mathinfinity.com - dns.ninja
mathinfinity.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | mpmserver.mpmmath.com.tw ⭐ | ||||||
| A | 59.125.126.105🇹🇼 HiNet59.125.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | 59-125-126-105.hinet-ip.hinet.net | ||||||
| NS | dns3.doubleplusenglish.com ⚠️ Not in zone NS records | ||||||
| A | 59.125.126.99🇹🇼 HiNet59.125.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | 59-125-126-99.hinet-ip.hinet.net | ||||||
| NS | dns4.doubleplusenglish.com ⚠️ Not in zone NS records | ||||||
| A | 59.125.126.99🇹🇼 HiNet59.125.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | 59-125-126-99.hinet-ip.hinet.net | ||||||
| NS | nt.mpmmath.com.tw ⚠️ Not in parent delegation | ||||||
| MX | mail.mathinfinity.com ⭐ | ||||||
| A | 59.125.163.212🇹🇼 HiNet59.125.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | 59-125-163-212.hinet-ip.hinet.net | ||||||
| SOA | mpmserver.mpmmath.com.twroot@mpmmath.com.tw 2009-09-24 #7 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786349734 | ||||||
Subdomains
mail.mathinfinity.com |
Same first word
mathinfinity.com |
mathinfinity.net.ru |
DNS History
5 records (5 active, 0 former)
●NSdns3.doubleplusenglish.com2026-03-06 → 2026-08-10 · 3 obs
● 2026-03-06 14:14:46
● 2026-08-10 08:23:04
●NSdns4.doubleplusenglish.com2026-03-06 → 2026-08-10 · 3 obs
● 2026-03-06 14:14:46
● 2026-08-10 08:23:04
●NSmpmserver.mpmmath.com.tw2015-05-13 → 2026-08-10 · 2 obs
● 2026-08-10 08:23:04
●NSnt.mpmmath.com.tw2015-05-13 → 2026-08-10 · 2 obs
● 2026-08-10 08:23:04
●MXmail.mathinfinity.com2015-05-13 → 2026-08-10 · 2 obs
● 2026-08-10 08:23:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net... | - |
| mathinfinity.com | dns3.doubleplusenglish.com, dns4.doubleplusenglish.com | 2 records |
✅ Authoritative Response
Server:59.125.126.99
NS records: dns3.doubleplusenglish.com, dns4.doubleplusenglish.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathinfinity.com (unsigned zone)
⏱️ Timing
Total: 759ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 1 | nt.mpmmath.com.tw |
| MX | 1 | mail.mathinfinity.com (pri: 10) |
| SOA | 1 | mpmserver.mpmmath.com.tw root.mpmmath.co |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns3.doubleplusenglish.com, dns4.doubleplusenglish.com)
Analysis
Hierarchy
mail.mathinfinity.com is delegated beneath mathinfinity.com.
Name Servers
The authoritative name servers for mathinfinity.com are dns3.doubleplusenglish.com, dns4.doubleplusenglish.com, mpmserver.mpmmath.com.tw and nt.mpmmath.com.tw.
mathinfinity.com has name servers in common with a number of other domains — mi-pmi.com, mi-kmi.com, 21mi.com and doubleplusenglish.com among them.
The name servers dns1.doubleplusenglish.com, dns2.21mi.com and dns.21mi.com are often found in combination with these name servers.
Each of the three hostnames — dns3.doubleplusenglish.com, dns4.doubleplusenglish.com and mpmserver.mpmmath.com.tw — has a single IP address. dns3.doubleplusenglish.com and dns4.doubleplusenglish.com resolve to 59.125.126.99; mpmserver.mpmmath.com.tw resolves to 59.125.126.105.
The host names dns3.doubleplusenglish.com and dns4.doubleplusenglish.com both resolve to 59.125.126.99 IP addresses.
Mail Servers
Mail for mathinfinity.com is handled by a single mail server, mail.mathinfinity.com.
mail.mathinfinity.com points to one IP number — 59.125.163.212.