nullmx.mathproblemsolved.com - dns.ninja
nullmx.mathproblemsolved.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 192.252.156.251🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA | ||||||
| PTR | s501.sureserver.com | ||||||
mathproblemsolved.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 192.252.156.251🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA | ||||||
| NS | ns1.s501.sureserver.com ⭐ | ||||||
| NS | ns2.s501.sureserver.com | ||||||
| MX | mail.mathproblemsolved.com ⭐ | ||||||
| TXT | v=spf1 a mx include:s501.smtp-spf.sureserver.com ~all | ||||||
| SOA | ns1.s501.sureserver.comhostmaster@mathproblemsolved.com serial=1788255816 | ||||||
Previously MX for
Same first word
Similar names
Previous names
Next names
DNS History
4 records (1 active, 3 former)
○A192.252.146.332026-02-23 → 2026-03-12 · 5 obs
○ 2016-04-28 17:42:38
● 2026-02-23 09:41:08
● 2026-03-12 09:55:54
○ 2026-04-05 04:38:20
○ 2026-09-01 10:42:16
● 2026-02-23 09:41:08
● 2026-03-12 09:55:54
○ 2026-04-05 04:38:20
○ 2026-09-01 10:42:16
○A192.252.148.2442015-06-09 → 2016-01-18 · 4 obs
● 2015-06-09 19:16:26
● 2016-01-18 22:27:26
○ 2016-04-28 17:42:38
○ 2026-09-01 10:42:16
● 2016-01-18 22:27:26
○ 2016-04-28 17:42:38
○ 2026-09-01 10:42:16
●A192.252.156.2512026-04-05 → 2026-09-01 · 3 obs
○ 2026-03-12 09:55:54
● 2026-04-05 04:38:20
● 2026-09-01 10:42:16
● 2026-04-05 04:38:20
● 2026-09-01 10:42:16
○A64.14.78.452016-04-28 → 2016-04-28 · 4 obs
○ 2016-01-18 22:27:26
● 2016-04-28 17:42:38
○ 2026-02-23 09:41:08
○ 2026-09-01 10:42:16
● 2016-04-28 17:42:38
○ 2026-02-23 09:41:08
○ 2026-09-01 10:42:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net... | - |
| mathproblemsolved.com | ns1.s501.sureserver.com, ns2.s501.sureserver.com | 2 records |
✅ Authoritative Response
Server:192.252.157.251
NS records: ns1.s501.sureserver.com, ns2.s501.sureserver.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathproblemsolved.com (unsigned zone)
⏱️ Timing
Total: 184ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.252.156.251 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.s501.sureserver.com, ns2.s501.sureserver.com)
Analysis
IP Addresses
nullmx.mathproblemsolved.com resolves to just one IP address, 192.252.156.251.
Two other host names, along with tmswebinfo.com, mail.elitemanagementandrealty.com and twobeerdudes.com, also share IP numbers with nullmx.mathproblemsolved.com.