new.classrunner.com - robtex.com
new.classrunner.com
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | v=spf1 a mx ip4:170.75.162.6 ~all | ||||||
classrunner.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 104.21.92.31Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.185.91🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | dave.ns.cloudflare.com ⭐ | ||||||
| NS | erin.ns.cloudflare.com | ||||||
| MX | mx1.forwardemail.net ⭐ | ||||||
| MX | mx2.forwardemail.net(20) | ||||||
| TXT | forward-email-site-verification=D6EpDwSMK0 | ||||||
| TXT | v=spf1 include:spf.forwardemail.net include:mailgun.org ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.92.31, 172.67.185.91 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=23, name=cloudflare-ech.com | ||||||
| SOA | dave.ns.cloudflare.comdns@cloudflare.com serial=2406082354 | ||||||
Previously MX for
Same first word
Similar names
DNS History
1 record (0 active, 1 former)
○A170.75.162.62015-07-12 → 2016-06-23 · 3 obs
● 2015-07-12 21:03:00
● 2016-06-23 17:52:46
○ 2026-07-15 20:41:04
● 2016-06-23 17:52:46
○ 2026-07-15 20:41:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net... | - |
| classrunner.com | dave.ns.cloudflare.com, erin.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.109
NS records: dave.ns.cloudflare.com, erin.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for classrunner.com (unsigned zone)
⏱️ Timing
Total: 327ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| TXT | 1 | v=spf1 a mx ip4:170.75.162.6 ~all |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (dave.ns.cloudflare.com, dave.ns.cloudflare.com, dave.ns.cloudflare.com...)