math.jp - robtex.com
math.jp
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1778626803 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSdonna.ns.cloudflare.com2026-05-12 → 2026-05-12 · 2 obs
● 2026-05-12 23:31:16
●NSsid.ns.cloudflare.com2026-05-12 → 2026-05-12 · 2 obs
● 2026-05-12 23:31:16
●MXsmtp.google.com2026-05-12 → 2026-05-12 · 2 obs
● 2026-05-12 23:31:16
●A76.76.21.212026-05-12 → 2026-05-12 · 2 obs
● 2026-05-12 23:31:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| math.jp | donna.ns.cloudflare.com, sid.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.143
NS records: donna.ns.cloudflare.com, sid.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for math.jp (unsigned zone)
⏱️ Timing
Total: 1089ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 76.76.21.21 |
| NS | 2 | donna.ns.cloudflare.com, sid.ns.cloudflare.com |
| MX | 1 | smtp.google.com (pri: 1) |
| TXT | 3 | google-site-verification=LCs7myo1102Y9PN, google-site-verification=Sr_kqtWHANFwCBQ... |
| SOA | 1 | donna.ns.cloudflare.com dns.cloudflare.c |
Analysis
IP Addresses
math.jp points to a single IP number: 76.76.21.21.
other host names for instance tonyleaheyford.com.au, viska.io, thenoplace.com, astrology-numerology.com and xlnbi.com share IP numbers with math.jp.
Name Servers
math.jp is delegated to two name servers: donna.ns.cloudflare.com and sid.ns.cloudflare.com.
math.jp shares the same name server setup as other domains, for example advancedboxingworkshop.com, expertboxing.fr, manyi.xyz, bcfarmandranch.com and aurainteriors.ca.
math.jp at least partially shares name servers with other domains, for instance campingworldofchattanooga.com, bianca-s.com, crocodile3.com, piman.com and taesan.biz.
These name servers are commonly used with moura.ns.cloudflare.com, nash.ns.cloudflare.com and jose.ns.cloudflare.com.
Host names with six IP numbers:
donna.ns.cloudflare.com points to: 2606:4700:50::adf5:3a97, 2803:f800:50::6ca2:c097, 2a06:98c1:50::ac40:2097, 108.162.192.151, 172.64.32.151 and 173.245.58.151; sid.ns.cloudflare.com points to: 2606:4700:58::adf5:3b8f, 2803:f800:50::6ca2:c18f, 2a06:98c1:50::ac40:218f, 108.162.193.143, 172.64.33.143 and 173.245.59.143.
Mail Servers
math.jp is handled by a single mail server, smtp.google.com.
math.jp shares the same mail server setup as other domains, for instance kren.kr, corpem.com.br, jojo.si, specialized-tax-service.com and performancepart.net.
math.jp shares mail servers with other domains at least partially, including hoy.group, memwg.com, columbiamed.org, filamentree.com and activets.com.
these mail servers are often used alongside aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
Host name smtp.google.com resolves to nine IP numbers: 2607:f8b0:4004:c0b::1a, 2607:f8b0:4004:c17::1a, 2607:f8b0:4004:c17::1b, 2607:f8b0:4004:c19::1b, 142.250.31.26, 142.251.16.26, 142.251.16.27, 142.251.111.26 and 192.178.155.26.