nullstring.jp - robtex.com
nullstring.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=1787886903 | ||||||
Same first word
nullstring.jp |
nullstring.net |
nullstring.com |
nullstring.de |
Previous names
Next names
DNS History
12 records (8 active, 4 former)
●NSgdns1.interlink.or.jp2026-08-25 → 2026-08-28 · 3 obs
● 2026-08-25 12:21:58
● 2026-08-28 04:24:54
●NSgdns2.interlink.or.jp2026-08-25 → 2026-08-28 · 3 obs
● 2026-08-25 12:21:58
● 2026-08-28 04:24:54
○NSns1.star-domain.jp2015-07-14 → 2020-01-23 · 4 obs
● 2020-01-23 02:16:02
○ 2026-08-25 12:21:58
○ 2026-08-28 04:24:54
○NSns2.star-domain.jp2015-07-14 → 2020-01-23 · 4 obs
● 2020-01-23 02:16:02
○ 2026-08-25 12:21:58
○ 2026-08-28 04:24:54
○NSns3.star-domain.jp2015-07-14 → 2020-01-23 · 4 obs
● 2020-01-23 02:16:02
○ 2026-08-25 12:21:58
○ 2026-08-28 04:24:54
●MXalt1.aspmx.l.google.com2015-07-14 → 2026-08-28 · 2 obs
● 2026-08-28 04:24:54
●MXalt2.aspmx.l.google.com2015-07-14 → 2026-08-28 · 2 obs
● 2026-08-28 04:24:54
●MXalt3.aspmx.l.google.com2015-07-14 → 2026-08-28 · 2 obs
● 2026-08-28 04:24:54
●MXalt4.aspmx.l.google.com2015-07-14 → 2026-08-28 · 2 obs
● 2026-08-28 04:24:54
●MXaspmx.l.google.com2015-07-14 → 2026-08-28 · 2 obs
● 2026-08-28 04:24:54
○A138.91.16.182015-07-14 → 2017-02-13 · 4 obs
● 2017-02-13 00:35:20
○ 2020-01-23 02:16:02
○ 2026-08-28 04:24:54
●A157.112.187.82020-01-23 → 2026-08-28 · 3 obs
● 2020-01-23 02:16:02
● 2026-08-28 04:24:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | h.dns.jp, a.dns.jp, f.dns.jp, c.dns.jp... | - |
| nullstring.jp | gdns2.interlink.or.jp, gdns1.interlink.or.jp | - |
✅ Authoritative Response
Server:163.43.158.165
NS records: gdns2.interlink.or.jp, gdns1.interlink.or.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nullstring.jp (unsigned zone)
⏱️ Timing
Total: 1768ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.112.187.8 |
| NS | 2 | gdns1.interlink.or.jp, gdns2.interlink.or.jp |
| MX | 5 | alt4.aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 1 | v=spf1 include:_spf.google.com ~all |
| SOA | 1 | gdns1.interlink.or.jp root.gdns1.interli |
Analysis
IP Addresses
nullstring.jp has exactly one IP address — 157.112.187.8.
healingsalon-vega.com, housingmate.com, masatfx.com plus two other host names have IP numbers in common with nullstring.jp.
Name Servers
The NS records for nullstring.jp delegate to gdns1.interlink.or.jp and gdns2.interlink.or.jp.
The name server configuration of nullstring.jp is shared with other domains, for instance cosmo-c.com, jpn-ks.co.jp, bizlogic.co.jp and two others.
There is at least partial name server overlap between nullstring.jp and other domains — web1.jp, tinyworld.ne.jp, elm.co.jp and two more among them.
These name servers frequently co-occur with the name servers vdns1.interlink.or.jp and vdns2.interlink.or.jp.
gdns1.interlink.or.jp → 203.141.128.80 and gdns2.interlink.or.jp → 163.43.158.165: one IP number per host name.
Mail Servers
nullstring.jp has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
At least some of the mail servers used by nullstring.jp are shared with other domains: fooddemocracynow.org, refersanz.com, patgrayacademy.net and two others among them.
These mail servers often appear in conjunction with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.
Host names pointing to two IP addresses:
The A records for aspmx.l.google.com return 172.253.62.26 and 2607:f8b0:4004:c23::1a.
The A records for alt1.aspmx.l.google.com return 192.178.234.26 and 2800:3f0:4003:c14::1a.
The A records for alt2.aspmx.l.google.com return 172.253.116.27 and 2a00:1450:400b:c02::1b.
The A records for alt3.aspmx.l.google.com return 192.178.223.26 and 2a00:1450:4009:c0f::1a.
The A records for alt4.aspmx.l.google.com return 172.253.157.27 and 2a00:1450:400c:c23::1a.