coremaths.com - dns.ninja
coremaths.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 162.241.22.11🇺🇸 ORACLE-OCI-31898162.241.22.0/23 Google | ||||||
| PTR | just5100.justhost.com | ||||||
| NS | ns1.justhost.com ⭐ | ||||||
| A | 162.159.24.49Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.justhost.com | ||||||
| NS | ns2.justhost.com | ||||||
| A | 162.159.25.241Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.justhost.com | ||||||
| MX | mail.coremaths.com ⭐ | ||||||
| A | 162.241.22.11🇺🇸 ORACLE-OCI-31898162.241.22.0/23 Google | ||||||
| PTR | just5100.justhost.com | ||||||
| MX | coremaths.com(10) | ||||||
| A | 162.241.22.11🇺🇸 ORACLE-OCI-31898162.241.22.0/23 Google | ||||||
| PTR | just5100.justhost.com | ||||||
| TXT | v=spf1 a mx ptr include:justhost.com ?all | ||||||
| SOA | ns1.justhost.comroot@just5100.justhost.com 2026-01-26 #0 | ||||||
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=1783997657 | ||||||
MX for
coremaths.com |
Subdomains
mail.coremaths.com |
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSns1.justhost.com2015-06-02 → 2026-07-14 · 2 obs
● 2026-07-14 03:16:22
●NSns2.justhost.com2015-06-02 → 2026-07-14 · 2 obs
● 2026-07-14 03:16:22
●MXcoremaths.com2017-02-07 → 2026-07-14 · 3 obs
● 2017-02-07 01:49:52
● 2026-07-14 03:16:22
●MXmail.coremaths.com2015-06-02 → 2026-07-14 · 5 obs
● 2016-05-04 03:17:44
○ 2017-02-07 01:49:52
● 2019-03-10 23:54:06
● 2026-07-14 03:16:22
●A162.241.22.112026-02-18 → 2026-07-14 · 3 obs
● 2026-02-18 05:47:34
● 2026-07-14 03:16:22
○A173.254.28.502015-06-02 → 2019-03-10 · 4 obs
● 2019-03-10 23:54:06
○ 2026-02-18 05:47:34
○ 2026-07-14 03:16:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net... | - |
| coremaths.com | ns1.justhost.com, ns2.justhost.com | 2 records |
✅ Authoritative Response
Server:162.159.25.241
NS records: ns1.justhost.com, ns2.justhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coremaths.com (unsigned zone)
⏱️ Timing
Total: 454ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.241.22.11 |
| NS | 2 | ns1.justhost.com, ns2.justhost.com |
| MX | 2 | coremaths.com (pri: 10), mail.coremaths.com (pri: 0) |
| TXT | 1 | v=spf1 a mx ptr include:justhost.com ?al |
| SOA | 1 | ns1.justhost.com root.just5100.justhost. |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.justhost.com, ns2.justhost.com)
Analysis
Hierarchy
mail.coremaths.com is a subdomain of coremaths.com.
Mail Server Role
coremaths.com handles its own mail, functioning as its own mail server.
As mail servers, mail.coremaths.com and coremaths.com are regularly found together.
IP Addresses
coremaths.com resolves to just one IP address, 162.241.22.11.
Two other host names, along with eworldfairservers.com, rogerscontracting.org and mail.kaf2u.com, also share IP numbers with coremaths.com.
Name Servers
coremaths.com uses two name servers for its delegation: ns1.justhost.com and ns2.justhost.com.
coremaths.com shares its NS records with other domains, for example engiserv-ve.com, idc.com.mx, alacrita.com and two others.
The name servers of coremaths.com overlap at least partially with those of other domains — among them bonkersbeat.tv, ifixcomp.us, telsa.com.au and two more.
The name servers ns1.pipedns.com, ns2.pipedns.com and ns3.pipedns.com are commonly seen alongside these name servers.
Both ns1.justhost.com and ns2.justhost.com have a single IP address each — ns1.justhost.com resolves to 162.159.24.49 while ns2.justhost.com resolves to 162.159.25.241.
Mail Servers
The domain coremaths.com has two mail servers: coremaths.com and mail.coremaths.com.
coremaths.com resolves to 162.241.22.11; mail.coremaths.com resolves to the same IP address, 162.241.22.11.
Both coremaths.com and mail.coremaths.com resolve to 162.241.22.11 IP addresses each.