codemastery.org - robtex.com
codemastery.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1781269581 | ||||||
Same first word
Similar names
DNS History
11 records (9 active, 2 former)
●NSns0.transip.net2015-08-09 → 2026-06-12 · 2 obs
● 2026-06-12 13:34:24
●NSns1.transip.nl2015-08-09 → 2026-06-12 · 2 obs
● 2026-06-12 13:34:24
●NSns2.transip.eu2015-08-09 → 2026-06-12 · 2 obs
● 2026-06-12 13:34:24
●MXalt1.aspmx.l.google.com2015-08-09 → 2026-06-12 · 2 obs
● 2026-06-12 13:34:24
●MXalt2.aspmx.l.google.com2015-08-09 → 2026-06-12 · 2 obs
● 2026-06-12 13:34:24
●MXaspmx.l.google.com2015-08-09 → 2026-06-12 · 2 obs
● 2026-06-12 13:34:24
●MXaspmx2.googlemail.com2015-08-09 → 2026-06-12 · 2 obs
● 2026-06-12 13:34:24
●MXaspmx3.googlemail.com2015-08-09 → 2026-06-12 · 2 obs
● 2026-06-12 13:34:24
●A178.85.13.2162017-03-30 → 2026-06-12 · 3 obs
● 2017-03-30 09:12:20
● 2026-06-12 13:34:24
○A54.229.69.1392015-08-09 → 2015-08-09 · 3 obs
○ 2015-12-09 05:49:10
○ 2026-06-12 13:34:24
○A62.194.32.2092015-12-09 → 2016-06-26 · 5 obs
● 2015-12-09 05:49:10
● 2016-06-26 03:20:20
○ 2017-03-30 09:12:20
○ 2026-06-12 13:34:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| codemastery.org | ns1.transip.nl, ns2.transip.eu, ns0.transip.net | - |
✅ Authoritative Response
Server:195.135.195.195
NS records: ns1.transip.nl, ns2.transip.eu, ns0.transip.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 475ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 178.85.13.216 |
| NS | 3 | ns2.transip.eu, ns0.transip.net... |
| MX | 5 | ALT2.ASPMX.L.GOOGLE.COM (pri: 20), ALT1.ASPMX.L.GOOGLE.COM (pri: 20)... |
| TXT | 1 | google-site-verification=Ce__TBok1OrBu-o |
| SOA | 1 | ns0.transip.net hostmaster.transip.nl |
Analysis
IP Addresses
codemastery.org resolves to one IP address: 178.85.13.216.
Among the host names that share IP numbers with codemastery.org is 178-85-13-216.dynamic.upc.nl, as one example.
Name Servers
codemastery.org is served by three name servers: ns2.transip.eu, ns0.transip.net and ns1.transip.nl.
codemastery.org has at least partial name server overlap with other domains, such as wizzits.nl, omwonen.com, checkhet.nl and two others.
The hostnames ns2.transip.eu, ns0.transip.net and ns1.transip.nl each direct to two IP addresses — ns2.transip.eu to 37.97.199.195 and 2a01:7c8:f:c1f::195, ns0.transip.net to 195.135.195.195 and 2a01:7c8:dddd:195::195, and ns1.transip.nl to 195.8.195.195 and 2a01:7c8:7000:195::195.
Mail Servers
Mail for codemastery.org is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
codemastery.org has at least partial mail server overlap with other domains such as ns500742.ns500731.ns500731.ns500671.ns500754.ns500671.ns500688.ns500678.ns500678.ns500671.ns500131.lustychickser.com, ns500759.ns500698.ns500758.ns500759.ns500758.ns500735.ns500735.ns500736.ns500698.ns500736.ns500576.ns500576.ns500576.trackreceptor.com, ns500731.ns500742.ns500731.ns500671.ns500731.ns500704.ns500704.ns500705.ns500705.ns500704.ns500649.ns500291.ns500142.lusty(0x736c7574)z.com and two more.
These mail servers commonly co-occur with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.
Hostnames that resolve to two IP addresses:
The A records for aspmx2.googlemail.com return 108.177.123.26 and 2800:3f0:4003:c0f::1a.
The A records for aspmx3.googlemail.com return 172.253.116.27 and 2a00:1450:400b:c02::1a.
The A records for aspmx.l.google.com return 172.253.63.26 and 2607:f8b0:4004:c08::1a.
The A records for alt1.aspmx.l.google.com return 108.177.123.26 and 2800:3f0:4003:c0f::1a.
The A records for alt2.aspmx.l.google.com return 172.253.116.27 and 2a00:1450:400b:c02::1b.
aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 2800:3f0:4003:c0f::1a IP addresses.
aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 108.177.123.26 IP addresses.
aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 172.253.116.27 IP addresses.