mathtech.biz - robtex.com
mathtech.biz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 150.95.219.213🇯🇵 GMO-INTERNET150.95.219.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | www63.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 | mail17.onamae.ne.jp ⭐ | ||||||
| A | 150.95.219.144🇯🇵 GMO-INTERNET150.95.219.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | mail17.onamae.ne.jp | ||||||
| TXT | v=spf1 include:_spf.onamae.ne.jp ~all | ||||||
| TXT | MS=ms57387256 | ||||||
| SOA | ns-rs1.gmoserver.jphostmaster@mathtech.biz 2020-12-22 #10 | ||||||
biz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld.biz ⭐ | ||||||
| NS | b.gtld.biz | ||||||
| NS | c.gtld.biz | ||||||
| NS | m.gtld.biz | ||||||
| NS | n.gtld.biz | ||||||
| NS | w.gtld.biz | ||||||
| NS | x.gtld.biz | ||||||
| NS | y.gtld.biz | ||||||
| SOA | a.gtld.bizadmin@tldns.godaddy serial=1774475801 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns-rs1.gmoserver.jp2026-03-09 → 2026-03-25 · 2 obs
● 2026-03-25 22:04:38
●NSns-rs2.gmoserver.jp2026-03-09 → 2026-03-25 · 2 obs
● 2026-03-25 22:04:38
●MXmail17.onamae.ne.jp2026-03-09 → 2026-03-25 · 2 obs
● 2026-03-25 22:04:38
●A150.95.219.2132026-03-09 → 2026-03-25 · 2 obs
● 2026-03-25 22:04:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| biz | b.gtld.biz, m.gtld.biz, y.gtld.biz, w.gtld.biz... | - |
| mathtech.biz | 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 mathtech.biz (unsigned zone)
⏱️ Timing
Total: 920ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 150.95.219.213 |
| NS | 2 | ns-rs1.gmoserver.jp, ns-rs2.gmoserver.jp |
| MX | 1 | mail17.onamae.ne.jp (pri: 10) |
| TXT | 2 | v=spf1 include:_spf.onamae.ne.jp ~all, MS=ms57387256 |
| SOA | 1 | ns-rs1.gmoserver.jp hostmaster.mathtech. |
Analysis
IP Addresses
mathtech.biz points to a single IP address: 150.95.219.213.
Other host names such as s-n.jp, plus-ins.co.jp, gsrp.net, www.chosei.net and www.maforum.jp share IP numbers with mathtech.biz.
Name Servers
mathtech.biz is delegated to two name servers: ns-rs1.gmoserver.jp and ns-rs2.gmoserver.jp.
mathtech.biz uses the same name server setup as other domains, including hdit.co.jp, for-a.info, atelierbell.com, kimagurekobo.com and j-rock.co.jp.
mathtech.biz shares some name servers with other domains, for example bscc.co.jp.
Hostnames with a single IP
ns-rs1.gmoserver.jp resolves to: 157.7.32.87.
ns-rs2.gmoserver.jp resolves to: 157.7.33.87.
Mail Servers
The mail server for mathtech.biz is mail17.onamae.ne.jp.
mathtech.biz uses the same mail server setup as other domains, for instance ensya.net, tw-el.com, git6.com, 999tsukumo.com and inxia-technology.com.
mathtech.biz shares some mail servers with other domains at least partially, for example kaku-butsu.com, triple-a.tokyo and ivaa.net.
These mail servers are commonly used alongside aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
Host mail17.onamae.ne.jp points to IP 150.95.219.144.