atwork-j.com - robtex.com
atwork-j.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:e42:107:2015:163:43:87:204🇯🇵 SAKURA-B2001:e40::/30 SAKURA Internet Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka 530-0011, JAPAN | ||||||
| PTR | www3964.sakura.ne.jp | ||||||
| A | 163.43.87.204🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| 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 | atwork-j.com ⭐ | ||||||
| A | 2001:e42:107:2015:163:43:87:204🇯🇵 SAKURA-B2001:e40::/30 SAKURA Internet Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka 530-0011, JAPAN | ||||||
| PTR | www3964.sakura.ne.jp | ||||||
| A | 163.43.87.204🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | www3964.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www3964.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-04-10 #19 | ||||||
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=1776296042 | ||||||
MX for
atwork-j.com |
Subdomains
www.atwork-j.com |
Same first word
atwork-j.com |
DNS History
9 records (6 active, 3 former)
●NSmaster.dns.ne.jp2026-03-08 → 2026-04-15 · 3 obs
● 2026-03-08 13:06:38
● 2026-04-15 23:39:00
●NSns1.dns.ne.jp2026-03-08 → 2026-04-15 · 3 obs
● 2026-03-08 13:06:38
● 2026-04-15 23:39:00
○NSns1.value-domain.com2015-06-28 → 2017-08-07 · 4 obs
● 2017-08-07 10:42:22
○ 2026-03-08 13:06:38
○ 2026-04-15 23:39:00
●NSns2.dns.ne.jp2026-03-08 → 2026-04-15 · 3 obs
● 2026-03-08 13:06:38
● 2026-04-15 23:39:00
○NSns2.value-domain.com2015-06-28 → 2017-08-07 · 4 obs
● 2017-08-07 10:42:22
○ 2026-03-08 13:06:38
○ 2026-04-15 23:39:00
●MXatwork-j.com2015-06-28 → 2026-04-15 · 2 obs
● 2026-04-15 23:39:00
●A163.43.87.2042026-03-08 → 2026-04-15 · 3 obs
● 2026-03-08 13:06:38
● 2026-04-15 23:39:00
●A2001:e42:107:2015:163:43:87:2042026-03-08 → 2026-04-15 · 3 obs
● 2026-03-08 13:06:38
● 2026-04-15 23:39:00
○A202.172.26.302015-06-28 → 2017-08-07 · 4 obs
● 2017-08-07 10:42:22
○ 2026-03-08 13:06:38
○ 2026-04-15 23:39:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net... | - |
| atwork-j.com | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for atwork-j.com (unsigned zone)
⏱️ Timing
Total: 947ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 163.43.87.204 |
| AAAA | 1 | 2001:e42:107:2015:163:43:87:204 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | atwork-j.com (pri: 10) |
| TXT | 1 | v=spf1 a:www3964.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Hierarchy
atwork-j.com is the parent of www.atwork-j.com.
Mail Server Role
atwork-j.com serves as the mail server for atwork-j.com.
IP Addresses
atwork-j.com points to two IPs: 2001:e42:107:2015:163:43:87:204 and 163.43.87.204.
Other host names including www.h-t-c.co.jp, daisukemukai.com, xn--28jzb6c108t3q5d.com, b-mag.net and localdesign.co.jp share IP numbers with atwork-j.com.
Name Servers
atwork-j.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
atwork-j.com at least partially shares name servers with other domains, including fh-u.com, biceps.co.jp, gaku-m.com, k-kuniyoshi.sakura.ne.jp and tascue.com.
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 atwork-j.com.
atwork-j.com points to two IPs: 2001:e42:107:2015:163:43:87:204 and 163.43.87.204.