www.sourcefour.com - robtex.com
www.sourcefour.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:91f2🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:57cb🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.87.203Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.145.242🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.87.203, 172.67.145.242 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:91f2, 2606:4700:3035::6815:57cb | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=56, name=cloudflare-ech.com | ||||||
sourcefour.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:91f2🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:57cb🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.87.203Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.145.242🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | cory.ns.cloudflare.com ⭐ | ||||||
| NS | sue.ns.cloudflare.com | ||||||
| MX | sourcefour-com.mail.protection.outlook.com ⭐ | ||||||
| TXT | MS=ms38069696 | ||||||
| TXT | v=DMARC1; p=quarantine; rua=mailto:dmarc@resolution-it.com; | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.87.203, 172.67.145.242 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:91f2, 2606:4700:3035::6815:57cb | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=56, name=cloudflare-ech.com | ||||||
| SOA | cory.ns.cloudflare.comdns@cloudflare.com serial=2412036355 | ||||||
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
●A104.21.87.2032026-08-16 → 2026-08-16 · 2 obs
○ 2018-05-16 04:46:24
● 2026-08-16 18:57:06
● 2026-08-16 18:57:06
○A146.66.98.1972018-05-16 → 2018-05-16 · 2 obs
● 2018-05-16 04:46:24
○ 2026-08-16 18:57:06
○ 2026-08-16 18:57:06
○A157.245.160.772026-08-16 → 2026-08-16 · 1 obs
○ 2026-08-16 18:57:06
●A172.67.145.2422026-08-16 → 2026-08-16 · 2 obs
○ 2018-05-16 04:46:24
● 2026-08-16 18:57:06
● 2026-08-16 18:57:06
●A2606:4700:3033::ac43:91f22026-08-16 → 2026-08-16 · 2 obs
○ 2018-05-16 04:46:24
● 2026-08-16 18:57:06
● 2026-08-16 18:57:06
●A2606:4700:3035::6815:57cb2026-08-16 → 2026-08-16 · 2 obs
○ 2018-05-16 04:46:24
● 2026-08-16 18:57:06
● 2026-08-16 18:57:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sourcefour.com | sue.ns.cloudflare.com, cory.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.93
NS records: sue.ns.cloudflare.com, cory.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sourcefour.com (unsigned zone)
⏱️ Timing
Total: 126ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.145.242, 104.21.87.203 |
| AAAA | 2 | 2606:4700:3033::ac43:91f2, 2606:4700:3035::6815:57cb |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (sue.ns.cloudflare.com, sue.ns.cloudflare.com, sue.ns.cloudflare.com...)
Analysis
IP Addresses
www.sourcefour.com points to the four IP addresses 104.21.87.203, 172.67.145.242, 2606:4700:3033::ac43:91f2 and 2606:4700:3035::6815:57cb.
Among the host names that share IP numbers with www.sourcefour.com are www.standrewumc.org, couchguy.club, rmkrs.nl and two others.