polymath.nl - dns.ninja

polymath.nl

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-08-02 18:30:01 +0000 (EPOCH 1785695401)
SOAns1.dns.nldns@sidn.nl 2026-08-02 #37

Subdomains

Same first word

Similar names

DNS History

26 records (13 active, 13 former)

20162017201820192020202120222023202420252026NSns1.hosting013.nlns2.hosting013.nlns3.hosting013.nlns1.anony.nlns1.flexwebhosting.nlns2.anony.nlns3.anony.euMXalt1.aspmx.l.google.com.polymath.nlalt2.aspmx.l.google.com.polymath.nlaspmx.l.google.com.polymath.nlaspmx2.googlemail.com.polymath.nlaspmx3.googlemail.com.polymath.nlaspmx4.googlemail.com.polymath.nlaspmx5.googlemail.com.polymath.nlmail.polymath.nlalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA193.34.166.232a00:7b80:3042:3000::2383.98.128.9189.18.176.74
NSns1.anony.nl2015-07-09 → 2017-09-06 · 6 obs
● 2015-07-09 21:59:12
● 2016-02-06 21:44:56
○ 2016-07-03 18:55:54
● 2017-09-06 09:39:50
○ 2026-04-09 20:58:48
○ 2026-08-02 19:21:54
NSns1.flexwebhosting.nl2016-07-03 → 2017-09-06 · 5 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
○ 2026-08-02 19:21:54
NSns1.hosting013.nl2026-04-09 → 2026-08-02 · 3 obs
○ 2017-09-06 09:39:50
● 2026-04-09 20:58:48
● 2026-08-02 19:21:54
NSns2.anony.nl2015-07-09 → 2017-09-06 · 4 obs
● 2015-07-09 21:59:12
● 2017-09-06 09:39:50
○ 2026-04-09 20:58:48
○ 2026-08-02 19:21:54
NSns2.hosting013.nl2026-04-09 → 2026-08-02 · 3 obs
○ 2017-09-06 09:39:50
● 2026-04-09 20:58:48
● 2026-08-02 19:21:54
NSns3.anony.eu2015-07-09 → 2017-09-06 · 4 obs
● 2015-07-09 21:59:12
● 2017-09-06 09:39:50
○ 2026-04-09 20:58:48
○ 2026-08-02 19:21:54
NSns3.hosting013.nl2026-04-09 → 2026-08-02 · 3 obs
○ 2017-09-06 09:39:50
● 2026-04-09 20:58:48
● 2026-08-02 19:21:54
MXalt1.aspmx.l.google.com2016-07-03 → 2017-09-06 · 5 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
○ 2026-08-02 19:21:54
MXalt1.aspmx.l.google.com.polymath.nl2026-04-09 → 2026-08-02 · 3 obs
○ 2017-09-06 09:39:50
● 2026-04-09 20:58:48
● 2026-08-02 19:21:54
MXalt2.aspmx.l.google.com2016-07-03 → 2017-09-06 · 5 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
○ 2026-08-02 19:21:54
MXalt2.aspmx.l.google.com.polymath.nl2026-04-09 → 2026-08-02 · 3 obs
○ 2017-09-06 09:39:50
● 2026-04-09 20:58:48
● 2026-08-02 19:21:54
MXaspmx.l.google.com2016-07-03 → 2017-09-06 · 5 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
○ 2026-08-02 19:21:54
MXaspmx.l.google.com.polymath.nl2026-04-09 → 2026-08-02 · 3 obs
○ 2017-09-06 09:39:50
● 2026-04-09 20:58:48
● 2026-08-02 19:21:54
MXaspmx2.googlemail.com2016-07-03 → 2017-09-06 · 5 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
○ 2026-08-02 19:21:54
MXaspmx2.googlemail.com.polymath.nl2026-04-09 → 2026-08-02 · 3 obs
○ 2017-09-06 09:39:50
● 2026-04-09 20:58:48
● 2026-08-02 19:21:54
MXaspmx3.googlemail.com2016-07-03 → 2017-09-06 · 5 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
○ 2026-08-02 19:21:54
MXaspmx3.googlemail.com.polymath.nl2026-04-09 → 2026-08-02 · 3 obs
○ 2017-09-06 09:39:50
● 2026-04-09 20:58:48
● 2026-08-02 19:21:54
MXaspmx4.googlemail.com2016-07-03 → 2017-09-06 · 5 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
○ 2026-08-02 19:21:54
MXaspmx4.googlemail.com.polymath.nl2026-04-09 → 2026-08-02 · 3 obs
○ 2017-09-06 09:39:50
● 2026-04-09 20:58:48
● 2026-08-02 19:21:54
MXaspmx5.googlemail.com2016-07-03 → 2017-09-06 · 5 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
○ 2026-08-02 19:21:54
MXaspmx5.googlemail.com.polymath.nl2026-04-09 → 2026-08-02 · 3 obs
○ 2017-09-06 09:39:50
● 2026-04-09 20:58:48
● 2026-08-02 19:21:54
MXmail.polymath.nl2015-07-09 → 2026-08-02 · 6 obs
● 2015-07-09 21:59:12
● 2016-02-06 21:44:56
○ 2016-07-03 18:55:54
○ 2017-09-06 09:39:50
● 2026-04-09 20:58:48
● 2026-08-02 19:21:54
A193.34.166.232026-04-09 → 2026-08-02 · 3 obs
○ 2017-09-06 09:39:50
● 2026-04-09 20:58:48
● 2026-08-02 19:21:54
A2a00:7b80:3042:3000::232026-04-09 → 2026-08-02 · 3 obs
○ 2017-09-06 09:39:50
● 2026-04-09 20:58:48
● 2026-08-02 19:21:54
A83.98.128.912017-06-29 → 2017-09-06 · 5 obs
○ 2016-12-08 14:21:10
● 2017-06-29 16:21:08
● 2017-09-06 09:39:50
○ 2026-04-09 20:58:48
○ 2026-08-02 19:21:54
A89.18.176.742015-07-09 → 2016-12-08 · 4 obs
● 2015-07-09 21:59:12
● 2016-12-08 14:21:10
○ 2017-06-29 16:21:08
○ 2026-08-02 19:21:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
polymath.nlns1.hosting013.nl, ns2.hosting013.nl, ns3.hosting013.nl6 records

✅ Authoritative Response

Server:89.207.130.251

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: 294ms | Queries: -

📄 Records

TypeCountSample Data
A1193.34.166.23
AAAA12a00:7b80:3042:3000::23
NS3ns3.hosting013.nl, ns2.hosting013.nl...
MX8aspmx5.googlemail.com.polymath.nl (pri: , mail.polymath.nl (pri: 10)...
TXT1v=spf1 a mx ip4:193.34.166.23 include:_s
SOA1ns1.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.