www.resend.dev - robtex.com
www.resend.dev
| CNAME | cname.vercel-dns.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 66.33.60.193🇺🇸 Amazon66.33.60.0/24 EC2 Prefix | ||||||
| A | 76.76.21.241🇺🇸 Amazon76.76.21.0/24 EC2 Prefix | ||||||
| NS | ns1.vercel-dns-3.com ⭐ | ||||||
| A | 2600:9000:5301:5c00::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-348.awsdns-43.com | ||||||
| A | 205.251.193.92🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-348.awsdns-43.com | ||||||
| NS | ns2.vercel-dns-3.com | ||||||
| A | 2600:9000:5302:9500::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-661.awsdns-18.net | ||||||
| A | 205.251.194.149🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-661.awsdns-18.net | ||||||
| NS | ns3.vercel-dns-3.com | ||||||
| A | 2600:9000:5305:7400::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1396.awsdns-46.org | ||||||
| A | 205.251.197.116🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1396.awsdns-46.org | ||||||
| NS | ns4.vercel-dns-3.com | ||||||
| A | 2600:9000:5307:3c00::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1852.awsdns-39.co.uk | ||||||
| A | 205.251.199.60🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1852.awsdns-39.co.uk | ||||||
| SOA | ns1.vercel-dns-3.comawsdns-hostmaster@amazon.com serial=1 | ||||||
resend.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 76.76.21.21🇺🇸 Amazon76.76.21.0/24 EC2 Prefix | ||||||
| NS | houston.ns.cloudflare.com ⭐ | ||||||
| NS | nora.ns.cloudflare.com | ||||||
| MX | inbound-smtp.us-east-1.amazonaws.com ⭐ | ||||||
| TXT | google-site-verification=s1oyJ1u3ctq2_lytmgb4JBOgOXsv092dh5sdKRBqOG0 | ||||||
| TXT | v=spf1 include:_spf.google.com -all | ||||||
| SOA | houston.ns.cloudflare.comdns@cloudflare.com serial=2399619439 | ||||||
⚠️ On DNS blocklist: pro.plus, ultimate
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●CNAMEcname.vercel-dns.com2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 04:00:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | 10 records |
| resend.dev | nora.ns.cloudflare.com, houston.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.213
NS records: nora.ns.cloudflare.com, houston.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for resend.dev (unsigned zone)
⏱️ Timing
Total: 856ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | cname.vercel-dns.com |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
IP Addresses
Two IP numbers are pointed to by www.resend.dev: 66.33.60.193 and 76.76.21.241.
other host names include www.autocentro.com.ar, desirideshare.com, manyoffer.com, vinitkumar.me and maximusderba.com; they share IP numbers with www.resend.dev.
Name Servers
www.resend.dev delegates to four name servers: ns1.vercel-dns-3.com, ns2.vercel-dns-3.com, ns3.vercel-dns-3.com and ns4.vercel-dns-3.com.
www.resend.dev shares name servers with other domains at least partially, for instance vercel-dns-3.com, cname.vercel-dns.com, now.sh and vercel.app.
Host names with two IP numbers: ns1.vercel-dns-3.com points to 2600:9000:5301:5c00::1 and 205.251.193.92; ns2.vercel-dns-3.com points to 2600:9000:5302:9500::1 and 205.251.194.149; ns3.vercel-dns-3.com points to 2600:9000:5305:7400::1 and 205.251.197.116; ns4.vercel-dns-3.com points to 2600:9000:5307:3c00::1 and 205.251.199.60.