zero.jp - dns.ninja
zero.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 104.18.40.140Cloudflare104.18.40.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.147.116🇺🇸 Cloudflare172.64.147.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.cf.gmointernet.jp ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:a82🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.10.130Cloudflare162.159.10.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.cf.gmointernet.jp | ||||||
| A | 2400:cb00:2049:1::a29f:bad🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.11.173Cloudflare162.159.11.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | mx.gmo.jp ⭐ | ||||||
| A | 211.125.69.235🇯🇵 GMO-INTERNET211.125.64.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | mx.gmo.jp | ||||||
| TXT | _dmarc v=DMARC1; p=none; | ||||||
| TXT | spf2.0/pra include:_spf.gmo.jp ~all | ||||||
| TXT | v=spf1 ip4:210.157.5.0/24 include:_spf.gmo.jp include:_spf.maildeliver.jp inc... | ||||||
| SOA | ns1.cf.gmointernet.jpdns@cloudflare.com serial=2395668577 | ||||||
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=1782297002 | ||||||
rank #3803 in the tld
WOT: SAFE (62/100)
📈 Tranco rank: #406,318
Subdomains
smtp2072.zero.jp |
black.zero.jp |
smtp.zero.jp |
webmail.zero.jp |
smtp02.zero.jp |
silver.zero.jp |
smtp1016.zero.jp |
smtp09.zero.jp |
smtp1018.zero.jp |
smtp2065.zero.jp |
navi.zero.jp |
smtp1013.zero.jp |
smtp2031.zero.jp |
green.zero.jp |
test-navi.zero.jp |
smtp08.zero.jp |
smtp03.zero.jp |
pink.zero.jp |
gold.zero.jp |
smtp20611.zero.jp |
smtp2041.zero.jp |
cgi.zero.jp |
blue.zero.jp |
white.zero.jp |
www.zero.jp |
smtp04.zero.jp |
smtp1019.zero.jp |
red.zero.jp |
dns01.zero.jp |
smtp01.zero.jp |
test-mx.zero.jp |
ftp.zero.jp |
smtp2042.zero.jp |
mx.zero.jp |
dns02.zero.jp |
smtp2081.zero.jp |
smtp1014.zero.jp |
file.zero.jp |
pop.zero.jp |
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSns1.cf.gmointernet.jp2026-02-15 → 2026-06-24 · 3 obs
● 2026-02-15 16:34:28
● 2026-06-24 10:46:12
○NSns1.gmointernet.com2015-09-03 → 2021-05-18 · 4 obs
● 2021-05-18 02:14:10
○ 2026-02-15 16:34:28
○ 2026-06-24 10:46:12
○NSns1.gmointernet.jp2015-09-03 → 2021-05-18 · 4 obs
● 2021-05-18 02:14:10
○ 2026-02-15 16:34:28
○ 2026-06-24 10:46:12
●NSns2.cf.gmointernet.jp2026-02-15 → 2026-06-24 · 3 obs
● 2026-02-15 16:34:28
● 2026-06-24 10:46:12
●A104.18.40.1402026-02-15 → 2026-06-24 · 3 obs
● 2026-02-15 16:34:28
● 2026-06-24 10:46:12
●A172.64.147.1162026-02-15 → 2026-06-24 · 3 obs
● 2026-02-15 16:34:28
● 2026-06-24 10:46:12
○A210.157.5.112015-09-03 → 2021-05-18 · 4 obs
● 2021-05-18 02:14:10
○ 2026-02-15 16:34:28
○ 2026-06-24 10:46:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| zero.jp | ns1.cf.gmointernet.jp, ns2.cf.gmointernet.jp | - |
✅ Authoritative Response
Server:162.159.10.130
NS records: ns1.cf.gmointernet.jp, ns2.cf.gmointernet.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zero.jp (unsigned zone)
⏱️ Timing
Total: 1021ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.18.40.140, 172.64.147.116 |
| NS | 2 | ns1.cf.gmointernet.jp, ns2.cf.gmointernet.jp |
| MX | 1 | mx.gmo.jp (pri: 10) |
| TXT | 3 | _dmarc v=DMARC1; p=none;, spf2.0/pra include:_spf.gmo.jp ~all... |
| SOA | 1 | ns1.cf.gmointernet.jp dns.cloudflare.com |
Analysis
Hierarchy
Among the subdomains of zero.jp are smtp2072.zero.jp, black.zero.jp, smtp.zero.jp, webmail.zero.jp, smtp02.zero.jp and a few other host names.
IP Addresses
zero.jp has two IP addresses: 104.18.40.140 and 172.64.147.116
elibrary.utb.de.cdn.cloudflare.net, mhsc-mainst.com, www.utb.de.cdn.cloudflare.net plus two other host names have IP numbers in common with zero.jp.
Name Servers
zero.jp is served by two delegated name servers, ns1.cf.gmointernet.jp and ns2.cf.gmointernet.jp.
The name server configuration of zero.jp is shared with other domains, for instance japanregistry.com, grepo.biz, gmobb.jp and two others.
There is at least partial name server overlap between zero.jp and other domains — cf.gmointernet.jp, ko-hyo-ka.com, f-station.tools and two more among them.
These name servers frequently co-occur with the name servers moura.ns.cloudflare.com and tara.ns.cloudflare.com.
Each of the two host names carries two IP addresses: ns1.cf.gmointernet.jp points to 162.159.10.130 and 2400:cb00:2049:1::a29f:a82, and ns2.cf.gmointernet.jp points to 162.159.11.173 and 2400:cb00:2049:1::a29f:bad.
Mail Servers
zero.jp uses one mail server — mx.gmo.jp.
The mail server setup of zero.jp matches that of other domains such as discount-domain.com, gmo-registry.org, gmoregistry.jp and two others.
Some mail servers of zero.jp are also used by other domains, notably interq.ne.jp and borghese.co.jp.
There is one IP number for mx.gmo.jp: 211.125.69.235.