polymath101.com - robtex.com
polymath101.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 206.168.149.18🇺🇸 FIBERSTATE-AS26042206.168.149.0/24 RackNerd LLC | ||||||
| PTR | fiber18-r.iaasdns.com | ||||||
| NS | ns3.iaasdns.com ⭐ | ||||||
| A | 206.168.149.18🇺🇸 FIBERSTATE-AS26042206.168.149.0/24 RackNerd LLC | ||||||
| PTR | fiber18-r.iaasdns.com | ||||||
| NS | ns4.iaasdns.com | ||||||
| A | 206.168.149.19🇺🇸 FIBERSTATE-AS26042206.168.149.0/24 RackNerd LLC | ||||||
| MX | polymath101.com ⭐ | ||||||
| A | 206.168.149.18🇺🇸 FIBERSTATE-AS26042206.168.149.0/24 RackNerd LLC | ||||||
| PTR | fiber18-r.iaasdns.com | ||||||
| TXT | v=spf1 +a +mx +ip4:206.168.149.18 include:relay.mailbaby.net ~all | ||||||
| SOA | ns3.iaasdns.comroot@fiber18-r.iaasdns.com 2026-05-11 #5 | ||||||
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=1778701381 | ||||||
MX for
polymath101.com |
Same first word
polymath101.com |
DNS History
17 records (4 active, 13 former)
●NSns3.iaasdns.com2026-03-28 → 2026-05-13 · 3 obs
● 2026-03-28 23:15:22
● 2026-05-13 19:50:36
○NSns31.domaincontrol.com2017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-05-13 19:50:36
○NSns32.domaincontrol.com2017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-05-13 19:50:36
●NSns4.iaasdns.com2026-03-28 → 2026-05-13 · 3 obs
● 2026-03-28 23:15:22
● 2026-05-13 19:50:36
○MXmailstore1.secureserver.net2017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-05-13 19:50:36
●MXpolymath101.com2026-05-09 → 2026-05-13 · 3 obs
● 2026-05-09 09:49:56
● 2026-05-13 19:50:36
○MXsmtp.secureserver.net2017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-05-13 19:50:36
○A184.168.221.172017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-05-13 19:50:36
○A184.168.221.52017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-05-13 19:50:36
○A184.168.221.72017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-05-13 19:50:36
●A206.168.149.182026-05-09 → 2026-05-13 · 3 obs
● 2026-05-09 09:49:56
● 2026-05-13 19:50:36
○A50.63.202.152017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-05-13 19:50:36
○A50.63.202.202017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-05-13 19:50:36
○A50.63.202.262017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-05-13 19:50:36
○A50.63.202.272017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-05-13 19:50:36
○A50.63.202.292017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-05-13 19:50:36
○A50.63.202.42017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-05-13 19:50:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net... | - |
| polymath101.com | ns4.iaasdns.com, ns3.iaasdns.com | 2 records |
✅ Authoritative Response
Server:206.168.149.19
NS records: ns4.iaasdns.com, ns3.iaasdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for polymath101.com (unsigned zone)
⏱️ Timing
Total: 370ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 206.168.149.18 |
| NS | 2 | ns4.iaasdns.com, ns3.iaasdns.com |
| MX | 1 | polymath101.com (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:206.168.149.18 includ |
| SOA | 1 | ns3.iaasdns.com root.fiber18-r.iaasdns.c |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns4.iaasdns.com, ns3.iaasdns.com)
Analysis
Mail Server Role
For polymath101.com, the mail server is polymath101.com.
IP Addresses
polymath101.com resolves to one IP number: 206.168.149.18.
other host names including wh25.com, daxue.us, vytocorwebsolutions.com, kb8kgu.com and friendsofshiva.com share IP numbers with polymath101.com.
Name Servers
polymath101.com is delegated to two name servers ns3.iaasdns.com and ns4.iaasdns.com.
polymath101.com shares the same name server setup as other domains, for instance cannabiscookbook.com, cinric.net, sarra-tr.com, assetwebhosting.com and rogalfilters.com.
polymath101.com at least partially shares name servers with other domains, for instance wholevitality.com, almacendelibros.com, abdullahandhussain.com, agentedepaz.com and triowebsoft.com.
These name servers are commonly used with ns3.interkambio.com, ns4.interkambio.com, ns1.serveronsky.com, ns2.serveronsky.com and ns1.rhubix.com.
Host names with one IP number:
ns3.iaasdns.com points to 206.168.149.18
ns4.iaasdns.com points to 206.168.149.19
Mail Servers
polymath101.com is served by a single mail server, polymath101.com.
polymath101.com resolves to IP 206.168.149.18.