www.workup.jp - robtex.com
www.workup.jp
| CNAME | workup.jp | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.243.83🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3573.sakura.ne.jp | ||||||
| NS | workup.jp ⭐ | ||||||
| A | 49.212.243.83🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3573.sakura.ne.jp | ||||||
| NS | dns01.muumuu-domain.com | ||||||
| A | 202.239.23.39🇯🇵 IDC202.239.23.0/24 Frontier Inc. | ||||||
| NS | dns02.muumuu-domain.com | ||||||
| A | 160.251.249.62🇯🇵 GMOOSK-NET160.251.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| MX | workup.jp ⭐ | ||||||
| A | 49.212.243.83🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3573.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www3573.sakura.ne.jp mx include:_spf1.ocnk.net include:mdmalta.maild... | ||||||
| SOA | workup.jppostmaster@workup.jp serial=1690362757 | ||||||
workup.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.243.83🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| NS | workup.jp ⭐ | ||||||
| NS | dns01.muumuu-domain.com | ||||||
| NS | dns02.muumuu-domain.com | ||||||
| MX | workup.jp ⭐ | ||||||
| TXT | v=spf1 a:www3573.sakura.ne.jp mx include:_spf1.ocnk.net include:mdmalta.maild... | ||||||
| SOA | workup.jppostmaster@workup.jp serial=1690362757 | ||||||
Same first word
Similar names
DNS History
6 records (1 active, 5 former)
○NSmaster.dns.ne.jp2016-12-28 → 2016-12-28 · 3 obs
○ 2018-12-26 14:06:28
○ 2026-05-09 10:09:56
○NSns1.dns.ne.jp2016-12-28 → 2016-12-28 · 3 obs
○ 2018-12-26 14:06:28
○ 2026-05-09 10:09:56
○NSns2.dns.ne.jp2016-12-28 → 2016-12-28 · 3 obs
○ 2018-12-26 14:06:28
○ 2026-05-09 10:09:56
○MXworkup.jp2016-12-28 → 2016-12-28 · 3 obs
○ 2018-12-26 14:06:28
○ 2026-05-09 10:09:56
○A49.212.243.832016-12-28 → 2016-12-28 · 3 obs
○ 2018-12-26 14:06:28
○ 2026-05-09 10:09:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | c.dns.jp, e.dns.jp, b.dns.jp, a.dns.jp... | - |
| workup.jp | dns02.muumuu-domain.com, dns01.muumuu-domain.com | - |
✅ Authoritative Response
Server:202.239.23.39
NS records: dns02.muumuu-domain.com, dns01.muumuu-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for workup.jp (unsigned zone)
⏱️ Timing
Total: 1213ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | workup.jp |
Analysis
IP Addresses
www.workup.jp resolves to a single IP address: 49.212.243.83.
Other host names including suiden.com, dhcs.konaka.jp, mail.ikz.jp, mail.clausporto.jp and matsu-haku.com share IP numbers with www.workup.jp.
Name Servers
www.workup.jp is delegated to three name servers: workup.jp, dns01.muumuu-domain.com and dns02.muumuu-domain.com.
www.workup.jp at least partially shares name servers with other domains, including kimari.jp, nuji.net, mi-holidays.com, gl-i.info and sayutarot.com.
Hostnames with a single IP:
workup.jp points to: 49.212.243.83.
dns01.muumuu-domain.com points to: 202.239.23.39.
dns02.muumuu-domain.com points to: 160.251.249.62.
Mail Servers
www.workup.jp is handled by a single mail server, workup.jp.
www.workup.jp uses the same mail server setup as other domains, such as workup.jp.