mx.amscourseware.com - dns.ninja
mx.amscourseware.com
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3031::6815:123aπΊπΈ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3032::ac43:b46fπΊπΈ Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.18.58Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.180.111πΊπΈ Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.18.58, 172.67.180.111 | ||||||
| IPv6 hints | 2606:4700:3031::6815:123a, 2606:4700:3032::ac43:b46f | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=228, name=cloudflare-ech.com | ||||||
amscourseware.com
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3031::6815:123aπΊπΈ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3032::ac43:b46fπΊπΈ Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.18.58Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.180.111πΊπΈ Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | mckenzie.ns.cloudflare.com β | ||||||
| NS | theo.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.18.58, 172.67.180.111 | ||||||
| IPv6 hints | 2606:4700:3031::6815:123a, 2606:4700:3032::ac43:b46f | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=228, name=cloudflare-ech.com | ||||||
| SOA | mckenzie.ns.cloudflare.comdns@cloudflare.com serial=2407593991 | ||||||
WOT: SAFE (70/100)
Previously MX for
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
βA104.21.18.582026-07-29 β 2026-07-29 Β· 2 obs
β 2016-04-05 20:17:12
β 2026-07-29 16:17:28
β 2026-07-29 16:17:28
βA172.67.180.1112026-07-29 β 2026-07-29 Β· 2 obs
β 2016-04-05 20:17:12
β 2026-07-29 16:17:28
β 2026-07-29 16:17:28
βA2606:4700:3031::6815:123a2026-07-29 β 2026-07-29 Β· 2 obs
β 2016-04-05 20:17:12
β 2026-07-29 16:17:28
β 2026-07-29 16:17:28
βA2606:4700:3032::ac43:b46f2026-07-29 β 2026-07-29 Β· 2 obs
β 2016-04-05 20:17:12
β 2026-07-29 16:17:28
β 2026-07-29 16:17:28
βA66.96.140.942015-06-23 β 2016-01-20 Β· 4 obs
β 2015-06-23 05:31:10
β 2016-01-20 17:32:48
β 2016-04-05 20:17:12
β 2026-07-29 16:17:28
β 2016-01-20 17:32:48
β 2016-04-05 20:17:12
β 2026-07-29 16:17:28
βA66.96.140.952015-06-23 β 2016-01-20 Β· 4 obs
β 2015-06-23 05:31:10
β 2016-01-20 17:32:48
β 2016-04-05 20:17:12
β 2026-07-29 16:17:28
β 2016-01-20 17:32:48
β 2016-04-05 20:17:12
β 2026-07-29 16:17:28
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net... | - |
| amscourseware.com | theo.ns.cloudflare.com, mckenzie.ns.cloudflare.com | 12 records |
β Authoritative Response
Server:108.162.194.253
NS records: theo.ns.cloudflare.com, mckenzie.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for amscourseware.com (unsigned zone)
β±οΈ Timing
Total: 581ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.180.111, 104.21.18.58 |
| AAAA | 2 | 2606:4700:3032::ac43:b46f, 2606:4700:3031::6815:123a |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
π Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (theo.ns.cloudflare.com, theo.ns.cloudflare.com, theo.ns.cloudflare.com...)
Analysis
IP Addresses
mx.amscourseware.com points to the four IP addresses 104.21.18.58, 172.67.180.111, 2606:4700:3031::6815:123a and 2606:4700:3032::ac43:b46f.
windspin.ru, mym789.net, accountsproblem.com and two other host names share IP numbers with mx.amscourseware.com.