itow.jp - robtex.com
itow.jp
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1784938502 | ||||||
NS for
itow.jp |
Same first word
Similar names
DNS History
11 records (11 active, 0 former)
●NSdns01.muumuu-domain.com2015-08-20 → 2026-07-25 · 2 obs
● 2026-07-25 00:50:32
●NSdns02.muumuu-domain.com2015-08-20 → 2026-07-25 · 2 obs
● 2026-07-25 00:50:32
●NSitow.jp2015-08-20 → 2026-07-25 · 2 obs
● 2026-07-25 00:50:32
●MXalt1.aspmx.l.google.com2015-08-20 → 2026-07-25 · 2 obs
● 2026-07-25 00:50:32
●MXalt2.aspmx.l.google.com2015-08-20 → 2026-07-25 · 2 obs
● 2026-07-25 00:50:32
●MXaspmx.l.google.com2015-08-20 → 2026-07-25 · 2 obs
● 2026-07-25 00:50:32
●MXaspmx2.googlemail.com2015-08-20 → 2026-07-25 · 2 obs
● 2026-07-25 00:50:32
●MXaspmx3.googlemail.com2015-08-20 → 2026-07-25 · 2 obs
● 2026-07-25 00:50:32
●MXaspmx4.googlemail.com2015-08-20 → 2026-07-25 · 2 obs
● 2026-07-25 00:50:32
●MXaspmx5.googlemail.com2015-08-20 → 2026-07-25 · 2 obs
● 2026-07-25 00:50:32
●A216.239.32.212015-08-20 → 2026-07-25 · 2 obs
● 2026-07-25 00:50:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| itow.jp | dns01.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
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.239.32.21 |
| NS | 2 | dns02.muumuu-domain.com, dns01.muumuu-domain.com |
| MX | 7 | ALT1.ASPMX.L.GOOGLE.COM (pri: 20), ASPMX4.GOOGLEMAIL.COM (pri: 30)... |
| TXT | 2 | google-site-verification=OOeJn69LBclY6Ml, v=spf1 include:_spf.google.com ~all |
| SOA | 1 | itow.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.