ethnomath.org - robtex.com
ethnomath.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2403:3a00:101:21:49:212:235:80🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www3370.sakura.ne.jp | ||||||
| A | 49.212.235.80🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, 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 | ethnomath.org ⭐ | ||||||
| A | 2403:3a00:101:21:49:212:235:80🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | www3370.sakura.ne.jp | ||||||
| A | 49.212.235.80🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3370.sakura.ne.jp | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2014-01-09 #3 | ||||||
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=1774412597 | ||||||
MX for
ethnomath.org |
Same first word
ethnomath.org |
Similar names
DNS History
6 records (6 active, 0 former)
●MXethnomath.org2015-04-30 → 2026-03-25 · 2 obs
● 2026-03-25 04:30:56
●A2403:3a00:101:21:49:212:235:802015-04-30 → 2026-03-25 · 2 obs
● 2026-03-25 04:30:56
●A49.212.235.802015-04-30 → 2026-03-25 · 2 obs
● 2026-03-25 04:30:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| ethnomath.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 ethnomath.org (unsigned zone)
⏱️ Timing
Total: 1253ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.235.80 |
| AAAA | 1 | 2403:3a00:101:21:49:212:235:80 |
| NS | 2 | ns2.dns.ne.jp, ns1.dns.ne.jp |
| MX | 1 | ethnomath.org (pri: 10) |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
ethnomath.org serves as a mail server for ethnomath.org.
IP Addresses
ethnomath.org resolves to two IP numbers: 2403:3a00:101:21:49:212:235:80 and 49.212.235.80.
Other host names, for instance science-k.net, www3370.sakura.ne.jp, www.builpo.jp, s-live.org and cp-entry.sakura.ne.jp share IP numbers with ethnomath.org.
Name Servers
ethnomath.org is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
ethnomath.org partially shares name servers with other domains; examples include t-maria.com, moraydns.net, trainsim.jp, cajiva.sakura.ne.jp and 2.3.2.0.4.9.0.0.9.1.2.0.1.0.1.1.2.0.2.0.0.0.a.3.3.0.4.2.ip6.arpa.
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
ethnomath.org is handled by a single mail server, ethnomath.org.
Host ethnomath.org resolves to two IPs: 2403:3a00:101:21:49:212:235:80 and 49.212.235.80.