challengeworks.org - robtex.com

challengeworks.org

DNSSEC⚠️ Not signed
A2606:4700:20::681a:e3b🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::681a:f3b🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::ac43:460e🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.14.59Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.15.59Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.70.14🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NShope.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3aa3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhope.ns.cloudflare.com
A2803:f800:50::6ca2:c0a3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRhope.ns.cloudflare.com
A2a06:98c1:50::ac40:20a3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRhope.ns.cloudflare.com
A108.162.192.163🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhope.ns.cloudflare.com
A172.64.32.163🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhope.ns.cloudflare.com
A173.245.58.163🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhope.ns.cloudflare.com
NSphil.ns.cloudflare.com
A2606:4700:58::adf5:3b89🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRphil.ns.cloudflare.com
A2803:f800:50::6ca2:c189🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRphil.ns.cloudflare.com
A2a06:98c1:50::ac40:2189🇺🇸 Cloudflare2a06:98c1:50::/45
PTRphil.ns.cloudflare.com
A108.162.193.137🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRphil.ns.cloudflare.com
A172.64.33.137🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRphil.ns.cloudflare.com
A173.245.59.137🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRphil.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c1d::1b🇺🇸 Google2607:f8b0:4004::/48
PTRww-in-f27.1e100.net
A172.253.63.27🇺🇸 Google172.253.63.0/24
PTRbi-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1b🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.27🇺🇸 Google173.194.76.0/24
PTRws-in-f27.1e100.net
TXTgoogle-site-verification=N7Yh7SkNTszuNntdGnCtU74cOBmS9g8ksUASgy0VrxI
TXTv=spf1 include:dc-aa8e722993._spfm.challengeworks.org ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.26.14.59, 104.26.15.59, 172.67.70.14
IPv6 hints2606:4700:20::681a:e3b, 2606:4700:20::681a:f3b, 2606:4700:20::ac43:460e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=136, name=cloudflare-ech.com
SOAhope.ns.cloudflare.comdns@cloudflare.com serial=2401647651

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1776607324
rank #887969 globally
rank #65784 in the tld

Same first word

challengeworks.org

DNS History

13 records (13 active, 0 former)

NShope.ns.cloudflare.comphil.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA104.26.14.59104.26.15.59172.67.70.142606:4700:20::681a:e3b2606:4700:20::681a:f3b2606:4700:20::ac43:460e
●NShope.ns.cloudflare.com2026-02-28 → 2026-04-19 · 2 obs
● 2026-02-28 20:02:34
● 2026-04-19 14:44:38
●NSphil.ns.cloudflare.com2026-02-28 → 2026-04-19 · 2 obs
● 2026-02-28 20:02:34
● 2026-04-19 14:44:38
●MXalt1.aspmx.l.google.com2026-02-28 → 2026-04-19 · 2 obs
● 2026-02-28 20:02:34
● 2026-04-19 14:44:38
●MXalt2.aspmx.l.google.com2026-02-28 → 2026-04-19 · 2 obs
● 2026-02-28 20:02:34
● 2026-04-19 14:44:38
●MXalt3.aspmx.l.google.com2026-02-28 → 2026-04-19 · 2 obs
● 2026-02-28 20:02:34
● 2026-04-19 14:44:38
●MXalt4.aspmx.l.google.com2026-02-28 → 2026-04-19 · 2 obs
● 2026-02-28 20:02:34
● 2026-04-19 14:44:38
●MXaspmx.l.google.com2026-02-28 → 2026-04-19 · 2 obs
● 2026-02-28 20:02:34
● 2026-04-19 14:44:38
●A104.26.14.592026-02-28 → 2026-04-19 · 2 obs
● 2026-02-28 20:02:34
● 2026-04-19 14:44:38
●A104.26.15.592026-02-28 → 2026-04-19 · 2 obs
● 2026-02-28 20:02:34
● 2026-04-19 14:44:38
●A172.67.70.142026-02-28 → 2026-04-19 · 2 obs
● 2026-02-28 20:02:34
● 2026-04-19 14:44:38
●A2606:4700:20::681a:e3b2026-02-28 → 2026-04-19 · 2 obs
● 2026-02-28 20:02:34
● 2026-04-19 14:44:38
●A2606:4700:20::681a:f3b2026-02-28 → 2026-04-19 · 2 obs
● 2026-02-28 20:02:34
● 2026-04-19 14:44:38
●A2606:4700:20::ac43:460e2026-02-28 → 2026-04-19 · 2 obs
● 2026-02-28 20:02:34
● 2026-04-19 14:44:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org-
challengeworks.orghope.ns.cloudflare.com, phil.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.163

NS records: hope.ns.cloudflare.com, phil.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for challengeworks.org (unsigned zone)

⏱️ Timing

Total: 748ms | Queries: -

📄 Records

TypeCountSample Data
A3104.26.15.59, 104.26.14.59...
AAAA32606:4700:20::681a:f3b, 2606:4700:20::681a:e3b...
NS2hope.ns.cloudflare.com, phil.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT2google-site-verification=N7Yh7SkNTszuNnt, v=spf1 include:dc-aa8e722993._spfm.chall
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1hope.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

Six IP numbers are pointed to by challengeworks.org: 2606:4700:20::681a:e3b, 2606:4700:20::681a:f3b, 2606:4700:20::ac43:460e, 104.26.14.59, 104.26.15.59 and 172.67.70.14.

Other host names, for instance www.mercubuana.ac.id, images.agentloft.com, nkon.nl, kk.mercubuana.ac.id and mail.jongepier.nl share IP numbers with challengeworks.org.

Name Servers

challengeworks.org is delegated to two name servers: hope.ns.cloudflare.com and phil.ns.cloudflare.com.

challengeworks.org uses the same name server setup as other domains, for instance inboxyz.com, pafikabniassumut.org, northern-arch.com, liveboys.online and kinkariisa.com.

challengeworks.org shares name servers with other domains at least partially, for instance palomabrighton.com, milkontherocks.net, okeeffemuseum.org, consumerredress.com and 11bolabumi.net.

these name servers are commonly used together with anuj.ns.cloudflare.com and jasper.ns.cloudflare.com.

Host names with six IP numbers: hope.ns.cloudflare.com points to 2606:4700:50::adf5:3aa3, 2803:f800:50::6ca2:c0a3, 2a06:98c1:50::ac40:20a3, 108.162.192.163, 172.64.32.163 and 173.245.58.163; phil.ns.cloudflare.com points to 2606:4700:58::adf5:3b89, 2803:f800:50::6ca2:c189, 2a06:98c1:50::ac40:2189, 108.162.193.137, 172.64.33.137 and 173.245.59.137.

Mail Servers

challengeworks.org is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

challengeworks.org shares some mail servers with other domains, including causebox.com, swji.org, ns500693.ns500765.ns500734.ns500693.ns500734.ns500693.ns500693.ns500699.ns500693.ns500588.ns500683.ns500699.ns500699.ns500699.ns500693.ns500699.ns500602.dtrkdll.com, ns500734.ns500734.ns500699.ns500693.ns500699.ns500699.ns500588.ns500693.ns500699.ns500612.ns500588.ns500110.dtrkdll.com and ns500754.ns500671.ns500754.ns500731.ns500742.ns500704.ns500688.ns500671.ns500291.ns500678.ns500649.ns500649.ns500666.ns500142.lusty(0x736c7574)z.com.

these mail servers are commonly used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c1d::1b and 172.253.63.27.

alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1a and 108.177.123.26.

alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1b and 172.253.116.27.

alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1a and 192.178.223.27.

alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 173.194.76.27.