polymath.us - dns.ninja
polymath.us
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1785706716 | ||||||
Same first word
Similar names
DNS History
14 records (10 active, 4 former)
●NSns-cloud-c1.googledomains.com2026-03-15 → 2026-08-02 · 3 obs
● 2026-03-15 17:47:16
● 2026-08-02 22:06:40
●NSns-cloud-c2.googledomains.com2026-03-15 → 2026-08-02 · 3 obs
● 2026-03-15 17:47:16
● 2026-08-02 22:06:40
●NSns-cloud-c3.googledomains.com2026-03-15 → 2026-08-02 · 3 obs
● 2026-03-15 17:47:16
● 2026-08-02 22:06:40
●NSns-cloud-c4.googledomains.com2026-03-15 → 2026-08-02 · 3 obs
● 2026-03-15 17:47:16
● 2026-08-02 22:06:40
○NSns5.softcomca.com2015-07-12 → 2017-08-19 · 4 obs
● 2017-08-19 11:14:46
○ 2026-03-15 17:47:16
○ 2026-08-02 22:06:40
○NSns6.softcomca.com2015-07-12 → 2017-08-19 · 4 obs
● 2017-08-19 11:14:46
○ 2026-03-15 17:47:16
○ 2026-08-02 22:06:40
○MXmail.polymath.us2015-07-12 → 2017-08-19 · 4 obs
● 2017-08-19 11:14:46
○ 2026-03-15 17:47:16
○ 2026-08-02 22:06:40
●MXmx1.alias.proton.me2026-03-15 → 2026-08-02 · 3 obs
● 2026-03-15 17:47:16
● 2026-08-02 22:06:40
●MXmx2.alias.proton.me2026-03-15 → 2026-08-02 · 3 obs
● 2026-03-15 17:47:16
● 2026-08-02 22:06:40
○A168.144.1.422015-07-12 → 2017-08-19 · 4 obs
● 2017-08-19 11:14:46
○ 2026-03-15 17:47:16
○ 2026-08-02 22:06:40
●A198.185.159.1442026-03-15 → 2026-08-02 · 3 obs
● 2026-03-15 17:47:16
● 2026-08-02 22:06:40
●A198.185.159.1452026-03-15 → 2026-08-02 · 3 obs
● 2026-03-15 17:47:16
● 2026-08-02 22:06:40
●A198.49.23.1442026-03-15 → 2026-08-02 · 3 obs
● 2026-03-15 17:47:16
● 2026-08-02 22:06:40
●A198.49.23.1452026-03-15 → 2026-08-02 · 3 obs
● 2026-03-15 17:47:16
● 2026-08-02 22:06:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| polymath.us | ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com | - |
✅ Authoritative Response
Server:216.239.34.108
NS records: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for polymath.us (unsigned zone)
⏱️ Timing
Total: 506ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 198.49.23.144, 198.185.159.145... |
| NS | 4 | ns-cloud-c4.googledomains.com, ns-cloud-c3.googledomains.com... |
| MX | 2 | mx2.alias.proton.me (pri: 20), mx1.alias.proton.me (pri: 10) |
| TXT | 3 | pm-verification=ubpyahamunqrqyquplwibssl, v=spf1 include:_spf.protonmail.ch includ... |
| SOA | 1 | ns-cloud-c1.googledomains.com cloud-dns- |
Analysis
IP Addresses
polymath.us points to the four IP addresses 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.
Additional host names — katharinas-klassenzimmer.de, kellieclementlcsw.com, claireburwell.com and two others — share IP numbers with polymath.us.
Name Servers
polymath.us has four authoritative name servers: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com.
The name servers of polymath.us overlap at least partially with those of other domains — among them c-oei.com, papelinter.com, myagecalculator.com and two more.
Each of the four hosts ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com has two IP addresses. ns-cloud-c1.googledomains.com points to 216.239.32.108 and 2001:4860:4802:32::6c. ns-cloud-c2.googledomains.com points to 216.239.34.108 and 2001:4860:4802:34::6c. ns-cloud-c3.googledomains.com points to 216.239.36.108 and 2001:4860:4802:36::6c. ns-cloud-c4.googledomains.com points to 216.239.38.108 and 2001:4860:4802:38::6c.
Mail Servers
polymath.us has two mail servers: mx1.alias.proton.me and mx2.alias.proton.me.
polymath.us shares the same mail server setup as other domains, including exuna.net, moonbelt.com, p8i.org and two others.
polymath.us shares mail servers — at least in part — with other domains, including hober.pl, havanajoeit.com, friedmilk.com and two others.
The mail servers mail.protonmail.ch and mailsec.protonmail.ch are commonly paired with these mail servers.
mx1.alias.proton.me resolves to 176.119.200.136 and 185.205.70.136; mx2.alias.proton.me resolves to the same two IP addresses: 176.119.200.136 and 185.205.70.136.
Host names pointing to 176.119.200.136 IP addresses: mx1.alias.proton.me and mx2.alias.proton.me.
Host names pointing to 185.205.70.136 IP addresses: mx1.alias.proton.me and mx2.alias.proton.me.