mail.bignets.jp - robtex.com

mail.bignets.jp

CNAMEbignets.jp
DNSSEC⚠️ Not signed
A121.50.47.108🇯🇵 TSUKAERUNET121.50.40.0/21 JMF Investment & Technology PTY LTD 1082 Minamiagata-machi
PTRserver12.koeda.biz
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
TXTv=spf1 ip4:121.50.47.108 ~all
SOA01.dnsv.jphostmaster@dnsv.jp serial=1761803243

bignets.jp

DNSSEC⚠️ Not signed
A121.50.47.108🇯🇵 TSUKAERUNET121.50.40.0/21 JMF Investment & Technology PTY LTD 1082 Minamiagata-machi
NS01.dnsv.jp ⭐
NS02.dnsv.jp
NS03.dnsv.jp
NS04.dnsv.jp
TXTv=spf1 ip4:121.50.47.108 ~all
SOA01.dnsv.jphostmaster@dnsv.jp serial=1761803243

Previously MX for

mail.bignets.jp
bignets.jp

Same first word

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DNS History

5 records (1 active, 4 former)

20162017201820192020202120222023202420252026NSns1.tsukaeru.netns2.tsukaeru.netMXmail.bignets.jpA111.68.19.175CNAMEbignets.jp
○NSns1.tsukaeru.net2015-11-24 → 2016-09-12 · 4 obs
● 2015-11-24 04:08:32
● 2016-09-12 02:28:16
○ 2026-03-18 20:28:10
○ 2026-04-20 10:37:14
○NSns2.tsukaeru.net2015-11-24 → 2016-09-12 · 4 obs
● 2015-11-24 04:08:32
● 2016-09-12 02:28:16
○ 2026-03-18 20:28:10
○ 2026-04-20 10:37:14
○MXmail.bignets.jp2015-11-24 → 2016-09-12 · 4 obs
● 2015-11-24 04:08:32
● 2016-09-12 02:28:16
○ 2026-03-18 20:28:10
○ 2026-04-20 10:37:14
○A111.68.19.1752015-08-07 → 2016-09-12 · 4 obs
● 2015-08-07 03:59:58
● 2016-09-12 02:28:16
○ 2026-03-18 20:28:10
○ 2026-04-20 10:37:14
●CNAMEbignets.jp2015-08-07 → 2026-04-20 · 2 obs
● 2015-08-07 03:59:58
● 2026-04-20 10:37:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpb.dns.jp, f.dns.jp, h.dns.jp, d.dns.jp...-
bignets.jp01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp7 records

✅ Authoritative Response

Server:157.7.35.53

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bignets.jp (unsigned zone)

⏱️ Timing

Total: 884ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1bignets.jp

📌 Glue Records Collected

Total: 7

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

Analysis

IP Addresses

mail.bignets.jp resolves to one IP number: 121.50.47.108.

other host names including oamishirasato-taikyo.net, koeda.cc, bignets.jp, gonja.info and server12.koeda.biz share IP numbers with mail.bignets.jp.

Name Servers

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

mail.bignets.jp at least partially shares name servers with other domains, for instance suzuki-edu.com, bioweb.jp, support.ne.jp, kokushisaiten.net and esorabito.com.

Host names with two IP numbers:

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.

Host names with one IP number:

02.dnsv.jp points to 157.7.33.53.