mathshell.org - robtex.com
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=1778674081 | ||||||
rank #49762 in the tld
Subdomains
hostmaster.mathshell.org |
map.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
○ 2026-05-13 12:33:32
●NSns13.domaincontrol.com2026-02-22 → 2026-05-13 · 3 obs
● 2026-02-22 08:40:14
● 2026-05-13 12:33:32
●NSns14.domaincontrol.com2026-02-22 → 2026-05-13 · 3 obs
● 2026-02-22 08:40:14
● 2026-05-13 12:33:32
○NSns2.hosteurope.com2015-05-22 → 2016-09-17 · 4 obs
● 2016-09-17 13:59:58
○ 2026-02-22 08:40:14
○ 2026-05-13 12:33:32
○MXmail.mathshell.org2015-05-22 → 2016-09-17 · 4 obs
● 2016-09-17 13:59:58
○ 2026-02-22 08:40:14
○ 2026-05-13 12:33:32
●MXmailstore1.secureserver.net2026-02-22 → 2026-05-13 · 3 obs
● 2026-02-22 08:40:14
● 2026-05-13 12:33:32
●MXsmtp.secureserver.net2026-02-22 → 2026-05-13 · 3 obs
● 2026-02-22 08:40:14
● 2026-05-13 12:33:32
●A213.168.249.1362026-02-22 → 2026-05-13 · 3 obs
● 2026-02-22 08:40:14
● 2026-05-13 12:33:32
○A217.8.252.1422015-05-22 → 2016-09-17 · 4 obs
● 2016-09-17 13:59:58
○ 2026-02-22 08:40:14
○ 2026-05-13 12:33:32
🔍 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 | ns13.domaincontrol.com, ns14.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.74.7
NS records: ns13.domaincontrol.com, ns14.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathshell.org (unsigned zone)
⏱️ Timing
Total: 1155ms | 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
mathshell.org is parent of hostmaster.mathshell.org and map.mathshell.org.
IP Addresses
mathshell.org points to a single IP number: 213.168.249.136.
other host names for instance li1088-136.members.linode.com, mail.balancedassessment.org, toolkitforchange.org, hostmaster.mathshell.org and balancedassessment.org share IP numbers with mathshell.org.
Name Servers
mathshell.org is delegated to two name servers: ns13.domaincontrol.com and ns14.domaincontrol.com.
mathshell.org shares the same name server setup as other domains, for example arlexa.com, terpenemagic.com, howardhan.com, openenterprize.com and airceuticals.com.
mathshell.org at least partially shares its name servers with other domains, for instance nahtasalt.com.
Host names with two IP numbers:
ns13.domaincontrol.com points to 2603:5:21a0::7 and 97.74.106.7
ns14.domaincontrol.com points to 2603:5:22a0::7 and 173.201.74.7
Mail Servers
mathshell.org is handled by two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.
mathshell.org shares the same mail server setup as other domains, for instance tikal-em.com, chromediva.net, internschina.com, asiacity138.com and vinito.it.
mathshell.org shares some mail servers with other domains, at least partially, for instance studiomq.com and therebelchick.com.
Host names with three IP numbers:
mailstore1.secureserver.net points to: 216.69.141.78, 216.69.141.114 and 216.69.141.162.
smtp.secureserver.net points to: 216.69.141.71, 216.69.141.84 and 216.69.141.113.