mathshell.org - dns.ninja
mathshell.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=1786305953 | ||||||
rank #52420 in the tld
Subdomains
hostmaster.mathshell.org |
map.mathshell.org |
mail.mathshell.org |
Same first word
mathshell.org |
Similar names
DNS History
9 records (5 active, 4 former)
○NSns.hosteurope.com2015-05-22 → 2016-09-17 · 4 obs
● 2016-09-17 13:59:58
○ 2026-02-22 08:40:14
○ 2026-08-09 20:18:56
●NSns13.domaincontrol.com2026-02-22 → 2026-08-09 · 3 obs
● 2026-02-22 08:40:14
● 2026-08-09 20:18:56
●NSns14.domaincontrol.com2026-02-22 → 2026-08-09 · 3 obs
● 2026-02-22 08:40:14
● 2026-08-09 20:18:56
○NSns2.hosteurope.com2015-05-22 → 2016-09-17 · 4 obs
● 2016-09-17 13:59:58
○ 2026-02-22 08:40:14
○ 2026-08-09 20:18:56
○MXmail.mathshell.org2015-05-22 → 2016-09-17 · 4 obs
● 2016-09-17 13:59:58
○ 2026-02-22 08:40:14
○ 2026-08-09 20:18:56
●MXmailstore1.secureserver.net2026-02-22 → 2026-08-09 · 3 obs
● 2026-02-22 08:40:14
● 2026-08-09 20:18:56
●MXsmtp.secureserver.net2026-02-22 → 2026-08-09 · 3 obs
● 2026-02-22 08:40:14
● 2026-08-09 20:18:56
●A213.168.249.1362026-02-22 → 2026-08-09 · 3 obs
● 2026-02-22 08:40:14
● 2026-08-09 20:18:56
○A217.8.252.1422015-05-22 → 2016-09-17 · 4 obs
● 2016-09-17 13:59:58
○ 2026-02-22 08:40:14
○ 2026-08-09 20:18:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| mathshell.org | ns14.domaincontrol.com, ns13.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.106.7
NS records: ns14.domaincontrol.com, ns13.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathshell.org (unsigned zone)
⏱️ Timing
Total: 357ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.168.249.136 |
| NS | 2 | ns13.domaincontrol.com, ns14.domaincontrol.com |
| MX | 2 | smtp.secureserver.net (pri: 0), mailstore1.secureserver.net (pri: 10) |
| TXT | 2 | D6847176, v=spf1 include:secureserver.net -all |
| SOA | 1 | ns13.domaincontrol.com dns.jomax.net |
Analysis
Hierarchy
The domain mathshell.org is parent to hostmaster.mathshell.org, map.mathshell.org and mail.mathshell.org.
IP Addresses
mathshell.org directs to one IP number, which is 213.168.249.136.
Among the host names that share IP numbers with mathshell.org are li1088-136.members.linode.com, mail.mathshell.org, mail.balancedassessment.org and two others.
Name Servers
mathshell.org has two authoritative name servers — ns13.domaincontrol.com and ns14.domaincontrol.com.
mathshell.org has the same name server delegation as a number of other domains, such as lanchong.org, zaiven.com, arlexa.com and two more.
The name servers for mathshell.org overlap at least partially with those of other domains — for example nahtasalt.com.
Both ns13.domaincontrol.com and ns14.domaincontrol.com have two IP addresses each. ns13.domaincontrol.com resolves to 97.74.106.7 and 2603:5:21a0::7; ns14.domaincontrol.com resolves to 173.201.74.7 and 2603:5:22a0::7.
Mail Servers
The MX records for mathshell.org point to two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.
mathshell.org has the same mail server arrangement as a number of other domains, for example tikal-em.com, chromediva.net, internschina.com and two more.
At least a portion of mathshell.org's mail servers are shared with other domains, among them studiomq.com and therebelchick.com.
The hosts mailstore1.secureserver.net and smtp.secureserver.net both resolve to three IP numbers: mailstore1.secureserver.net to 216.69.141.78, 216.69.141.114 and 216.69.141.162, and smtp.secureserver.net to 216.69.141.71, 216.69.141.84 and 216.69.141.113.