chall.com - dns.ninja

chall.com

DNSSEC⚠️ Not signed
A54.225.217.74πŸ‡ΊπŸ‡Έ Amazon54.224.0.0/15 EC2 IAD prefix
PTRec2-54-225-217-74.compute-1.amazonaws.com
NSns-1969.awsdns-54.co.uk ⭐
A2600:9000:5307:b100::1πŸ‡ΊπŸ‡Έ Amazon2600:9000:5307::/48 - CloudFront
PTRns-1969.awsdns-54.co.uk
A205.251.199.177πŸ‡ΊπŸ‡Έ Amazon205.251.199.0/24 prefix
PTRns-1969.awsdns-54.co.uk
NSns-1123.awsdns-12.org
A2600:9000:5304:6300::1πŸ‡ΊπŸ‡Έ Amazon2600:9000:5304::/48 - CloudFront
PTRns-1123.awsdns-12.org
A205.251.196.99πŸ‡ΊπŸ‡Έ Amazon205.251.196.0/24 prefix
PTRns-1123.awsdns-12.org
NSns-155.awsdns-19.com
A2600:9000:5300:9b00::1πŸ‡ΊπŸ‡Έ Amazon2600:9000:5300::/48 - CloudFront
PTRns-155.awsdns-19.com
A205.251.192.155πŸ‡ΊπŸ‡Έ Amazon205.251.192.0/24 prefix
PTRns-155.awsdns-19.com
NSns-736.awsdns-28.net
A2600:9000:5302:e000::1πŸ‡ΊπŸ‡Έ Amazon2600:9000:5302::/48 - CloudFront
PTRns-736.awsdns-28.net
A205.251.194.224πŸ‡ΊπŸ‡Έ Amazon205.251.194.0/24 prefix
PTRns-736.awsdns-28.net
MXchall-com.mail.protection.outlook.com ⭐
A2a01:111:f403:c91d::bπŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-mw2pr02cu00603.inbound.protection.outlook.com
A2a01:111:f403:f802::πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-byapr05cu00400.inbound.protection.outlook.com
A2a01:111:f403:f908::πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-bn1pr21cu00100.inbound.protection.outlook.com
A2a01:111:f403:f908::2πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-bn8pr05cu00102.inbound.protection.outlook.com
A40.93.192.4πŸ‡ΊπŸ‡Έ Microsoft40.80.0.0/12
PTRmail-dm2pr04cu00404.inbound.protection.outlook.com
A52.101.11.7πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sa9pr04cu00107.inbound.protection.outlook.com
A52.101.41.183πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-byapr04cu00307.inbound.protection.outlook.com
A52.101.50.10πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-mw2pr02cu00502.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com include:9106197.spf04.hubspotemail....
SOAns-1969.awsdns-54.co.ukawsdns-hostmaster@amazon.com serial=1

com

WOT: SAFE (60/100)

Subdomains

Same first word

Similar names

DNS History

10 records (6 active, 4 former)

20162017201820192020202120222023202420252026NSns-1123.awsdns-12.orgns-155.awsdns-19.comns-1969.awsdns-54.co.ukns-736.awsdns-28.netns01.worldspice.netns02.worldspice.netMXchall-com.mail.protection.outlook.commx1.emailsrvr.commx2.emailsrvr.comA54.225.217.74
●NSns-1123.awsdns-12.org2026-02-16 β†’ 2026-07-29 Β· 3 obs
β—‹ 2017-04-24 11:57:50
● 2026-02-16 12:56:34
● 2026-07-29 04:13:26
●NSns-155.awsdns-19.com2026-02-16 β†’ 2026-07-29 Β· 3 obs
β—‹ 2017-04-24 11:57:50
● 2026-02-16 12:56:34
● 2026-07-29 04:13:26
●NSns-1969.awsdns-54.co.uk2026-02-16 β†’ 2026-07-29 Β· 3 obs
β—‹ 2017-04-24 11:57:50
● 2026-02-16 12:56:34
● 2026-07-29 04:13:26
●NSns-736.awsdns-28.net2026-02-16 β†’ 2026-07-29 Β· 3 obs
β—‹ 2017-04-24 11:57:50
● 2026-02-16 12:56:34
● 2026-07-29 04:13:26
β—‹NSns01.worldspice.net2015-08-22 β†’ 2017-04-24 Β· 4 obs
● 2015-08-22 18:46:08
● 2017-04-24 11:57:50
β—‹ 2026-02-16 12:56:34
β—‹ 2026-07-29 04:13:26
β—‹NSns02.worldspice.net2015-08-22 β†’ 2017-04-24 Β· 4 obs
● 2015-08-22 18:46:08
● 2017-04-24 11:57:50
β—‹ 2026-02-16 12:56:34
β—‹ 2026-07-29 04:13:26
●MXchall-com.mail.protection.outlook.com2026-02-16 β†’ 2026-07-29 Β· 3 obs
β—‹ 2017-04-24 11:57:50
● 2026-02-16 12:56:34
● 2026-07-29 04:13:26
β—‹MXmx1.emailsrvr.com2015-08-22 β†’ 2017-04-24 Β· 4 obs
● 2015-08-22 18:46:08
● 2017-04-24 11:57:50
β—‹ 2026-02-16 12:56:34
β—‹ 2026-07-29 04:13:26
β—‹MXmx2.emailsrvr.com2015-08-22 β†’ 2017-04-24 Β· 4 obs
● 2015-08-22 18:46:08
● 2017-04-24 11:57:50
β—‹ 2026-02-16 12:56:34
β—‹ 2026-07-29 04:13:26
●A54.225.217.742015-08-22 β†’ 2026-07-29 Β· 2 obs
● 2015-08-22 18:46:08
● 2026-07-29 04:13:26

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
chall.comns-155.awsdns-19.com, ns-736.awsdns-28.net, ns-1123.awsdns-12.org, ns-1969.awsdns-54.co.uk2 records

βœ… Authoritative Response

Server:205.251.196.99

NS records: ns-155.awsdns-19.com, ns-736.awsdns-28.net, ns-1123.awsdns-12.org, ns-1969.awsdns-54.co.uk

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for chall.com (unsigned zone)

⏱️ Timing

Total: 1929ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A154.225.217.74
NS4ns-1123.awsdns-12.org, ns-155.awsdns-19.com...
MX1chall-com.mail.protection.outlook.com (p
TXT1v=spf1 include:spf.protection.outlook.co
SOA1ns-1969.awsdns-54.co.uk awsdns-hostmaste

πŸ“Œ Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-155.awsdns-19.com, ns-155.awsdns-19.com)

Analysis

Hierarchy

chall.com is a parent domain, with mailfilter.chall.com, www.chall.com and ftp.chall.com beneath it.

IP Addresses

chall.com directs to one IP number, which is 54.225.217.74.

www.chall.com, ftp.chall.com and ec2-54-225-217-74.compute-1.amazonaws.com are examples of other host names that share IP numbers with chall.com.

Name Servers

The domain chall.com is delegated to these four name servers: ns-155.awsdns-19.com, ns-736.awsdns-28.net, ns-1123.awsdns-12.org and ns-1969.awsdns-54.co.uk.

chall.com has at least partial name server overlap with other domains, such as horizon.awsapps.com, d2qtw09dret5vt.cloudfront.net, danavipzy01.com and two others.

ns-155.awsdns-19.com, ns-736.awsdns-28.net, ns-1123.awsdns-12.org and ns-1969.awsdns-54.co.uk all point to exactly two IP numbers each: ns-155.awsdns-19.com β†’ 205.251.192.155 and 2600:9000:5300:9b00::1; ns-736.awsdns-28.net β†’ 205.251.194.224 and 2600:9000:5302:e000::1; ns-1123.awsdns-12.org β†’ 205.251.196.99 and 2600:9000:5304:6300::1; ns-1969.awsdns-54.co.uk β†’ 205.251.199.177 and 2600:9000:5307:b100::1.

Mail Servers

chall.com routes its mail through a single mail server, chall-com.mail.protection.outlook.com.

chall-com.mail.protection.outlook.com directs to 8 IP numbers, including 40.93.192.4, 52.101.11.7 and 52.101.41.183, along with 5 other.