smtp.dougco.com - robtex.com
smtp.dougco.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 209.237.2.250🇺🇸 Hypersurf-AS17403209.237.0.0/18 Hypersurf | ||||||
| PTR | mail.dougco.com | ||||||
dougco.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:aead🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::6815:1f1a🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.31.26Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.174.173🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | priscilla.ns.cloudflare.com ⭐ | ||||||
| NS | rocco.ns.cloudflare.com | ||||||
| MX | mail.dougco.com ⭐ | ||||||
| TXT | google-site-verification=kmsAyUppZphPzma9A5T8AQPCxg1LJby28L0q9_d9LgA | ||||||
| TXT | v=spf1 mx a:mail.dougco.com a:mail2.dougco.com a:mail3.dougco.com include:spf... | ||||||
| HTTPS | HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.31.26, 172.67.174.173 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:aead, 2606:4700:3033::6815:1f1a | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=222, name=cloudflare-ech.com | ||||||
| SOA | priscilla.ns.cloudflare.comdns@cloudflare.com serial=2412140133 | ||||||
Previously MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A209.237.2.2502015-06-29 → 2026-08-14 · 2 obs
● 2015-06-29 11:16:16
● 2026-08-14 22:59:56
● 2026-08-14 22:59:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net... | - |
| dougco.com | priscilla.ns.cloudflare.com, rocco.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.194.189
NS records: priscilla.ns.cloudflare.com, rocco.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dougco.com (unsigned zone)
⏱️ Timing
Total: 94ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.237.2.250 |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (priscilla.ns.cloudflare.com, priscilla.ns.cloudflare.com, priscilla.ns.cloudflare.com...)
Analysis
IP Addresses
smtp.dougco.com has exactly one IP address — 209.237.2.250.
Other host names, such as mail.dougco.com, share IP numbers with smtp.dougco.com.