conceptmath.com - robtex.com
conceptmath.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.47.29.20🇸🇬 AS147188103.47.29.0/24 | ||||||
| PTR | server.conceptmath.com | ||||||
| NS | ns1.vodien.com ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:180aCloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.24.10Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.vodien.com | ||||||
| A | 2400:cb00:2049:1::a29f:1942Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.25.66Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns3.vodien.com | ||||||
| A | 2400:cb00:2049:1::a29f:180aCloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.24.10Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | conceptmath-com.mail.protection.outlook.com ⭐ | ||||||
| TXT | v=spf1 ip4:103.47.29.20 include:spf.protection.outlook.com -all | ||||||
| SOA | ns1.vodien.comhostmaster@vodien.com 2026-04-14 #0 | ||||||
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=1793972641 | ||||||
Previously MX for
conceptmath.com |
Subdomains
www.conceptmath.com |
Same first word
conceptmath.com.sg |
conceptmath.com |
conceptmath.org |
Similar names
mathconcept.ca |
mathconcept.com |
cottenhampc.org.uk |
mathconcept.uk |
mathconcept.com.mo |
mathconcept.com.hk |
mathconcept.co.uk |
mathconcept.workers.dev |
tontechcamp.com |
mathconcept.com.au |
Previous names
Next names
DNS History
11 records (5 active, 6 former)
●NSns1.vodien.com2016-01-14 → 2026-11-06 · 3 obs
● 2016-01-14 09:27:04
● 2026-11-06 13:49:28
●NSns2.vodien.com2016-01-14 → 2026-11-06 · 3 obs
● 2016-01-14 09:27:04
● 2026-11-06 13:49:28
○NSns2569.hostgator.com2015-06-11 → 2015-11-03 · 4 obs
● 2015-11-03 05:14:12
○ 2016-01-14 09:27:04
○ 2026-11-06 13:49:28
○NSns2570.hostgator.com2015-06-11 → 2015-11-03 · 4 obs
● 2015-11-03 05:14:12
○ 2016-01-14 09:27:04
○ 2026-11-06 13:49:28
●NSns3.vodien.com2016-01-14 → 2026-11-06 · 3 obs
● 2016-01-14 09:27:04
● 2026-11-06 13:49:28
○NSns6155.hostgator.com2015-06-11 → 2015-11-03 · 4 obs
● 2015-11-03 05:14:12
○ 2016-01-14 09:27:04
○ 2026-11-06 13:49:28
●MXconceptmath-com.mail.protection.outlook.com2026-08-21 → 2026-11-06 · 3 obs
● 2026-08-21 01:20:46
● 2026-11-06 13:49:28
○MXconceptmath.com2015-06-11 → 2017-06-21 · 4 obs
● 2017-06-21 01:45:52
○ 2026-08-21 01:20:46
○ 2026-11-06 13:49:28
●A103.47.29.202026-08-21 → 2026-11-06 · 3 obs
● 2026-08-21 01:20:46
● 2026-11-06 13:49:28
○A119.31.232.1302016-01-14 → 2017-06-21 · 5 obs
● 2016-01-14 09:27:04
● 2017-06-21 01:45:52
○ 2026-08-21 01:20:46
○ 2026-11-06 13:49:28
○A192.232.218.1422015-06-11 → 2015-11-03 · 4 obs
● 2015-11-03 05:14:12
○ 2016-01-14 09:27:04
○ 2026-11-06 13:49:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net... | - |
| conceptmath.com | ns1.vodien.com, ns2.vodien.com, ns3.vodien.com | 6 records |
✅ Authoritative Response
Server:162.159.24.10
NS records: ns1.vodien.com, ns2.vodien.com, ns3.vodien.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for conceptmath.com (unsigned zone)
⏱️ Timing
Total: 1128ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.47.29.20 |
| NS | 3 | ns3.vodien.com, ns1.vodien.com... |
| MX | 1 | conceptmath-com.mail.protection.outlook. |
| TXT | 1 | v=spf1 ip4:103.47.29.20 include:spf.prot |
| SOA | 1 | ns1.vodien.com hostmaster.vodien.com |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.vodien.com, ns1.vodien.com, ns2.vodien.com...)
Analysis
Hierarchy
The domain www.conceptmath.com falls under the parent conceptmath.com.
IP Addresses
conceptmath.com has exactly one IP address — 103.47.29.20.
Host names like conceptmath.com.sg are further examples that share IP numbers with conceptmath.com.
Name Servers
conceptmath.com carries NS records delegating to ns1.vodien.com, ns2.vodien.com and ns3.vodien.com.
At least some of conceptmath.com's name servers are shared with other domains, for example nimbusuav.com, mycatholic.sg, ioicentralboulevard.com.sg and two more.
Three hostnames with two IP addresses each: ns1.vodien.com directs to 162.159.24.10 and 2400:cb00:2049:1::a29f:180a; ns2.vodien.com directs to 162.159.25.66 and 2400:cb00:2049:1::a29f:1942; ns3.vodien.com directs to 162.159.24.10 and 2400:cb00:2049:1::a29f:180a. Notably, ns1.vodien.com and ns3.vodien.com share the same IP pair.
ns1.vodien.com along with ns3.vodien.com each resolve to 2400:cb00:2049:1::a29f:180a IP addresses.
ns1.vodien.com along with ns3.vodien.com each resolve to 162.159.24.10 IP addresses.
Mail Servers
conceptmath.com uses one mail server — conceptmath-com.mail.protection.outlook.com.