sema4ai.dev - robtex.com
sema4ai.dev
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1168.awsdns-18.org ⭐ | ||||||
| A | 2600:9000:5304:9000::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1168.awsdns-18.org | ||||||
| A | 205.251.196.144🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1168.awsdns-18.org | ||||||
| NS | ns-2041.awsdns-63.co.uk | ||||||
| A | 2600:9000:5307:f900::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-2041.awsdns-63.co.uk | ||||||
| A | 205.251.199.249🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-2041.awsdns-63.co.uk | ||||||
| NS | ns-217.awsdns-27.com | ||||||
| A | 2600:9000:5300:d900::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-217.awsdns-27.com | ||||||
| A | 205.251.192.217🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-217.awsdns-27.com | ||||||
| NS | ns-701.awsdns-23.net | ||||||
| A | 2600:9000:5302:bd00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-701.awsdns-23.net | ||||||
| A | 205.251.194.189🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-701.awsdns-23.net | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns-1168.awsdns-18.orgawsdns-hostmaster@amazon.com serial=1 | ||||||
dev
| 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=1 | ||||||
Similar names
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| sema4ai.dev | ns-701.awsdns-23.net, ns-2041.awsdns-63.co.uk, ns-1168.awsdns-18.org, ns-217.awsdns-27.com | - |
✅ Authoritative Response
Server: 205.251.194.189
NS records: ns-701.awsdns-23.net, ns-2041.awsdns-63.co.uk, ns-1168.awsdns-18.org, ns-217.awsdns-27.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sema4ai.dev (unsigned zone)
⏱️ Timing
Total: 318ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1168.awsdns-18.org, ns-2041.awsdns-63.co.uk... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns-1168.awsdns-18.org awsdns-hostmaster. |
Analysis
Name Servers
sema4ai.dev is delegated to four name servers: ns-217.awsdns-27.com, ns-701.awsdns-23.net, ns-1168.awsdns-18.org and ns-2041.awsdns-63.co.uk.
sema4ai.dev at least partially shares name servers with other domains, for instance homepackconcierge.co.uk, sparwelt.ch, gasdelivery.com.br, keypointlearning.com and saltwise.net.
These name servers are commonly used with ns-396.awsdns-49.com, ns-1041.awsdns-02.org and ns-1583.awsdns-05.co.uk.
Host names with two IP numbers:
ns-217.awsdns-27.com points to 2600:9000:5300:d900::1 and 205.251.192.217; ns-701.awsdns-23.net points to 2600:9000:5302:bd00::1 and 205.251.194.189; ns-1168.awsdns-18.org points to 2600:9000:5304:9000::1 and 205.251.196.144; ns-2041.awsdns-63.co.uk points to 2600:9000:5307:f900::1 and 205.251.199.249.