22 14:18:36
● 2026-05-12 14:25:20

●NS02.dnsv.jp2015-07-22 → 2026-05-12 · 2 obs

● 2015-07-22 14:18:36
● 2026-05-12 14:25:20

●NS03.dnsv.jp2015-11-23 → 2026-05-12 · 3 obs

○ 2015-07-22 14:18:36
● 2015-11-23 22:04:20
● 2026-05-12 14:25:20

●NS04.dnsv.jp2015-11-23 → 2026-05-12 · 3 obs

○ 2015-07-22 14:18:36
● 2015-11-23 22:04:20
● 2026-05-12 14:25:20

●MXmail.at-communication.jp2015-07-22 → 2026-05-12 · 2 obs

● 2015-07-22 14:18:36
● 2026-05-12 14:25:20

●A111.107.114.1102015-07-22 → 2026-05-12 · 2 obs

● 2015-07-22 14:18:36
● 2026-05-12 14:25:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
at-communication.jp	02.dnsv.jp, 01.dnsv.jp	3 records

✅ Authoritative Response

Server:157.7.33.53

NS records: 02.dnsv.jp, 01.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for at-communication.jp (unsigned zone)

⏱️ Timing

Total: 758ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`111.107.114.110`
NS	4	`01.dnsv.jp, 02.dnsv.jp...`
MX	1	`mail.at-communication.jp (pri: 10)`
SOA	1	`01.dnsv.jp hostmaster.dnsv.jp`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (01.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp)

Analysis

Hierarchy

at-communication.jp is the parent of mail.at-communication.jp.

IP Addresses

at-communication.jp points to a single IP number: 111.107.114.110.

Name Servers

at-communication.jp is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

at-communication.jp at least partially shares name servers with other domains, for instance iwa(0x73686974)a.me, premeas.com, beforeten.com, yusaani.com and happydiwali.online.

Two IPs for hosts:

01.dnsv.jp points to: 2400:8500:3300::53 and 157.7.32.53

03.dnsv.jp points to: 2400:8500:3000::53 and 157.7.34.53

04.dnsv.jp points to: 2400:8500:3fff::53 and 157.7.35.53

One IP for a host:

02.dnsv.jp points to: 157.7.33.53

Mail Servers

at-communication.jp is handled by a single mail server, mail.at-communication.jp.

Host name mail.at-communication.jp points to IP address 219.94.128.16.

at-communication.jp - robtex.com