4lambda.us - robtex.com
4lambda.us
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1788222632 | ||||||
Same first word
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DNS History
10 records (10 active, 0 former)
●NSns-cloud-b1.googledomains.com2026-08-23 → 2026-09-01 · 2 obs
● 2026-09-01 00:42:30
●NSns-cloud-b2.googledomains.com2026-08-23 → 2026-09-01 · 2 obs
● 2026-09-01 00:42:30
●NSns-cloud-b3.googledomains.com2026-08-23 → 2026-09-01 · 2 obs
● 2026-09-01 00:42:30
●NSns-cloud-b4.googledomains.com2026-08-23 → 2026-09-01 · 2 obs
● 2026-09-01 00:42:30
●MXalt1.aspmx.l.google.com2026-08-23 → 2026-09-01 · 2 obs
● 2026-09-01 00:42:30
●MXalt2.aspmx.l.google.com2026-08-23 → 2026-09-01 · 2 obs
● 2026-09-01 00:42:30
●MXalt3.aspmx.l.google.com2026-08-23 → 2026-09-01 · 2 obs
● 2026-09-01 00:42:30
●MXalt4.aspmx.l.google.com2026-08-23 → 2026-09-01 · 2 obs
● 2026-09-01 00:42:30
●MXaspmx.l.google.com2026-08-23 → 2026-09-01 · 2 obs
● 2026-09-01 00:42:30
●A198.185.159.1442026-08-23 → 2026-09-01 · 2 obs
● 2026-09-01 00:42:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| 4lambda.us | ns-cloud-b1.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b4.googledomains.com | - |
✅ Authoritative Response
Server:216.239.36.107
NS records: ns-cloud-b1.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b4.googledomains.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 565ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 198.185.159.144 |
| NS | 4 | ns-cloud-b3.googledomains.com, ns-cloud-b2.googledomains.com... |
| MX | 5 | alt4.aspmx.l.google.com (pri: 10), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 1 | v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns-cloud-b1.googledomains.com cloud-dns- |
Analysis
IP Addresses
4lambda.us has exactly one IP address — 198.185.159.144.
theoldbank.org, premiumwatergroup.com, amselhof-koerdorf.de plus two other host names have IP numbers in common with 4lambda.us.
Name Servers
Four name servers handle the delegation for 4lambda.us: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.
There is at least partial name server overlap between 4lambda.us and other domains — eternaconcepts.com, chefmedicare.com, marilodelosreyes.com and two more among them.
All four hostnames — ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com — resolve to two IP numbers apiece: ns-cloud-b1.googledomains.com to 216.239.32.107 and 2001:4860:4802:32::6b; ns-cloud-b2.googledomains.com to 216.239.34.107 and 2001:4860:4802:34::6b; ns-cloud-b3.googledomains.com to 216.239.36.107 and 2001:4860:4802:36::6b; ns-cloud-b4.googledomains.com to 216.239.38.107 and 2001:4860:4802:38::6b.
Mail Servers
Five mail servers handle 4lambda.us: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
At least some of the mail servers used by 4lambda.us are shared with other domains: strategicpestcontrolllc.com, apollaperformance.com, south-endo.com and two others among them.
These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.
Host names pointing to two IP addresses:
aspmx.l.google.com resolves to two addresses: 192.179.18.26 and 2607:f8b0:4004:c25::1a.
alt1.aspmx.l.google.com resolves to two addresses: 192.178.234.27 and 2800:3f0:4003:c14::1a.
alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.27 and 2a00:1450:400c:c23::1a.