mx.amscourseware.com - dns.ninja

mx.amscourseware.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:123aπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3032::ac43:b46fπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.18.58Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.180.111πŸ‡ΊπŸ‡Έ Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.18.58, 172.67.180.111
IPv6 hints2606:4700:3031::6815:123a, 2606:4700:3032::ac43:b46f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=228, name=cloudflare-ech.com

amscourseware.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:123aπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3032::ac43:b46fπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.18.58Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.180.111πŸ‡ΊπŸ‡Έ Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSmckenzie.ns.cloudflare.com ⭐
NStheo.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.18.58, 172.67.180.111
IPv6 hints2606:4700:3031::6815:123a, 2606:4700:3032::ac43:b46f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=228, name=cloudflare-ech.com
SOAmckenzie.ns.cloudflare.comdns@cloudflare.com serial=2407593991
WOT: SAFE (68/100)
WOT: SAFE (70/100)

Previously MX for

Same first word

Similar names

DNS History

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026A104.21.18.58172.67.180.1112606:4700:3031::6815:123a2606:4700:3032::ac43:b46f66.96.140.9466.96.140.95
●A104.21.18.582026-07-29 β†’ 2026-07-29 Β· 2 obs
β—‹ 2016-04-05 20:17:12
● 2026-07-29 16:17:28
●A172.67.180.1112026-07-29 β†’ 2026-07-29 Β· 2 obs
β—‹ 2016-04-05 20:17:12
● 2026-07-29 16:17:28
●A2606:4700:3031::6815:123a2026-07-29 β†’ 2026-07-29 Β· 2 obs
β—‹ 2016-04-05 20:17:12
● 2026-07-29 16:17:28
●A2606:4700:3032::ac43:b46f2026-07-29 β†’ 2026-07-29 Β· 2 obs
β—‹ 2016-04-05 20:17:12
● 2026-07-29 16:17:28
β—‹A66.96.140.942015-06-23 β†’ 2016-01-20 Β· 4 obs
● 2015-06-23 05:31:10
● 2016-01-20 17:32:48
β—‹ 2016-04-05 20:17:12
β—‹ 2026-07-29 16:17:28
β—‹A66.96.140.952015-06-23 β†’ 2016-01-20 Β· 4 obs
● 2015-06-23 05:31:10
● 2016-01-20 17:32:48
β—‹ 2016-04-05 20:17:12
β—‹ 2026-07-29 16:17:28

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net...-
amscourseware.comtheo.ns.cloudflare.com, mckenzie.ns.cloudflare.com12 records

βœ… Authoritative Response

Server:108.162.194.253

NS records: theo.ns.cloudflare.com, mckenzie.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for amscourseware.com (unsigned zone)

⏱️ Timing

Total: 581ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2172.67.180.111, 104.21.18.58
AAAA22606:4700:3032::ac43:b46f, 2606:4700:3031::6815:123a
HTTPS1{"priority":1,"target":".","alpn":["h3",

πŸ“Œ 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.