web-system.org - robtex.com
web-system.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.242.215.158🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | 158.215.242.133.static.www6030m.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 | jp1-aspmx1.worksmobile.com ⭐ | ||||||
| A | 110.234.239.93🇯🇵 nhn-AS-KR110.234.236.0/22 NAVER business platform | ||||||
| PTR | jrcvmail.worksmobile.com | ||||||
| MX | jp1-aspmx2.worksmobile.com(20) | ||||||
| A | 110.234.239.93🇯🇵 nhn-AS-KR110.234.236.0/22 NAVER business platform | ||||||
| PTR | jrcvmail.worksmobile.com | ||||||
| TXT | v=spf1 include:spf.worksmobile.com ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2018-08-29 #1 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1774774095 | ||||||
Same first word
web-system.biz |
web-system.com |
web-system.de |
web-system.xyz |
web-system.jp |
web-system.ru |
web-system.dk |
web-system.hk |
web-system.it |
web-system.me |
web-system.pl |
web-system.net |
web-system.org |
Similar names
system-web.jp |
sys-temweb.com |
system-web.pl |
system-web.net |
system-web.it |
system-web.co.jp |
system-web.com |
system-web.de |
DNS History
8 records (6 active, 2 former)
○MXc8.coreserver.jp2015-05-29 → 2017-11-08 · 4 obs
● 2017-11-08 12:03:18
○ 2026-03-28 11:43:56
○ 2026-03-29 09:05:14
●MXjp1-aspmx1.worksmobile.com2026-03-28 → 2026-03-29 · 3 obs
● 2026-03-28 11:43:56
● 2026-03-29 09:05:14
●MXjp1-aspmx2.worksmobile.com2026-03-28 → 2026-03-29 · 3 obs
● 2026-03-28 11:43:56
● 2026-03-29 09:05:14
●A133.242.215.1582026-03-28 → 2026-03-29 · 3 obs
● 2026-03-28 11:43:56
● 2026-03-29 09:05:14
○A202.172.25.1092015-05-29 → 2017-11-08 · 4 obs
● 2017-11-08 12:03:18
○ 2026-03-28 11:43:56
○ 2026-03-29 09:05:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| web-system.org | ns2.dns.ne.jp, ns1.dns.ne.jp | - |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns2.dns.ne.jp, ns1.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for web-system.org (unsigned zone)
⏱️ Timing
Total: 1219ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.242.215.158 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 2 | jp1-aspmx1.worksmobile.com (pri: 10), jp1-aspmx2.worksmobile.com (pri: 20) |
| TXT | 1 | v=spf1 include:spf.worksmobile.com ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
IP Addresses
web-system.org points to a single IP: 133.242.215.158.
Other host names, for example mail.e-tokan.com, 158.215.242.133.static.www6030m.sakura.ne.jp, mail.risecity.jp and createway-xeon.sakura.ne.jp share IP numbers with web-system.org.
Name Servers
web-system.org is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
web-system.org partially shares name servers with other domains; examples include sagals.sakura.ne.jp, chukogamekaitori.com, kensetsu-matsui.com, keygateway.jp and kotona.bona.jp.
Host names with one IP number:
Host master.dns.ne.jp points to 210.224.172.18.
Host ns1.dns.ne.jp points to 61.211.236.1.
Host ns2.dns.ne.jp points to 133.167.21.1.
Mail Servers
web-system.org is handled by two mail servers: jp1-aspmx1.worksmobile.com and jp1-aspmx2.worksmobile.com.
web-system.org has the same mail server setup as other domains, including delfin.co.jp, suehiroan.co.jp, koizumi-tax.com, azest.biz and kuruto.net.
web-system.org shares some mail servers with other domains, at least partially, such as cit-pf.info, mitano-okinawa.com, secioss.com, c3web.jp and iepika.net.
These mail servers are often used with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and with-us.in.tmems-jp.trendmicro.com.
Host names with one IP number
Host name jp1-aspmx1.worksmobile.com points to 110.234.239.93
Host name jp1-aspmx2.worksmobile.com points to 110.234.239.93
Host names that point to 110.234.239.93: jp1-aspmx1.worksmobile.com and jp1-aspmx2.worksmobile.com