lessonup.app - robtex.com
lessonup.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 | ||||||
📈 Tranco rank: #476,911
🔒 HSTS Preload (+subdomains)
Same first word
Similar names
DNS History
8 records (8 active, 0 former)
●NSns51.domaincontrol.com2026-02-19 → 2026-04-13 · 2 obs
● 2026-04-13 19:32:12
●NSns52.domaincontrol.com2026-02-19 → 2026-04-13 · 2 obs
● 2026-04-13 19:32:12
●MXalt1.aspmx.l.google.com2026-02-19 → 2026-04-13 · 2 obs
● 2026-04-13 19:32:12
●MXalt2.aspmx.l.google.com2026-02-19 → 2026-04-13 · 2 obs
● 2026-04-13 19:32:12
●MXaspmx.l.google.com2026-02-19 → 2026-04-13 · 2 obs
● 2026-04-13 19:32:12
●MXaspmx2.googlemail.com2026-02-19 → 2026-04-13 · 2 obs
● 2026-04-13 19:32:12
●MXaspmx3.googlemail.com2026-02-19 → 2026-04-13 · 2 obs
● 2026-04-13 19:32:12
●A34.117.33.162026-02-19 → 2026-04-13 · 2 obs
● 2026-04-13 19:32:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| lessonup.app | ns51.domaincontrol.com, ns52.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.73.26
NS records: ns51.domaincontrol.com, ns52.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for lessonup.app (unsigned zone)
⏱️ Timing
Total: 375ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 34.117.33.16 |
| NS | 2 | ns51.domaincontrol.com, ns52.domaincontrol.com |
| MX | 5 | aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)... |
| TXT | 3 | google-site-verification=YaDsfhTCCroUOIZ, v=spf1 -all... |
| SOA | 1 | ns51.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
lessonup.app points to a single IP: 34.117.33.16.
Name Servers
Two name servers ns51.domaincontrol.com and ns52.domaincontrol.com handle delegation for lessonup.app.
lessonup.app uses the same name server setup as other domains, for example manikids.com, kleavitt.com, trovis.net, schweigerviolins.com and carson-johnny.com.
Host names with two IP numbers:
ns51.domaincontrol.com points to: 2603:5:2192::1a and 97.74.105.26
ns52.domaincontrol.com points to: 2603:5:2292::1a and 173.201.73.26
Mail Servers
Five mail servers handle lessonup.app: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
lessonup.app shares some mail servers with other domains, at least partially, such as xdeal.ch, victoryautowrecker.com, nigelstanford.com, ns500698.ns500758.ns500758.ns500698.ns500698.ns500758.ns500735.ns500736.ns500735.ns500708.ns500698.ns500619.ns500698.ns500619.ns500619.ns500576.trackreceptor.com and ns500742.ns500754.ns500671.ns500742.ns500731.ns500754.ns500671.ns500704.ns500291.ns500291.ns500649.ns500142.lusty(0x736c7574)z.com.
These mail servers are often used with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Hosts with two IPs:
aspmx2.googlemail.com points to 2607:f8b0:4023:2801::1b and 192.178.128.26
aspmx3.googlemail.com points to 2a00:1450:400b:c02::1b and 172.253.116.27
aspmx.l.google.com points to 2607:f8b0:4023:c0b::1b and 142.250.101.26
alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1b and 108.177.123.26
alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1b and 172.253.116.26
Host names pointing to 2a00:1450:400b:c02::1b: aspmx3.googlemail.com and alt2.aspmx.l.google.com