officechiba.com - robtex.com
officechiba.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 219.94.192.31🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1621.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 | officechiba.com ⭐ | ||||||
| A | 219.94.192.31🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1621.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www1621.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2017-10-15 #24 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786605894 | ||||||
MX for
officechiba.com |
Same first word
officechiba.com |
Similar names
DNS History
9 records (5 active, 4 former)
●NSmaster.dns.ne.jp2018-09-01 → 2026-08-13 · 3 obs
● 2018-09-01 00:19:18
● 2026-08-13 07:52:50
●NSns1.dns.ne.jp2018-09-01 → 2026-08-13 · 3 obs
● 2018-09-01 00:19:18
● 2026-08-13 07:52:50
○NSns1.onamae.com2015-06-25 → 2016-07-06 · 4 obs
● 2016-07-06 09:12:54
○ 2018-09-01 00:19:18
○ 2026-08-13 07:52:50
●NSns2.dns.ne.jp2018-09-01 → 2026-08-13 · 3 obs
● 2018-09-01 00:19:18
● 2026-08-13 07:52:50
○NSns2.onamae.com2015-06-25 → 2016-07-06 · 4 obs
● 2016-07-06 09:12:54
○ 2018-09-01 00:19:18
○ 2026-08-13 07:52:50
○MXmx.officechiba.com2015-06-25 → 2016-07-06 · 4 obs
● 2016-07-06 09:12:54
○ 2018-09-01 00:19:18
○ 2026-08-13 07:52:50
●MXofficechiba.com2018-09-01 → 2026-08-13 · 3 obs
● 2018-09-01 00:19:18
● 2026-08-13 07:52:50
○A211.13.204.462015-06-25 → 2016-07-06 · 4 obs
● 2016-07-06 09:12:54
○ 2018-09-01 00:19:18
○ 2026-08-13 07:52:50
●A219.94.192.312018-09-01 → 2026-08-13 · 3 obs
● 2018-09-01 00:19:18
● 2026-08-13 07:52:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net... | - |
| officechiba.com | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ 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 officechiba.com (unsigned zone)
⏱️ Timing
Total: 1018ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 219.94.192.31 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | officechiba.com (pri: 10) |
| TXT | 1 | v=spf1 a:www1621.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
The MX record for officechiba.com points back to officechiba.com — it is its own mail server.
IP Addresses
officechiba.com directs to one IP number, which is 219.94.192.31.
Among the host names that share IP numbers with officechiba.com are fukukita-ganka.com, jcna.info, ytlab.jp and two others.
Name Servers
officechiba.com is served by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
officechiba.com has at least partial name server overlap with other domains, such as hcnet.sakura.ne.jp, puzzle.watype.net, toshis.net and two others.
It is common to find these name servers paired with the name servers dns.sakura.ad.jp.
master.dns.ne.jp has IP address 210.224.172.18, ns1.dns.ne.jp has IP address 61.211.236.1 and ns2.dns.ne.jp has IP address 133.167.21.1 — one address each.
Mail Servers
The MX record for officechiba.com points to a single mail server: officechiba.com.
officechiba.com resolves to 219.94.192.31 and no other IP number.