vercel.upst.dev - robtex.com
vercel.upst.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:440c::ac40:9aec🇺🇸 Cloudflare2606:4700:440c::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2a06:98c1:3109::6812:2114🇺🇸 Cloudflare2a06:98c1:3109::/48 ✓ In HTTPS hints | ||||||
| A | 104.18.33.20Cloudflare104.18.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.64.154.236🇺🇸 Cloudflare172.64.154.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.18.33.20, 172.64.154.236 | ||||||
| IPv6 | 2606:4700:440c::ac40:9aec, 2a06:98c1:3109::6812:2114 | ||||||
upst.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:440c::ac40:9aec🇺🇸 Cloudflare2606:4700:440c::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2a06:98c1:3109::6812:2114🇺🇸 Cloudflare2a06:98c1:3109::/48 ✓ In HTTPS hints | ||||||
| A | 104.18.33.20Cloudflare104.18.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.64.154.236🇺🇸 Cloudflare172.64.154.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | rob.ns.cloudflare.com ⭐ | ||||||
| NS | sara.ns.cloudflare.com | ||||||
| MX | isaac.mx.cloudflare.net ⭐ | ||||||
| MX | amir.mx.cloudflare.net(48) | ||||||
| MX | linda.mx.cloudflare.net(80) | ||||||
| TXT | v=spf1 include:_spf.mx.cloudflare.net ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.18.33.20, 172.64.154.236 | ||||||
| IPv6 | 2606:4700:440c::ac40:9aec, 2a06:98c1:3109::6812:2114 | ||||||
| SOA | rob.ns.cloudflare.comdns@cloudflare.com serial=2397721547 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●A104.18.33.202026-02-27 → 2026-02-28 · 2 obs
● 2026-02-27 20:09:46
● 2026-02-28 14:55:40
● 2026-02-28 14:55:40
●A172.64.154.2362026-02-27 → 2026-02-28 · 2 obs
● 2026-02-27 20:09:46
● 2026-02-28 14:55:40
● 2026-02-28 14:55:40
●A2606:4700:440c::ac40:9aec2026-02-27 → 2026-02-28 · 2 obs
● 2026-02-27 20:09:46
● 2026-02-28 14:55:40
● 2026-02-28 14:55:40
●A2a06:98c1:3109::6812:21142026-02-27 → 2026-02-28 · 2 obs
● 2026-02-27 20:09:46
● 2026-02-28 14:55:40
● 2026-02-28 14:55:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com... | 10 records |
| upst.dev | rob.ns.cloudflare.com, sara.ns.cloudflare.com | - |
✅ Authoritative Response
Server: 173.245.58.144
NS records: rob.ns.cloudflare.com, sara.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for upst.dev (unsigned zone)
⏱️ Timing
Total: 312ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.64.154.236, 104.18.33.20 |
| AAAA | 2 | 2a06:98c1:3109::6812:2114, 2606:4700:440c::ac40:9aec |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
IP Addresses
vercel.upst.dev maps to four IP numbers: 2606:4700:440c::ac40:9aec, 2a06:98c1:3109::6812:2114, 104.18.33.20 and 172.64.154.236.
Other host names, for instance zhu-4769642.q-w-9-k.com, okta-test.datahub.deliveryhero.net, www.acuvue.co.il.cdn.cloudflare.net, www.klarstein.pl and college-park.dev share IP numbers with vercel.upst.dev.