itow.jp - robtex.com

itow.jp

DNSSEC⚠️ Not signed
A216.239.32.21🇺🇸 Google216.239.32.0/24
PTRany-in-2015.1e100.net
NSitow.jp
A216.239.32.21🇺🇸 Google216.239.32.0/24
PTRany-in-2015.1e100.net
NSdns01.muumuu-domain.com
A202.239.23.39🇯🇵 IDC202.239.23.0/24 Frontier Inc.
NSdns02.muumuu-domain.com
A160.251.249.62🇯🇵 GMOOSK-NET160.251.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
MXaspmx.l.google.com
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A142.251.16.26🇺🇸 Google142.251.16.0/24
PTRbl-in-f26.1e100.net
MXalt1.aspmx.l.google.com(20)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(20)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXaspmx2.googlemail.com(30)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXaspmx3.googlemail.com(30)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXaspmx4.googlemail.com(30)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXaspmx5.googlemail.com(30)
A2a00:1450:400c:c23::1a🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f26.1e100.net
A172.253.157.26🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f26.1e100.net
TXTv=spf1 include:_spf.google.com ~all
TXTgoogle-site-verification=OOeJn69LBclY6Ml__U-kEP9ftmTUS8Mhzn7CTcLQl_I
SOAitow.jppostmaster@itow.jp serial=1517450983

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=1784938502

NS for

Same first word

Similar names

DNS History

11 records (11 active, 0 former)

20162017201820192020202120222023202420252026NSdns01.muumuu-domain.comdns02.muumuu-domain.comitow.jpMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA216.239.32.21
NSdns01.muumuu-domain.com2015-08-20 → 2026-07-25 · 2 obs
● 2015-08-20 19:42:08
● 2026-07-25 00:50:32
NSdns02.muumuu-domain.com2015-08-20 → 2026-07-25 · 2 obs
● 2015-08-20 19:42:08
● 2026-07-25 00:50:32
NSitow.jp2015-08-20 → 2026-07-25 · 2 obs
● 2015-08-20 19:42:08
● 2026-07-25 00:50:32
MXalt1.aspmx.l.google.com2015-08-20 → 2026-07-25 · 2 obs
● 2015-08-20 19:42:08
● 2026-07-25 00:50:32
MXalt2.aspmx.l.google.com2015-08-20 → 2026-07-25 · 2 obs
● 2015-08-20 19:42:08
● 2026-07-25 00:50:32
MXaspmx.l.google.com2015-08-20 → 2026-07-25 · 2 obs
● 2015-08-20 19:42:08
● 2026-07-25 00:50:32
MXaspmx2.googlemail.com2015-08-20 → 2026-07-25 · 2 obs
● 2015-08-20 19:42:08
● 2026-07-25 00:50:32
MXaspmx3.googlemail.com2015-08-20 → 2026-07-25 · 2 obs
● 2015-08-20 19:42:08
● 2026-07-25 00:50:32
MXaspmx4.googlemail.com2015-08-20 → 2026-07-25 · 2 obs
● 2015-08-20 19:42:08
● 2026-07-25 00:50:32
MXaspmx5.googlemail.com2015-08-20 → 2026-07-25 · 2 obs
● 2015-08-20 19:42:08
● 2026-07-25 00:50:32
A216.239.32.212015-08-20 → 2026-07-25 · 2 obs
● 2015-08-20 19:42:08
● 2026-07-25 00:50:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
itow.jpdns01.muumuu-domain.com, dns02.muumuu-domain.com-

✅ Authoritative Response

Server:202.239.23.39

NS records: dns01.muumuu-domain.com, dns02.muumuu-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for itow.jp (unsigned zone)

⏱️ Timing

Total: 1418ms | Queries: -

📄 Records

TypeCountSample Data
A1216.239.32.21
NS2dns02.muumuu-domain.com, dns01.muumuu-domain.com
MX7ALT1.ASPMX.L.GOOGLE.COM (pri: 20), ASPMX4.GOOGLEMAIL.COM (pri: 30)...
TXT2google-site-verification=OOeJn69LBclY6Ml, v=spf1 include:_spf.google.com ~all
SOA1itow.jp postmaster.itow.jp

Analysis

Name Server Role

itow.jp is listed as a name server for itow.jp — it is in-bailiwick, authoritative for its own domain.

The name servers dns01.muumuu-domain.com and dns02.muumuu-domain.com are often paired with itow.jp.

IP Addresses

itow.jp has exactly one IP address — 216.239.32.21.

spimail.net, amescpa.com, aztechtronics.com plus two other host names have IP numbers in common with itow.jp.

Name Servers

itow.jp delegates authority to three name servers — itow.jp, dns01.muumuu-domain.com and dns02.muumuu-domain.com.

itow.jp has at least partial name server overlap with other domains, such as campus-inc.org, s-cycle.net, tokyosamplesale.net and two others.

Three hostnames, one IP address apiece: itow.jp resolves to 216.239.32.21, dns01.muumuu-domain.com resolves to 202.239.23.39 and dns02.muumuu-domain.com resolves to 160.251.249.62.

Mail Servers

Mail for itow.jp is routed through 7 mail servers, including aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 4 other.

At least some of the mail servers used by itow.jp are shared with other domains: viewmasters.be, ns500693.ns500734.ns500699.ns500693.ns500699.ns500734.ns500734.ns500588.ns500693.ns500683.ns500588.ns500632.ns500632.ns500110.dtrkdll.com, alicefong.com and two others among them.

These mail servers are often deployed together with aspmx.l.google.com, alt2.aspmx.l.google.com, alt1.aspmx.l.google.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx2.googlemail.com maps to two IP addresses — 108.177.123.27 and 2800:3f0:4003:c0f::1b.

aspmx3.googlemail.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1b.

aspmx4.googlemail.com maps to two IP addresses — 192.178.223.27 and 2a00:1450:4009:c0f::1a.

aspmx5.googlemail.com maps to two IP addresses — 172.253.157.26 and 2a00:1450:400c:c23::1a.

aspmx.l.google.com maps to two IP addresses — 142.251.16.26 and 2607:f8b0:4004:c19::1b.

alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1b.

These two host names — aspmx2.googlemail.com and alt1.aspmx.l.google.com — each point to 2800:3f0:4003:c0f::1b IP addresses.

These two host names — aspmx3.googlemail.com and alt2.aspmx.l.google.com — each point to 2a00:1450:400b:c02::1b IP addresses.