sek637.keystonelearning.org - robtex.com
sek637.keystonelearning.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 198.248.112.65🇺🇸 KANREN-2495198.248.0.0/16 KanREN 2029 Becker Drive Lawrence, KS 66047 | ||||||
| PTR | sek637.keystonelearning.org | ||||||
keystonelearning.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:a2b0🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:59ac🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.89.172Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.162.176🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | bart.ns.cloudflare.com ⭐ | ||||||
| NS | serena.ns.cloudflare.com | ||||||
| MX | aspmx.l.google.com ⭐ | ||||||
| MX | alt1.aspmx.l.google.com(5) | ||||||
| MX | alt2.aspmx.l.google.com(5) | ||||||
| MX | aspmx2.googlemail.com(10) | ||||||
| MX | aspmx3.googlemail.com(10) | ||||||
| TXT | 6soimhb900qo3ucutklqisdftn | ||||||
| TXT | apple-domain-verification=yaXExMA0M4jUD5Ff | ||||||
| TXT | google-site-verification=hj9rdWJKXirpOWVUSZ5CefMhW3kSBZ1PmMP1K0Wriyk | ||||||
| TXT | plucatjf2aitchfss1v4bnquak | ||||||
| TXT | to4655qj6jsil3m6r6strhcep | ||||||
| TXT | v=spf1 a: ip4:198.248.112.0/24 include:_spf.google.com ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.89.172, 172.67.162.176 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:a2b0, 2606:4700:3036::6815:59ac | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=97, name=cloudflare-ech.com | ||||||
| SOA | bart.ns.cloudflare.comdns@cloudflare.com serial=2399533145 | ||||||
DNS History
1 record (1 active, 0 former)
●A198.248.112.652026-04-16 → 2026-05-09 · 2 obs
● 2026-04-16 22:16:08
● 2026-05-09 17:22:24
● 2026-05-09 17:22:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| keystonelearning.org | serena.ns.cloudflare.com, bart.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.220
NS records: serena.ns.cloudflare.com, bart.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for keystonelearning.org (unsigned zone)
⏱️ Timing
Total: 769ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 198.248.112.65 |
Analysis
IP Addresses
sek637.keystonelearning.org points to an IP address: 198.248.112.65.