mail.certifiedmastertech.com - robtex.com
mail.certifiedmastertech.com
| DNSSEC | β οΈ Not signed | ||||||
certifiedmastertech.com
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3033::ac43:cd99πΊπΈ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3034::6815:5579πΊπΈ Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.85.121Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.205.153πΊπΈ Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | amir.ns.cloudflare.com β | ||||||
| NS | lana.ns.cloudflare.com | ||||||
| MX | mx1.certifiedmastertech.com β | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.85.121, 172.67.205.153 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:cd99, 2606:4700:3034::6815:5579 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=81, name=cloudflare-ech.com | ||||||
| SOA | amir.ns.cloudflare.comdns@cloudflare.com serial=2401367592 | ||||||
Previously MX for
Same first word
Similar names
DNS History
1 record (0 active, 1 former)
βA142.4.16.72017-02-06 β 2017-02-06 Β· 2 obs
β 2017-02-06 19:08:34
β 2026-04-24 22:02:16
β 2026-04-24 22:02:16
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... | - |
| certifiedmastertech.com | amir.ns.cloudflare.com, lana.ns.cloudflare.com | 12 records |
β Authoritative Response
Server:108.162.193.62
NS records: amir.ns.cloudflare.com, lana.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for certifiedmastertech.com (unsigned zone)
β±οΈ Timing
Total: 63ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|
π Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (amir.ns.cloudflare.com, amir.ns.cloudflare.com, amir.ns.cloudflare.com...)