it-assist.jp - robtex.com
it-assist.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 160.16.74.103🇯🇵 SAKURA-B160.16.0.0/17 SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | tk2-213-16099.vs.sakura.ne.jp | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| A | 210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | master.dns.ne.jp | ||||||
| NS | ns1.dns.ne.jp | ||||||
| A | 61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| A | 133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | ns2.dns.ne.jp | ||||||
| MX | it-assist.jp ⭐ | ||||||
| A | 160.16.74.103🇯🇵 SAKURA-B160.16.0.0/17 SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | tk2-213-16099.vs.sakura.ne.jp | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2018-05-10 #17 | ||||||
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=1778539502 | ||||||
MX for
it-assist.jp |
Subdomains
www.it-assist.jp |
Same first word
Similar names
assist-it.de |
assist-it.nl |
assist-it.ru |
assist-it.com |
assist-it.co.jp |
assist-ti.com |
assist-it.com.au |
assist-it.jp |
isis-stat.dk |
assist-it.net |
assist-it.info |
isi-stats.com |
DNS History
8 records (5 active, 3 former)
●NSmaster.dns.ne.jp2020-02-02 → 2026-05-11 · 3 obs
● 2020-02-02 21:07:50
● 2026-05-11 23:10:04
●NSns1.dns.ne.jp2020-02-02 → 2026-05-11 · 3 obs
● 2020-02-02 21:07:50
● 2026-05-11 23:10:04
○NSns1.value-domain.com2015-07-20 → 2016-07-01 · 4 obs
● 2016-07-01 12:35:20
○ 2017-02-18 03:35:26
○ 2026-05-11 23:10:04
●NSns2.dns.ne.jp2020-02-02 → 2026-05-11 · 3 obs
● 2020-02-02 21:07:50
● 2026-05-11 23:10:04
○NSns2.value-domain.com2015-07-20 → 2016-07-01 · 4 obs
● 2016-07-01 12:35:20
○ 2017-02-18 03:35:26
○ 2026-05-11 23:10:04
●MXit-assist.jp2015-07-20 → 2026-05-11 · 5 obs
● 2016-07-01 12:35:20
○ 2017-02-18 03:35:26
● 2020-02-02 21:07:50
● 2026-05-11 23:10:04
●A160.16.74.1032020-02-02 → 2026-05-11 · 3 obs
● 2020-02-02 21:07:50
● 2026-05-11 23:10:04
○A202.172.28.1852015-07-20 → 2016-07-01 · 4 obs
● 2016-07-01 12:35:20
○ 2017-02-18 03:35:26
○ 2026-05-11 23:10:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| it-assist.jp | ns1.dns.ne.jp, ns2.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:61.211.236.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for it-assist.jp (unsigned zone)
⏱️ Timing
Total: 2741ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 160.16.74.103 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | it-assist.jp (pri: 10) |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)
Analysis
Hierarchy
it-assist.jp is the parent of www.it-assist.jp.
Mail Server Role
it-assist.jp serves as the mail server for it-assist.jp.
IP Addresses
it-assist.jp resolves to a single IP address: 160.16.74.103.
Other host names, for instance tk2-213-16099.vs.sakura.ne.jp, share IP numbers with it-assist.jp.
Name Servers
it-assist.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
it-assist.jp at least partially shares name servers with other domains, including nisystem.jp, hrd-cs.co.jp, rubbish.sakura.ne.jp, bar-stardust.com and kinoca.co.jp.
These name servers are often used together with dns.sakura.ad.jp.
Hostnames with a single IP:
master.dns.ne.jp points to: 210.224.172.18.
ns1.dns.ne.jp points to: 61.211.236.1.
ns2.dns.ne.jp points to: 133.167.21.1.
Mail Servers
A single mail server handles it-assist.jp.
it-assist.jp points to a single IP: 160.16.74.103.