codemastery.nl - dns.ninja

codemastery.nl

DNSSEC๐Ÿ”’ Signed (DS record present)
A51.144.125.17๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft51.144.0.0/15
NSns0.transip.net โญ
A2a01:7c8:dddd:195::195๐Ÿ‡ณ๐Ÿ‡ฑ TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRns0.transip.net
A195.135.195.195๐Ÿ‡ฎ๐Ÿ‡น TRANSIP-AS195.135.195.0/24 TransIP B.V.
PTRns0.transip.net
NSns1.transip.nl
A2a01:7c8:7000:195::195๐Ÿ‡ณ๐Ÿ‡ฑ TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRns1.transip.nl
A195.8.195.195๐Ÿ‡ณ๐Ÿ‡ฑ TRANSIP-AS195.8.195.0/24 TransIP B.V.
PTRns1.transip.nl
NSns2.transip.eu
A2a01:7c8:f:c1f::195๐Ÿ‡ณ๐Ÿ‡ฑ TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRns2.transip.eu
A37.97.199.195๐Ÿ‡ณ๐Ÿ‡ฑ TRANSIP-AS37.97.128.0/17 TransIP BV Amsterdam, The Netherlands
PTRns2.transip.eu
MXaspmx.l.google.com โญ
A2607:f8b0:4004:c07::1a๐Ÿ‡บ๐Ÿ‡ธ Google2607:f8b0:4004::/48
PTRbc-in-f26.1e100.net
A142.251.167.26๐Ÿ‡บ๐Ÿ‡ธ Google142.251.167.0/24
PTRww-in-f26.1e100.net
MXalt1.aspmx.l.google.com(20)
A2800:3f0:4003:c0f::1a๐Ÿ‡จ๐Ÿ‡ฑ Google2800:3f0:4003::/48
A108.177.123.26๐Ÿ‡บ๐Ÿ‡ธ Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(20)
A2a00:1450:400b:c02::1a๐Ÿ‡ฎ๐Ÿ‡ช Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26๐Ÿ‡บ๐Ÿ‡ธ Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXaspmx2.googlemail.com(30)
A2800:3f0:4003:c0f::1b๐Ÿ‡จ๐Ÿ‡ฑ Google2800:3f0:4003::/48
A108.177.123.27๐Ÿ‡บ๐Ÿ‡ธ Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXaspmx3.googlemail.com(30)
A2a00:1450:400b:c02::1b๐Ÿ‡ฎ๐Ÿ‡ช Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.27๐Ÿ‡บ๐Ÿ‡ธ Google172.253.116.0/24
PTRdj-in-f27.1e100.net
TXTgoogle-site-verification=gAaRr426ITgiRqcgU5PSTutcdtzMy5y27rqhv6rUByg
SOAns0.transip.nethostmaster@transip.nl 2021-11-08 #1

nl

DNSSEC๐Ÿ”’ Signed (DS record present)
NSns1.dns.nl โญ
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-08-07 03:30:01 +0000 (EPOCH 1786073401)
SOAns1.dns.nldns@sidn.nl 2026-08-07 #7

Same first word

Similar names

DNS History

11 records (9 active, 2 former)

20162017201820192020202120222023202420252026NSns0.transip.netns1.transip.nlns2.transip.euMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA51.144.125.17178.85.13.21662.194.32.209
โ—NSns0.transip.net2015-05-27 โ†’ 2026-08-07 ยท 2 obs
โ— 2015-05-27 20:08:06
โ— 2026-08-07 04:23:06
โ—NSns1.transip.nl2015-05-27 โ†’ 2026-08-07 ยท 2 obs
โ— 2015-05-27 20:08:06
โ— 2026-08-07 04:23:06
โ—NSns2.transip.eu2015-05-27 โ†’ 2026-08-07 ยท 2 obs
โ— 2015-05-27 20:08:06
โ— 2026-08-07 04:23:06
โ—MXalt1.aspmx.l.google.com2015-05-27 โ†’ 2026-08-07 ยท 2 obs
โ— 2015-05-27 20:08:06
โ— 2026-08-07 04:23:06
โ—MXalt2.aspmx.l.google.com2015-05-27 โ†’ 2026-08-07 ยท 2 obs
โ— 2015-05-27 20:08:06
โ— 2026-08-07 04:23:06
โ—MXaspmx.l.google.com2015-05-27 โ†’ 2026-08-07 ยท 2 obs
โ— 2015-05-27 20:08:06
โ— 2026-08-07 04:23:06
โ—MXaspmx2.googlemail.com2015-05-27 โ†’ 2026-08-07 ยท 2 obs
โ— 2015-05-27 20:08:06
โ— 2026-08-07 04:23:06
โ—MXaspmx3.googlemail.com2015-05-27 โ†’ 2026-08-07 ยท 2 obs
โ— 2015-05-27 20:08:06
โ— 2026-08-07 04:23:06
โ—‹A178.85.13.2162017-04-01 โ†’ 2017-04-01 ยท 3 obs
โ—‹ 2016-07-21 22:45:04
โ— 2017-04-01 13:36:18
โ—‹ 2026-08-07 04:23:06
โ—A51.144.125.172026-08-07 โ†’ 2026-08-07 ยท 2 obs
โ—‹ 2017-04-01 13:36:18
โ— 2026-08-07 04:23:06
โ—‹A62.194.32.2092015-10-19 โ†’ 2016-07-21 ยท 4 obs
โ— 2015-10-19 17:47:56
โ— 2016-07-21 22:45:04
โ—‹ 2017-04-01 13:36:18
โ—‹ 2026-08-07 04:23:06

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
nlns3.dns.nl, ns1.dns.nl, ns4.dns.nl-
codemastery.nlns0.transip.net, ns1.transip.nl, ns2.transip.eu2 records

โœ… Authoritative Response

Server:37.97.199.195

NS records: ns0.transip.net, ns1.transip.nl, ns2.transip.eu

๐Ÿ”’ DNSSEC Status

๐Ÿ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

โฑ๏ธ Timing

Total: 1015ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A151.144.125.17
NS3ns1.transip.nl, ns2.transip.eu...
MX5ALT2.ASPMX.L.GOOGLE.COM (pri: 20), ALT1.ASPMX.L.GOOGLE.COM (pri: 20)...
TXT1google-site-verification=gAaRr426ITgiRqc
SOA1ns0.transip.net hostmaster.transip.nl

๐Ÿ“Œ Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.transip.nl, ns1.transip.nl)

Analysis

IP Addresses

codemastery.nl directs to one IP number, which is 51.144.125.17.

Name Servers

Three name servers are authoritative for codemastery.nl: ns2.transip.eu, ns0.transip.net and ns1.transip.nl.

There is at least partial name server overlap between codemastery.nl and other domains โ€” elmomo.nl, storageforlife.nl, arnobekkers.com and two more among them.

ns2.transip.eu resolves to 37.97.199.195 and 2a01:7c8:f:c1f::195. ns0.transip.net resolves to 195.135.195.195 and 2a01:7c8:dddd:195::195. ns1.transip.nl resolves to 195.8.195.195 and 2a01:7c8:7000:195::195. All three hostnames point to two IP numbers each.

Mail Servers

Five mail servers handle codemastery.nl: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

codemastery.nl shares at least some of its mail servers with other domains โ€” for example vematic.sk, dgcint.com, pugetsoundpetdoors.com and two more.

It is common to find these mail servers paired with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 more.

Hosts with two IP numbers each:

aspmx2.googlemail.com maps to two IP addresses โ€” 108.177.123.27 and 2800:3f0:4003:c0f::1b.

aspmx3.googlemail.com maps to two IP addresses โ€” 172.253.116.27 and 2a00:1450:400b:c02::1b.

aspmx.l.google.com maps to two IP addresses โ€” 142.251.167.26 and 2607:f8b0:4004:c07::1a.

alt1.aspmx.l.google.com maps to two IP addresses โ€” 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com maps to two IP addresses โ€” 172.253.116.26 and 2a00:1450:400b:c02::1a.