knowcode.app - robtex.com
knowcode.app
app
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427 | ||||||
Same first word
Similar names
Previous names
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DNS History
11 records (11 active, 0 former)
●NSns-1352.awsdns-41.org2026-06-06 → 2026-08-30 · 2 obs
● 2026-08-30 16:26:24
●NSns-1607.awsdns-08.co.uk2026-06-06 → 2026-08-30 · 2 obs
● 2026-08-30 16:26:24
●NSns-395.awsdns-49.com2026-06-06 → 2026-08-30 · 2 obs
● 2026-08-30 16:26:24
●NSns-923.awsdns-51.net2026-06-06 → 2026-08-30 · 2 obs
● 2026-08-30 16:26:24
●MX3qroqabpb7ot5zm42x6g4wnfem5bwjxjit2rubqzrxzg3zya35xa.mx-verification.google.com2026-06-06 → 2026-08-30 · 2 obs
● 2026-08-30 16:26:24
●MXalt1.aspmx.l.google.com2026-06-06 → 2026-08-30 · 2 obs
● 2026-08-30 16:26:24
●MXalt2.aspmx.l.google.com2026-06-06 → 2026-08-30 · 2 obs
● 2026-08-30 16:26:24
●MXalt3.aspmx.l.google.com2026-06-06 → 2026-08-30 · 2 obs
● 2026-08-30 16:26:24
●MXalt4.aspmx.l.google.com2026-06-06 → 2026-08-30 · 2 obs
● 2026-08-30 16:26:24
●MXaspmx.l.google.com2026-06-06 → 2026-08-30 · 2 obs
● 2026-08-30 16:26:24
●A216.150.1.12026-06-06 → 2026-08-30 · 2 obs
● 2026-08-30 16:26:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| knowcode.app | ns-395.awsdns-49.com, ns-923.awsdns-51.net, ns-1607.awsdns-08.co.uk, ns-1352.awsdns-41.org | - |
✅ Authoritative Response
Server:205.251.195.155
NS records: ns-395.awsdns-49.com, ns-923.awsdns-51.net, ns-1607.awsdns-08.co.uk, ns-1352.awsdns-41.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowcode.app (unsigned zone)
⏱️ Timing
Total: 613ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.150.1.1 |
| NS | 4 | ns-1352.awsdns-41.org, ns-1607.awsdns-08.co.uk... |
| MX | 6 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 1 | google-site-verification=jH1b7T6I6WjXL35 |
| SOA | 1 | ns-923.awsdns-51.net awsdns-hostmaster.a |
Analysis
IP Addresses
knowcode.app resolves to just one IP address, 216.150.1.1.
Two other host names, along with ctibaccelerator.ae, seratostats.com and hurairacheema.cv, also share IP numbers with knowcode.app.
Name Servers
The NS records for knowcode.app point to four name servers: ns-395.awsdns-49.com, ns-923.awsdns-51.net, ns-1352.awsdns-41.org and ns-1607.awsdns-08.co.uk.
The name servers of knowcode.app overlap at least partially with those of other domains — among them planning-for-college.com, zoqq.com, jagatjit.com and two more.
Each of the four hosts ns-395.awsdns-49.com, ns-923.awsdns-51.net, ns-1352.awsdns-41.org and ns-1607.awsdns-08.co.uk has two IP addresses. ns-395.awsdns-49.com points to 205.251.193.139 and 2600:9000:5301:8b00::1. ns-923.awsdns-51.net points to 205.251.195.155 and 2600:9000:5303:9b00::1. ns-1352.awsdns-41.org points to 205.251.197.72 and 2600:9000:5305:4800::1. ns-1607.awsdns-08.co.uk points to 205.251.198.71 and 2600:9000:5306:4700::1.
Mail Servers
knowcode.app has 6 mail servers — aspmx.l.google.com, 3qroqabpb7ot5zm42x6g4wnfem5bwjxjit2rubqzrxzg3zya35xa.mx-verification.google.com, alt1.aspmx.l.google.com plus 3 other.
There is at least a partial MX overlap between knowcode.app and other domains, including ruhvera.in, semoraservices.com, aryhservices.com and two others.
These mail servers tend to appear in combination with mail servers alt2.aspmx.l.google.com, alt4.aspmx.l.google.com, alt3.aspmx.l.google.com and 4 others.
Host names that have two IP addresses:
aspmx.l.google.com has two IP addresses: 142.251.163.26 and 2607:f8b0:4004:c06::1a.
alt1.aspmx.l.google.com has two IP addresses: 192.178.234.27 and 2800:3f0:4003:c14::1b.
alt2.aspmx.l.google.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com has two IP addresses: 172.253.157.27 and 2a00:1450:400c:c23::1a.