firstmail.jp - robtex.com

firstmail.jp

DNSSEC⚠️ Not signed
A153.127.248.127🇯🇵 KAGOYAJAPAN153.127.224.0/19 KAGOYA Japan Inc.
PTRv4276.vir.kagoya.net
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
MXrs01.firstmail.jp ⭐
A157.7.141.42🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRv157-7-141-42.myvps.jp
TXTv=spf1 +ip4:153.127.245.226 +ip4:153.127.241.15 +ip4:210.172.133.181 +ip4:210...
SOA01.dnsv.jphostmaster@dnsv.jp serial=1692885519

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1776215702

Subdomains

vps2.firstmail.jp
rs01.firstmail.jp

Same first word

firstmail.de
firstmail.co
firstmail.dk
firstmail.org
firstmail.li
firstmail.net
firstmail.ltd
firstmail.ru
firstmail.pro
firstmail.ca
firstmail.jp
firstmail.com
firstmail.site
firstmail.at
firstmail.eu

Similar names

artifilms.com
filmistar.com
liamfirst.com
artisfilm.eu
limafirst.church
limafirst.com
filmrista.com
smartlifi.com
mailfirst.icu
artisfilm.com
traifilms.com
mailfirst.com
farlimits.com
artisfilm.at
firmalist.com
alistfirm.com
filmisart.com
firstamil.com
filimstar.com

DNS History

7 records (6 active, 1 former)

20162017201820192020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpMXrs01.firstmail.jpA153.127.248.127153.127.251.53
●NS01.dnsv.jp2015-07-08 → 2026-04-15 · 2 obs
● 2015-07-08 16:22:50
● 2026-04-15 01:32:22
●NS02.dnsv.jp2015-07-08 → 2026-04-15 · 2 obs
● 2015-07-08 16:22:50
● 2026-04-15 01:32:22
●NS03.dnsv.jp2015-07-08 → 2026-04-15 · 2 obs
● 2015-07-08 16:22:50
● 2026-04-15 01:32:22
●NS04.dnsv.jp2015-07-08 → 2026-04-15 · 2 obs
● 2015-07-08 16:22:50
● 2026-04-15 01:32:22
●MXrs01.firstmail.jp2015-07-08 → 2026-04-15 · 2 obs
● 2015-07-08 16:22:50
● 2026-04-15 01:32:22
●A153.127.248.1272026-03-25 → 2026-04-15 · 3 obs
○ 2017-10-11 10:37:32
● 2026-03-25 20:32:14
● 2026-04-15 01:32:22
○A153.127.251.532015-07-08 → 2017-10-11 · 4 obs
● 2015-07-08 16:22:50
● 2017-10-11 10:37:32
○ 2026-03-25 20:32:14
○ 2026-04-15 01:32:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
firstmail.jp01.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp, 04.dnsv.jp7 records

✅ Authoritative Response

Server:157.7.35.53

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstmail.jp (unsigned zone)

⏱️ Timing

Total: 819ms | Queries: -

📄 Records

TypeCountSample Data
A1153.127.248.127
NS401.dnsv.jp, 02.dnsv.jp...
MX1rs01.firstmail.jp (pri: 10)
TXT1v=spf1 +ip4:153.127.245.226 +ip4:153.127
SOA101.dnsv.jp hostmaster.dnsv.jp

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (04.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp...)

Analysis

Hierarchy

firstmail.jp is a parent of vps2.firstmail.jp and rs01.firstmail.jp.

IP Addresses

firstmail.jp points to IP number 153.127.248.127.

Other host names, for example amepress.net and v4276.vir.kagoya.net, share IPs with firstmail.jp.

Name Servers

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

firstmail.jp shares name servers with other domains at least partially, for example hpip.jp, tabmemoptimizer.site, healthy36.online, kanden-sha.com and 1create.co.jp.

Hosts with two IP numbers

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

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

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

Hosts with one IP number

- Host 02.dnsv.jp points to: 157.7.33.53

Mail Servers

firstmail.jp is handled by a single mail server, rs01.firstmail.jp.

rs01.firstmail.jp points to a single IP: 157.7.141.42.