mail.study-java.com - robtex.com
mail.study-java.com
| DNSSEC | β οΈ Not signed | ||||||
| A | 138.128.220.66πΊπΈ IT-1138.128.220.0/22 AS25820 | ||||||
| PTR | 138.128.220.66.16clouds.com | ||||||
study-java.com
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3030::6815:46e7πΊπΈ Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:a8bcπΊπΈ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.70.231Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.168.188πΊπΈ Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | noel.ns.cloudflare.com β | ||||||
| NS | tina.ns.cloudflare.com | ||||||
| MX | mail.study-java.com β | ||||||
| TXT | v=spf1 mx ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.70.231, 172.67.168.188 | ||||||
| IPv6 hints | 2606:4700:3030::6815:46e7, 2606:4700:3035::ac43:a8bc | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=254, name=cloudflare-ech.com | ||||||
| SOA | noel.ns.cloudflare.comdns@cloudflare.com serial=2413294752 | ||||||
MX for
Same first word
Similar names
Previous names
Next names
DNS History
2 records (1 active, 1 former)
βA138.128.220.662026-03-01 β 2026-08-30 Β· 2 obs
β 2026-03-01 00:09:10
β 2026-08-30 15:22:12
β 2026-08-30 15:22:12
βA66.98.123.1822026-03-01 β 2026-08-30 Β· 2 obs
β 2026-03-01 00:09:10
β 2026-08-30 15:22:12
β 2026-08-30 15:22:12
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| study-java.com | tina.ns.cloudflare.com, noel.ns.cloudflare.com | 12 records |
β Authoritative Response
Server:108.162.193.216
NS records: tina.ns.cloudflare.com, noel.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for study-java.com (unsigned zone)
β±οΈ Timing
Total: 231ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 138.128.220.66 |
π Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (tina.ns.cloudflare.com, tina.ns.cloudflare.com, tina.ns.cloudflare.com...)
Analysis
Mail Server Role
mail.study-java.com is a mail server for study-java.com.
IP Addresses
mail.study-java.com directs to one IP number, which is 138.128.220.66.