polymath101.com - dns.ninja
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 2026-07-12 #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=1785342907 | ||||||
MX for
polymath101.com |
Same first word
polymath101.com |
DNS History
17 records (4 active, 13 former)
●NSns3.iaasdns.com2026-03-28 → 2026-07-29 · 3 obs
● 2026-03-28 23:15:22
● 2026-07-29 17:04:32
○NSns31.domaincontrol.com2017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-07-29 17:04:32
○NSns32.domaincontrol.com2017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-07-29 17:04:32
●NSns4.iaasdns.com2026-03-28 → 2026-07-29 · 3 obs
● 2026-03-28 23:15:22
● 2026-07-29 17:04:32
○MXmailstore1.secureserver.net2017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-07-29 17:04:32
●MXpolymath101.com2026-05-09 → 2026-07-29 · 3 obs
● 2026-05-09 09:49:56
● 2026-07-29 17:04:32
○MXsmtp.secureserver.net2017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-07-29 17:04:32
○A184.168.221.172017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-07-29 17:04:32
○A184.168.221.52017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-07-29 17:04:32
○A184.168.221.72017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-07-29 17:04:32
●A206.168.149.182026-05-09 → 2026-07-29 · 3 obs
● 2026-05-09 09:49:56
● 2026-07-29 17:04:32
○A50.63.202.152017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-07-29 17:04:32
○A50.63.202.202017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-07-29 17:04:32
○A50.63.202.262017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-07-29 17:04:32
○A50.63.202.272017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-07-29 17:04:32
○A50.63.202.292017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-07-29 17:04:32
○A50.63.202.42017-05-09 → 2017-05-09 · 3 obs
○ 2026-03-28 23:15:22
○ 2026-07-29 17:04:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net... | - |
| polymath101.com | ns4.iaasdns.com, ns3.iaasdns.com | 2 records |
✅ Authoritative Response
Server:206.168.149.18
NS records: ns4.iaasdns.com, ns3.iaasdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for polymath101.com (unsigned zone)
⏱️ Timing
Total: 5124ms | 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
polymath101.com serves as a mail server for polymath101.com.
IP Addresses
polymath101.com has exactly one IP address — 206.168.149.18.
wh25.com, letitfly.me, daxue.us plus two other host names have IP numbers in common with polymath101.com.
Name Servers
polymath101.com has two authoritative name servers — ns3.iaasdns.com and ns4.iaasdns.com.
The name server configuration of polymath101.com is shared with other domains, for instance cannabiscookbook.com, cinric.net, sarra-tr.com and two others.
polymath101.com has at least partial name server overlap with other domains, such as wholevitality.com, almacendelibros.com, agentedepaz.com and two others.
It is common to find these name servers paired with the name servers ns3.interkambio.com, ns4.interkambio.com, ns1.rhubix.com and ns2.rhubix.com.
ns3.iaasdns.com directs to 206.168.149.18 and ns4.iaasdns.com directs to 206.168.149.19; each host name points to exactly one IP number.
Mail Servers
polymath101.com uses exactly one mail server, which is polymath101.com.
polymath101.com points to one IP number — 206.168.149.18.