ken-theory.org - robtex.com
ken-theory.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 160.251.148.47🇯🇵 GMOOSK-NET160.251.148.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | www1017.onamae.ne.jp | ||||||
| NS | ns-rs1.gmoserver.jp ⭐ | ||||||
| A | 157.7.32.87🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | ns-rs1.gmoserver.jp | ||||||
| NS | ns-rs2.gmoserver.jp | ||||||
| A | 157.7.33.87🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | ns-rs2.gmoserver.jp | ||||||
| MX | mail1005.onamae.ne.jp ⭐ | ||||||
| A | 160.251.148.43🇯🇵 GMOOSK-NET160.251.148.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | mail1005.onamae.ne.jp | ||||||
| TXT | v=spf1 include:_spf.onamae.ne.jp ~all | ||||||
| SOA | ns-rs1.gmoserver.jphostmaster@gmoserver.jp serial=1753077010 | ||||||
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=1778371651 | ||||||
Same first word
ken-theory.org |
DNS History
4 records (4 active, 0 former)
●NSns-rs1.gmoserver.jp2026-04-02 → 2026-05-10 · 2 obs
● 2026-05-10 00:16:36
●NSns-rs2.gmoserver.jp2026-04-02 → 2026-05-10 · 2 obs
● 2026-05-10 00:16:36
●MXmail1005.onamae.ne.jp2026-04-02 → 2026-05-10 · 2 obs
● 2026-05-10 00:16:36
●A160.251.148.472026-04-02 → 2026-05-10 · 2 obs
● 2026-05-10 00:16:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| ken-theory.org | ns-rs1.gmoserver.jp, ns-rs2.gmoserver.jp | - |
✅ Authoritative Response
Server:157.7.33.87
NS records: ns-rs1.gmoserver.jp, ns-rs2.gmoserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ken-theory.org (unsigned zone)
⏱️ Timing
Total: 1511ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 160.251.148.47 |
| NS | 2 | ns-rs1.gmoserver.jp, ns-rs2.gmoserver.jp |
| MX | 1 | mail1005.onamae.ne.jp (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.onamae.ne.jp ~all |
| SOA | 1 | ns-rs1.gmoserver.jp hostmaster.gmoserver |
Analysis
IP Addresses
ken-theory.org points to an IP address: 160.251.148.47.
other host names include kai-group.net, lhp.jp, www1017.onamae.ne.jp, m-noen.jp and mmms.jp; they share IP numbers with ken-theory.org.
Name Servers
Two name servers ns-rs1.gmoserver.jp and ns-rs2.gmoserver.jp handle the delegation for ken-theory.org.
ken-theory.org shares the same name server setup as other domains, for instance mtr-campaign.com, daku.co.jp, nowfield.net, takaemichiko.com and virtualokinawa.jp.
Host names with one IP:
ns-rs1.gmoserver.jp points to: 157.7.32.87
ns-rs2.gmoserver.jp points to: 157.7.33.87
Mail Servers
ken-theory.org is handled by a single mail server, mail1005.onamae.ne.jp.
ken-theory.org uses the same mail server setup as other domains, for instance knsv.org, treu.group, dands.jp, satonaka.biz and cbmb.jp.
ken-theory.org shares some mail servers with other domains, for example visit-abashiri.jp, iac-c.com and furusato-work.jp.
The host name mail1005.onamae.ne.jp points to IP 160.251.148.43.