mathcon.org - dns.ninja
mathcon.org
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=1786531066 | ||||||
Subdomains
portal.mathcon.org |
Same first word
Similar names
DNS History
14 records (11 active, 3 former)
●NSns43.domaincontrol.com2015-08-18 → 2026-08-12 · 2 obs
● 2026-08-12 10:49:18
●NSns44.domaincontrol.com2015-08-18 → 2026-08-12 · 2 obs
● 2026-08-12 10:49:18
●MXalt1.aspmx.l.google.com2015-12-10 → 2026-08-12 · 3 obs
● 2015-12-10 08:29:12
● 2026-08-12 10:49:18
●MXalt2.aspmx.l.google.com2015-12-10 → 2026-08-12 · 3 obs
● 2015-12-10 08:29:12
● 2026-08-12 10:49:18
●MXaspmx.l.google.com2015-12-10 → 2026-08-12 · 3 obs
● 2015-12-10 08:29:12
● 2026-08-12 10:49:18
●MXaspmx2.googlemail.com2015-12-10 → 2026-08-12 · 3 obs
● 2015-12-10 08:29:12
● 2026-08-12 10:49:18
●MXaspmx3.googlemail.com2015-12-10 → 2026-08-12 · 3 obs
● 2015-12-10 08:29:12
● 2026-08-12 10:49:18
○MXmailstore1.secureserver.net2015-08-18 → 2015-08-18 · 3 obs
○ 2015-12-10 08:29:12
○ 2026-08-12 10:49:18
○MXsmtp.secureserver.net2015-08-18 → 2015-08-18 · 3 obs
○ 2015-12-10 08:29:12
○ 2026-08-12 10:49:18
●A104.16.158.1332026-06-28 → 2026-08-12 · 3 obs
● 2026-06-28 19:37:22
● 2026-08-12 10:49:18
●A104.16.159.1332026-06-28 → 2026-08-12 · 3 obs
● 2026-06-28 19:37:22
● 2026-08-12 10:49:18
●A104.18.189.2332026-06-28 → 2026-08-12 · 3 obs
● 2026-06-28 19:37:22
● 2026-08-12 10:49:18
●A104.18.190.2332026-06-28 → 2026-08-12 · 3 obs
● 2026-06-28 19:37:22
● 2026-08-12 10:49:18
○A199.244.88.1822015-08-18 → 2017-06-21 · 4 obs
● 2017-06-21 16:57:52
○ 2026-06-28 19:37:22
○ 2026-08-12 10:49:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| mathcon.org | ns43.domaincontrol.com, ns44.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.69.22
NS records: ns43.domaincontrol.com, ns44.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathcon.org (unsigned zone)
⏱️ Timing
Total: 482ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 104.16.159.133, 104.16.158.133... |
| NS | 2 | ns43.domaincontrol.com, ns44.domaincontrol.com |
| MX | 5 | alt1.aspmx.l.google.com (pri: 20), alt2.aspmx.l.google.com (pri: 30)... |
| TXT | 7 | v=spf1 include:_spf.google.com ~all, v=spf1 include:amazonses.com ~all... |
| SOA | 1 | ns43.domaincontrol.com dns.jomax.net |
Analysis
Hierarchy
mathcon.org is the parent zone for portal.mathcon.org.
IP Addresses
mathcon.org has four IP addresses: 104.16.158.133, 104.16.159.133, 104.18.189.233 and 104.18.190.233.
southpike.org, founderslewisville.com, pioneeracademy307.org plus two other host names have IP numbers in common with mathcon.org.
Name Servers
mathcon.org has two authoritative name servers — ns43.domaincontrol.com and ns44.domaincontrol.com.
The name server configuration of mathcon.org is shared with other domains, for instance eatchelo.com, jhid.net, oriele.com and two others.
Both ns43.domaincontrol.com and ns44.domaincontrol.com have two IP addresses each. ns43.domaincontrol.com resolves to 97.74.101.22 and 2603:5:2152::16; ns44.domaincontrol.com resolves to 173.201.69.22 and 2603:5:2252::16.
Mail Servers
Mail for mathcon.org is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
At least some of the mail servers used by mathcon.org are shared with other domains: louismarie.be, satmultimedia.ro, bxsportsny.com and two others among them.
These mail servers are often deployed together with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other mail servers.
Host names pointing to two IP addresses:
aspmx2.googlemail.com resolves to 192.178.234.26 and 2800:3f0:4003:c14::1a.
aspmx3.googlemail.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1b.
aspmx.l.google.com resolves to 64.233.180.26 and 2607:f8b0:4004:c1d::1b.
alt1.aspmx.l.google.com resolves to 192.178.234.26 and 2800:3f0:4003:c14::1a.
alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1b.
The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 2800:3f0:4003:c14::1a IP addresses.
The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 192.178.234.26 IP addresses.
The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 2a00:1450:400b:c02::1b IP addresses.