polymath.nl - dns.ninja
polymath.nl
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-06-16 21:00:01 +0000 (EPOCH 1781643601) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-06-16 #42 | ||||||
Subdomains
mail.polymath.nl |
Same first word
Similar names
DNS History
26 records (13 active, 13 former)
○NSns1.anony.nl2015-07-09 → 2017-09-06 · 6 obs
● 2016-02-06 21:44:56
○ 2016-07-03 18:55:54
● 2017-09-06 09:39:50
○ 2026-04-09 20:58:48
○ 2026-06-16 22:09:38
○NSns1.flexwebhosting.nl2016-07-03 → 2017-09-06 · 5 obs
● 2016-07-03 18:55:54
● 2017-09-06 09:39:50
○ 2026-04-09 20:58:48
○ 2026-06-16 22:09:38
●NSns1.hosting013.nl2026-04-09 → 2026-06-16 · 3 obs
● 2026-04-09 20:58:48
● 2026-06-16 22:09:38
○NSns2.anony.nl2015-07-09 → 2017-09-06 · 4 obs
● 2017-09-06 09:39:50
○ 2026-04-09 20:58:48
○ 2026-06-16 22:09:38
●NSns2.hosting013.nl2026-04-09 → 2026-06-16 · 3 obs
● 2026-04-09 20:58:48
● 2026-06-16 22:09:38
○NSns3.anony.eu2015-07-09 → 2017-09-06 · 4 obs
● 2017-09-06 09:39:50
○ 2026-04-09 20:58:48
○ 2026-06-16 22:09:38
●NSns3.hosting013.nl2026-04-09 → 2026-06-16 · 3 obs
● 2026-04-09 20:58:48
● 2026-06-16 22:09:38
○MXalt1.aspmx.l.google.com2016-07-03 → 2017-09-06 · 5 obs
● 2016-07-03 18:55:54
● 2017-09-06 09:39:50
○ 2026-04-09 20:58:48
○ 2026-06-16 22:09:38
●MXalt1.aspmx.l.google.com.polymath.nl2026-04-09 → 2026-06-16 · 3 obs
● 2026-04-09 20:58:48
● 2026-06-16 22:09:38
○MXalt2.aspmx.l.google.com2016-07-03 → 2017-09-06 · 5 obs
● 2016-07-03 18:55:54
● 2017-09-06 09:39:50
○ 2026-04-09 20:58:48
○ 2026-06-16 22:09:38
●MXalt2.aspmx.l.google.com.polymath.nl2026-04-09 → 2026-06-16 · 3 obs
● 2026-04-09 20:58:48
● 2026-06-16 22:09:38
○MXaspmx.l.google.com2016-07-03 → 2017-09-06 · 5 obs
● 2016-07-03 18:55:54
● 2017-09-06 09:39:50
○ 2026-04-09 20:58:48
○ 2026-06-16 22:09:38
●MXaspmx.l.google.com.polymath.nl2026-04-09 → 2026-06-16 · 3 obs
● 2026-04-09 20:58:48
● 2026-06-16 22:09:38
○MXaspmx2.googlemail.com2016-07-03 → 2017-09-06 · 5 obs
● 2016-07-03 18:55:54
● 2017-09-06 09:39:50
○ 2026-04-09 20:58:48
○ 2026-06-16 22:09:38
●MXaspmx2.googlemail.com.polymath.nl2026-04-09 → 2026-06-16 · 3 obs
● 2026-04-09 20:58:48
● 2026-06-16 22:09:38
○MXaspmx3.googlemail.com2016-07-03 → 2017-09-06 · 5 obs
● 2016-07-03 18:55:54
● 2017-09-06 09:39:50
○ 2026-04-09 20:58:48
○ 2026-06-16 22:09:38
●MXaspmx3.googlemail.com.polymath.nl2026-04-09 → 2026-06-16 · 3 obs
● 2026-04-09 20:58:48
● 2026-06-16 22:09:38
○MXaspmx4.googlemail.com2016-07-03 → 2017-09-06 · 5 obs
● 2016-07-03 18:55:54
● 2017-09-06 09:39:50
○ 2026-04-09 20:58:48
○ 2026-06-16 22:09:38
●MXaspmx4.googlemail.com.polymath.nl2026-04-09 → 2026-06-16 · 3 obs
● 2026-04-09 20:58:48
● 2026-06-16 22:09:38
○MXaspmx5.googlemail.com2016-07-03 → 2017-09-06 · 5 obs
● 2016-07-03 18:55:54
● 2017-09-06 09:39:50
○ 2026-04-09 20:58:48
○ 2026-06-16 22:09:38
●MXaspmx5.googlemail.com.polymath.nl2026-04-09 → 2026-06-16 · 3 obs
● 2026-04-09 20:58:48
● 2026-06-16 22:09:38
●MXmail.polymath.nl2015-07-09 → 2026-06-16 · 6 obs
● 2016-02-06 21:44:56
○ 2016-07-03 18:55:54
○ 2017-09-06 09:39:50
● 2026-04-09 20:58:48
● 2026-06-16 22:09:38
●A193.34.166.232026-04-09 → 2026-06-16 · 3 obs
● 2026-04-09 20:58:48
● 2026-06-16 22:09:38
●A2a00:7b80:3042:3000::232026-04-09 → 2026-06-16 · 3 obs
● 2026-04-09 20:58:48
● 2026-06-16 22:09:38
○A83.98.128.912017-06-29 → 2017-09-06 · 5 obs
● 2017-06-29 16:21:08
● 2017-09-06 09:39:50
○ 2026-04-09 20:58:48
○ 2026-06-16 22:09:38
○A89.18.176.742015-07-09 → 2016-12-08 · 4 obs
● 2016-12-08 14:21:10
○ 2017-06-29 16:21:08
○ 2026-06-16 22:09:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns3.dns.nl, ns4.dns.nl, ns1.dns.nl | - |
| polymath.nl | ns1.hosting013.nl, ns2.hosting013.nl, ns3.hosting013.nl | 6 records |
✅ Authoritative Response
Server:89.207.128.251
NS records: ns1.hosting013.nl, ns2.hosting013.nl, ns3.hosting013.nl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for polymath.nl (unsigned zone)
⏱️ Timing
Total: 283ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.34.166.23 |
| AAAA | 1 | 2a00:7b80:3042:3000::23 |
| NS | 3 | ns2.hosting013.nl, ns1.hosting013.nl... |
| MX | 8 | mail.polymath.nl (pri: 10), alt2.aspmx.l.google.com.polymath.nl (pri... |
| TXT | 1 | v=spf1 a mx ip4:193.34.166.23 include:_s |
| SOA | 1 | ns1.hosting013.nl hostmaster.polymath.nl |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns1.hosting013.nl, ns2.hosting013.nl, ns3.hosting013.nl...)
Analysis
Hierarchy
mail.polymath.nl is a subdomain of polymath.nl.
IP Addresses
polymath.nl has two IP addresses: 193.34.166.23 and 2a00:7b80:3042:3000::23
Additional host names — mail.polymath.nl, mail.willemdewijs.nl, mail.yoman.eu and two others — share IP numbers with polymath.nl.
Name Servers
polymath.nl is delegated to three name servers: ns1.hosting013.nl, ns2.hosting013.nl and ns3.hosting013.nl.
The name servers of polymath.nl overlap at least partially with those of other domains — among them limobus.nl, ecovriendelijk.nl, yoman.eu and two more.
ns1.hosting013.nl, ns2.hosting013.nl and ns3.hosting013.nl each resolve to two IP addresses: ns1.hosting013.nl resolves to 89.207.128.251 and 2a00:7b80:476:ffff::2; ns2.hosting013.nl resolves to 89.207.130.251 and 2a00:7b80:478:ffff::2; ns3.hosting013.nl resolves to 77.72.147.249 and 2a01:7c8:aaae:1e2::2.
Mail Servers
polymath.nl has 8 mail servers — mail.polymath.nl, aspmx2.googlemail.com.polymath.nl, aspmx3.googlemail.com.polymath.nl plus 5 other.
These mail servers are frequently used alongside the mail servers aspmx4.googlemail.com.polymath.nl, aspmx5.googlemail.com.polymath.nl and aspmx.l.google.com.polymath.nl, plus two others.
Host names with two IP numbers:
mail.polymath.nl points to 193.34.166.23 and 2a00:7b80:3042:3000::23.