devisemath.com - robtex.com
devisemath.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 54.144.38.219🇺🇸 Amazon54.144.0.0/14 EC2 IAD NAT prefix | ||||||
| PTR | ec2-54-144-38-219.compute-1.amazonaws.com | ||||||
| NS | a.misconfigured.dns.server.invalid ⭐ | ||||||
| NS | ndns1.cosmotown.com | ||||||
| A | 184.72.57.6🇺🇸 Amazon184.72.0.0/18 SFO prefix | ||||||
| PTR | ec2-184-72-57-6.us-west-1.compute.amazonaws.com | ||||||
| NS | ndns2.cosmotown.com | ||||||
| A | 54.177.47.228🇺🇸 Amazon54.176.0.0/15 EC2 SFO prefix | ||||||
| PTR | ec2-54-177-47-228.us-west-1.compute.amazonaws.com | ||||||
| SOA | a.misconfigured.dns.server.invalidhostmaster@devisemath.com 2026-02-11 #2 | ||||||
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=1776205752 | ||||||
Subdomains
www.devisemath.com |
Same first word
devisemath.com |
Similar names
DNS History
9 records (4 active, 5 former)
●NSa.misconfigured.dns.server.invalid2026-03-15 → 2026-04-14 · 3 obs
● 2026-03-15 18:48:32
● 2026-04-14 22:42:30
●NSndns1.cosmotown.com2026-03-15 → 2026-04-14 · 3 obs
● 2026-03-15 18:48:32
● 2026-04-14 22:42:30
●NSndns2.cosmotown.com2026-03-15 → 2026-04-14 · 3 obs
● 2026-03-15 18:48:32
● 2026-04-14 22:42:30
○NSns75.domaincontrol.com2017-11-25 → 2017-11-25 · 3 obs
○ 2026-03-15 18:48:32
○ 2026-04-14 22:42:30
○NSns76.domaincontrol.com2017-11-25 → 2017-11-25 · 3 obs
○ 2026-03-15 18:48:32
○ 2026-04-14 22:42:30
○MXmailstore1.asia.secureserver.net2017-11-25 → 2017-11-25 · 3 obs
○ 2026-03-15 18:48:32
○ 2026-04-14 22:42:30
○MXsmtp.asia.secureserver.net2017-11-25 → 2017-11-25 · 3 obs
○ 2026-03-15 18:48:32
○ 2026-04-14 22:42:30
○A160.153.138.742017-11-25 → 2017-11-25 · 3 obs
○ 2026-03-15 18:48:32
○ 2026-04-14 22:42:30
●A54.144.38.2192026-03-15 → 2026-04-14 · 3 obs
● 2026-03-15 18:48:32
● 2026-04-14 22:42:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| devisemath.com | ndns1.cosmotown.com, ndns2.cosmotown.com | 2 records |
✅ Authoritative Response
Server:54.177.47.228
NS records: ndns1.cosmotown.com, ndns2.cosmotown.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for devisemath.com (unsigned zone)
⏱️ Timing
Total: 223ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 54.144.38.219 |
| NS | 2 | ndns2.cosmotown.com, ndns1.cosmotown.com |
| SOA | 1 | a.misconfigured.dns.server.invalid hostm |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ndns1.cosmotown.com, ndns2.cosmotown.com)
Analysis
Hierarchy
devisemath.com is the parent of www.devisemath.com.
IP Addresses
devisemath.com points to IP number 54.144.38.219.
For instance, other host names northhillsbaptist.com, vitece.com, georgewalkerconstruction.com, yixing.bookmarkjet.com and net.stroitelnabrigada.com share IP numbers with devisemath.com.
Name Servers
The delegation for devisemath.com is handled by three name servers: ndns1.cosmotown.com, ndns2.cosmotown.com and a.misconfigured.dns.server.invalid.
devisemath.com shares name servers with other domains at least partially, for example pcfast.be, trawa-dnepr.com, 100.187.81.in-addr.arpa, 120.10.103.in-addr.arpa and sos-al.net.
these name servers are commonly used together with the name servers ns1.domeeninimi.ee, ns2.domeeninimi.ee, ns1.vigbo.site, ns2.vigbo.site, ns1.cbsv.jp, ns2.cbsv.jp, ns10.dropcatch.ai and ns11.dropcatch.ai.
Host names with one IP number:
ndns1.cosmotown.com points to: 184.72.57.6.
ndns2.cosmotown.com points to: 54.177.47.228.