gcast-sys.com - robtex.com

gcast-sys.com

DNSSEC⚠️ Not signed
A57.180.155.206🇯🇵 Amazon57.180.0.0/14 EC2
PTRec2-57-180-155-206.ap-northeast-1.compute.amazonaws.com
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
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=1698754431

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774524222

Same first word

gcast-sys.com

DNS History

7 records (6 active, 1 former)

2020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpMXmailforward.dnsv.jpA57.180.155.20627.134.248.237
●NS01.dnsv.jp2019-01-30 → 2026-03-26 · 2 obs
● 2019-01-30 14:30:04
● 2026-03-26 11:41:04
●NS02.dnsv.jp2019-01-30 → 2026-03-26 · 2 obs
● 2019-01-30 14:30:04
● 2026-03-26 11:41:04
●NS03.dnsv.jp2019-01-30 → 2026-03-26 · 2 obs
● 2019-01-30 14:30:04
● 2026-03-26 11:41:04
●NS04.dnsv.jp2019-01-30 → 2026-03-26 · 2 obs
● 2019-01-30 14:30:04
● 2026-03-26 11:41:04
●MXmailforward.dnsv.jp2019-01-30 → 2026-03-26 · 2 obs
● 2019-01-30 14:30:04
● 2026-03-26 11:41:04
○A27.134.248.2372019-01-30 → 2019-01-30 · 3 obs
● 2019-01-30 14:30:04
○ 2026-03-26 11:41:02
○ 2026-03-26 11:41:04
●A57.180.155.2062026-03-26 → 2026-03-26 · 3 obs
○ 2019-01-30 14:30:04
● 2026-03-26 11:41:02
● 2026-03-26 11:41:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net...-
gcast-sys.com01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp-

✅ 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 gcast-sys.com (unsigned zone)

⏱️ Timing

Total: 457ms | Queries: -

📄 Records

TypeCountSample Data
A157.180.155.206
NS401.dnsv.jp, 02.dnsv.jp...
MX1mailforward.dnsv.jp (pri: 10)
SOA101.dnsv.jp hostmaster.dnsv.jp

Analysis

IP Addresses

gcast-sys.com resolves to a single IP address: 57.180.155.206.

Name Servers

gcast-sys.com is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

gcast-sys.com at least partially shares name servers with other domains, including katoryota.com, c60.co.jp, ccj-s.com, activegear-japan.com and fu-ei.info.

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.

Mail Servers

gcast-sys.com is handled by a single mail server, mailforward.dnsv.jp.

gcast-sys.com shares its mail server setup with other domains, including seven-sea.com, hillofzion.com, sc-supporter.com, rethink.style and splashtopforcachatto.com.

The mail servers for gcast-sys.com are shared with other domains, for instance accse.com, unerry.co.jp, rent-a-car.jp, shokubunka-juku.net and gutfeelinglab.com.

these mail servers are commonly used with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

mailforward.dnsv.jp points to a single IP: 163.44.188.5.