backyd.co.jp - robtex.com

backyd.co.jp

DNSSEC⚠️ Not signed
NS01.dnsv.jp ⭐
A2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.
PTR01.dnsv.jp
A157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.
PTR01.dnsv.jp
NS02.dnsv.jp
A157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.
PTR02.dnsv.jp
NS03.dnsv.jp
A2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.
PTR03.dnsv.jp
A157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.
PTR03.dnsv.jp
NS04.dnsv.jp
A2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.
PTR04.dnsv.jp
A157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.
PTR04.dnsv.jp
MXip-172-31-32-170.backyd.co.jp ⭐
A52.5.241.35🇺🇸 Amazon52.4.0.0/14 EC2 IAD prefix
PTRec2-52-5-241-35.compute-1.amazonaws.com
MXmailforward.dnsv.jp ⭐
A163.44.188.5🇯🇵 GMO-INTERNET163.44.176.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRmailforward.dnsv.jp
SOA01.dnsv.jphostmaster@dnsv.jp serial=1752031911

co.jp

DNSSEC⚠️ Not signed
TXTco.jp.
WOT: SAFE (58/100)

Subdomains

ip-172-31-32-170.backyd.co.jp

Same first word

backyd.co.jp

Similar names

kaycbd.com
cdabky.com

DNS History

6 records (6 active, 0 former)

20162017201820192020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpMXip-172-31-32-170.backyd.co.jpmailforward.dnsv.jp
●NS01.dnsv.jp2015-06-04 → 2026-04-11 · 2 obs
● 2015-06-04 06:45:52
● 2026-04-11 22:54:58
●NS02.dnsv.jp2015-06-04 → 2026-04-11 · 2 obs
● 2015-06-04 06:45:52
● 2026-04-11 22:54:58
●NS03.dnsv.jp2015-06-04 → 2026-04-11 · 2 obs
● 2015-06-04 06:45:52
● 2026-04-11 22:54:58
●NS04.dnsv.jp2015-06-04 → 2026-04-11 · 2 obs
● 2015-06-04 06:45:52
● 2026-04-11 22:54:58
●MXip-172-31-32-170.backyd.co.jp2015-06-04 → 2026-04-11 · 2 obs
● 2015-06-04 06:45:52
● 2026-04-11 22:54:58
●MXmailforward.dnsv.jp2015-06-04 → 2026-04-11 · 2 obs
● 2015-06-04 06:45:52
● 2026-04-11 22:54:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
backyd.co.jp01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp7 records

✅ Authoritative Response

Server:157.7.33.53

NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for backyd.co.jp (unsigned zone)

⏱️ Timing

Total: 900ms | Queries: -

📄 Records

TypeCountSample Data
NS401.dnsv.jp, 02.dnsv.jp...
MX2ip-172-31-32-170.backyd.co.jp (pri: 10), mailforward.dnsv.jp (pri: 10)
SOA101.dnsv.jp hostmaster.dnsv.jp

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp...)

Analysis

Hierarchy

backyd.co.jp is parent of ip-172-31-32-170.backyd.co.jp.

Name Servers

backyd.co.jp is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

backyd.co.jp at least partially shares its name servers with other domains, for instance samuraisword.co.jp, moedroid.jp, arai-waste.com, we-admin.net and kishibura.jp.

Two IPs per host:

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 per host:

02.dnsv.jp points to 157.7.33.53.

Mail Servers

Two mail servers mailforward.dnsv.jp and ip-172-31-32-170.backyd.co.jp handle backyd.co.jp.

backyd.co.jp shares some mail servers with other domains, including syuuei.jp, geo2m.net, nonsugar.net, edi-hirano-ss.com and ppsa-jc.com.

these mail servers are often used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

Host names with a single IP:

mailforward.dnsv.jp resolves to 163.44.188.5.

ip-172-31-32-170.backyd.co.jp resolves to 52.5.241.35.