comms.knowledgebrief.com - dns.ninja

comms.knowledgebrief.com

CNAMEmandrillapp.com
DNSSEC⚠️ Not signed
A15.197.175.4πŸ‡ΊπŸ‡Έ Amazon15.197.160.0/20
PTRa2243e67b0c12f62f.awsglobalaccelerator.com
A76.223.125.47πŸ‡ΊπŸ‡Έ Amazon76.223.112.0/20
NSns-720.awsdns-26.net ⭐
A2600:9000:5302:d000::1πŸ‡ΊπŸ‡Έ Amazon2600:9000:5302::/48 - CloudFront
PTRns-720.awsdns-26.net
A205.251.194.208πŸ‡ΊπŸ‡Έ Amazon205.251.194.0/24 prefix
PTRns-720.awsdns-26.net
NSns-1127.awsdns-12.org
A2600:9000:5304:6700::1πŸ‡ΊπŸ‡Έ Amazon2600:9000:5304::/48 - CloudFront
PTRns-1127.awsdns-12.org
A205.251.196.103πŸ‡ΊπŸ‡Έ Amazon205.251.196.0/24 prefix
PTRns-1127.awsdns-12.org
NSns-1934.awsdns-49.co.uk
A2600:9000:5307:8e00::1πŸ‡ΊπŸ‡Έ Amazon2600:9000:5307::/48 - CloudFront
PTRns-1934.awsdns-49.co.uk
A205.251.199.142πŸ‡ΊπŸ‡Έ Amazon205.251.199.0/24 prefix
PTRns-1934.awsdns-49.co.uk
NSns-289.awsdns-36.com
A2600:9000:5301:2100::1πŸ‡ΊπŸ‡Έ Amazon2600:9000:5301::/48 - CloudFront
PTRns-289.awsdns-36.com
A205.251.193.33πŸ‡ΊπŸ‡Έ Amazon205.251.193.0/24 prefix
PTRns-289.awsdns-36.com
MX9656353.in1.mandrillapp.com ⭐
A44.239.226.101πŸ‡ΊπŸ‡Έ Amazon44.224.0.0/11 EC2 PDX prefix
PTRec2-44-239-226-101.us-west-2.compute.amazonaws.com
A100.20.51.185πŸ‡ΊπŸ‡Έ Amazon100.20.0.0/14 EC2 PDX prefix
PTRec2-100-20-51-185.us-west-2.compute.amazonaws.com
MX9656353.in2.mandrillapp.com(20)
A44.239.226.101πŸ‡ΊπŸ‡Έ Amazon44.224.0.0/11 EC2 PDX prefix
PTRec2-44-239-226-101.us-west-2.compute.amazonaws.com
A100.20.51.185πŸ‡ΊπŸ‡Έ Amazon100.20.0.0/14 EC2 PDX prefix
PTRec2-100-20-51-185.us-west-2.compute.amazonaws.com
TXTgoogle-site-verification=2dux36j2swb0zcDthVB4cvIakenujxPx2S1DGvOvhpo
TXTv=spf1 include:spf.mandrillapp.com ~all
TXTyahoo-verification-key=J0O8RUMRbvSyIUKQS6MEPRheM44S/KBgM/v+/5AK23o=
TXTzscaler-verification-42108621-14012026-AQOWfARRgh
SOAns-720.awsdns-26.netawsdns-hostmaster@amazon.com serial=1

knowledgebrief.com

DNSSEC⚠️ Not signed
A2606:4700:20::681a:c7fπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:20::681a:d7fπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:20::ac43:4436πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.26.12.127Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.26.13.127Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.68.54πŸ‡ΊπŸ‡Έ Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSerin.ns.cloudflare.com ⭐
NSmario.ns.cloudflare.com
MXknowledgebrief-com.mail.protection.outlook.com ⭐
TXT9vq7sd1rptgacthvhhrkf1uele
TXTMS=ms97576306
TXTSendinblue-code:e1192caf695aeec1174fc1cfa5a05fea
TXTbrevo-code:7743a25d383278ff3986536ad2fb245d
TXTbrevo-code:a4fe15275560a49cf5d79362c7a0d24b
TXTbrevo-code:cf38c7a24bc90ef5d5b513dd20405e29
TXTbrevo-code:f50e88b340c69b2b073b6be5c9eddeb0
TXTdetectify-verification=3051b22b33283b1e88a0e693f7b914d2
TXTgoogle-site-verification=4t6UGLzWp1F-BkbbMIMv4Cvyq_ZgWybbaEMCU7tNjDU
TXTgoogle-site-verification=WoX5S00TmKEaa44XcLcoNel7AW4acOhYlN5sWMtv7zY
TXTgoogle-site-verification=kgTUOpbtGOTVP2yy33JIgGPrfzPWuLqQgy7e5z5oZEg
TXTv=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include...
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.26.12.127, 104.26.13.127, 172.67.68.54
IPv6 hints2606:4700:20::681a:c7f, 2606:4700:20::681a:d7f, 2606:4700:20::ac43:4436
SOAerin.ns.cloudflare.comdns@cloudflare.com serial=2410121068

Same first word

Similar names

DNS History

1 record (1 active, 0 former)

CNAMEmandrillapp.com
●CNAMEmandrillapp.com2026-03-30 β†’ 2026-08-09 Β· 2 obs
● 2026-03-30 08:28:14
● 2026-08-09 23:58:10

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
knowledgebrief.comerin.ns.cloudflare.com, mario.ns.cloudflare.com12 records

βœ… Authoritative Response

Server:108.162.192.113

NS records: erin.ns.cloudflare.com, mario.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgebrief.com (unsigned zone)

⏱️ Timing

Total: 154ms | Queries: -

πŸ“„ Records

TypeCountSample Data
CNAME1mandrillapp.com

πŸ“Œ Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (erin.ns.cloudflare.com, erin.ns.cloudflare.com, erin.ns.cloudflare.com...)

Analysis

IP Addresses

comms.knowledgebrief.com directs to two IP numbers, 15.197.175.4 and 76.223.125.47

Among others, mandrillapp.com, click.numxl.com, a2243e67b0c12f62f.awsglobalaccelerator.com and enewsm.opticsplanet.com resolve to the same IP numbers as comms.knowledgebrief.com.

Name Servers

The domain comms.knowledgebrief.com is delegated to these four name servers: ns-289.awsdns-36.com, ns-720.awsdns-26.net, ns-1127.awsdns-12.org and ns-1934.awsdns-49.co.uk.

comms.knowledgebrief.com has at least partial name server overlap with other domains, such as hospitalvenerables.com, d3h9ri86kneb1h.cloudfront.net, dbwidmmlwm9o2.cloudfront.net and two others.

ns-289.awsdns-36.com, ns-720.awsdns-26.net, ns-1127.awsdns-12.org and ns-1934.awsdns-49.co.uk all point to exactly two IP numbers each: ns-289.awsdns-36.com β†’ 205.251.193.33 and 2600:9000:5301:2100::1; ns-720.awsdns-26.net β†’ 205.251.194.208 and 2600:9000:5302:d000::1; ns-1127.awsdns-12.org β†’ 205.251.196.103 and 2600:9000:5304:6700::1; ns-1934.awsdns-49.co.uk β†’ 205.251.199.142 and 2600:9000:5307:8e00::1.

Mail Servers

The MX records for comms.knowledgebrief.com point to two mail servers: 9656353.in1.mandrillapp.com and 9656353.in2.mandrillapp.com.

comms.knowledgebrief.com uses the same mail servers as mandrillapp.com and click.numxl.com, among others.

comms.knowledgebrief.com has mail servers in common with other domains β€” for example list-dailyalert.org and click.omie.com.br.

These mail servers tend to be used in combination with the mail servers smtp.secureserver.net and mxu3.list-dailyalert.org.

9656353.in1.mandrillapp.com and 9656353.in2.mandrillapp.com share the same two IP addresses β€” 44.239.226.101 and 100.20.51.185.

Both 9656353.in1.mandrillapp.com and 9656353.in2.mandrillapp.com resolve to 44.239.226.101 IP addresses each.

Both 9656353.in1.mandrillapp.com and 9656353.in2.mandrillapp.com resolve to 100.20.51.185 IP addresses each.