programsthatwork.net - dns.ninja

programsthatwork.net

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:bced🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:3922🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.57.34Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.188.237🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdale.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b5f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdale.ns.cloudflare.com
A2803:f800:50::6ca2:c15f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdale.ns.cloudflare.com
A2a06:98c1:50::ac40:215f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdale.ns.cloudflare.com
A108.162.193.95🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdale.ns.cloudflare.com
A172.64.33.95🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdale.ns.cloudflare.com
A173.245.59.95🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdale.ns.cloudflare.com
NSdiva.ns.cloudflare.com
A2606:4700:50::adf5:3a61🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdiva.ns.cloudflare.com
A2803:f800:50::6ca2:c061🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdiva.ns.cloudflare.com
A2a06:98c1:50::ac40:2061🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdiva.ns.cloudflare.com
A108.162.192.97🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdiva.ns.cloudflare.com
A172.64.32.97🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdiva.ns.cloudflare.com
A173.245.58.97🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdiva.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.57.34, 172.67.188.237
IPv6 hints2606:4700:3030::ac43:bced, 2606:4700:3034::6815:3922
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=177, name=cloudflare-ech.com
SOAdale.ns.cloudflare.comdns@cloudflare.com serial=2406703891

net

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1783194261

Same first word

programsthatwork.net

DNS History

16 records (6 active, 10 former)

20162017201820192020202120222023202420252026NSdale.ns.cloudflare.comdiva.ns.cloudflare.comns79.worldnic.comns80.worldnic.comMXp.webcom.ctmail.comA104.21.57.34172.67.188.2372606:4700:3030::ac43:bced2606:4700:3034::6815:3922188.114.96.0188.114.97.0208.91.197.272606:4700:3031::ac43:bced2606:4700:3033::6815:39222a06:98c1:3120::2a06:98c1:3121::
●NSdale.ns.cloudflare.com2026-03-28 → 2026-07-04 · 3 obs
○ 2020-03-08 12:22:04
● 2026-03-28 01:13:20
● 2026-07-04 20:11:02
●NSdiva.ns.cloudflare.com2026-03-28 → 2026-07-04 · 3 obs
○ 2020-03-08 12:22:04
● 2026-03-28 01:13:20
● 2026-07-04 20:11:02
○NSns79.worldnic.com2015-04-22 → 2020-03-08 · 4 obs
● 2015-04-22 04:27:02
● 2020-03-08 12:22:04
○ 2026-03-28 01:13:20
○ 2026-07-04 20:11:02
○NSns80.worldnic.com2015-04-22 → 2020-03-08 · 4 obs
● 2015-04-22 04:27:02
● 2020-03-08 12:22:04
○ 2026-03-28 01:13:20
○ 2026-07-04 20:11:02
○MXp.webcom.ctmail.com2016-01-01 → 2017-04-02 · 4 obs
● 2016-01-01 13:00:20
● 2017-04-02 03:51:14
○ 2020-03-08 12:22:04
○ 2026-07-04 20:11:02
●A104.21.57.342026-03-28 → 2026-07-04 · 9 obs
○ 2020-03-08 12:22:04
● 2026-03-28 01:13:20
● 2026-04-30 22:59:04
○ 2026-05-02 12:28:40
● 2026-05-09 16:18:18
● 2026-06-02 20:37:20
○ 2026-06-04 09:25:08
● 2026-06-11 08:21:08
● 2026-07-04 20:11:02
●A172.67.188.2372026-03-28 → 2026-07-04 · 9 obs
○ 2020-03-08 12:22:04
● 2026-03-28 01:13:20
● 2026-04-30 22:59:04
○ 2026-05-02 12:28:40
● 2026-05-09 16:18:18
● 2026-06-02 20:37:20
○ 2026-06-04 09:25:08
● 2026-06-11 08:21:08
● 2026-07-04 20:11:02
○A188.114.96.02026-05-02 → 2026-06-04 · 8 obs
○ 2026-03-28 01:13:20
○ 2026-04-30 22:59:04
● 2026-05-02 12:28:40
○ 2026-05-09 16:18:18
○ 2026-06-02 20:37:20
● 2026-06-04 09:25:08
○ 2026-06-11 08:21:08
○ 2026-07-04 20:11:02
○A188.114.97.02026-05-02 → 2026-06-04 · 8 obs
○ 2026-03-28 01:13:20
○ 2026-04-30 22:59:04
● 2026-05-02 12:28:40
○ 2026-05-09 16:18:18
○ 2026-06-02 20:37:20
● 2026-06-04 09:25:08
○ 2026-06-11 08:21:08
○ 2026-07-04 20:11:02
○A208.91.197.272015-04-22 → 2020-03-08 · 4 obs
● 2015-04-22 04:27:02
● 2020-03-08 12:22:04
○ 2026-03-28 01:13:20
○ 2026-07-04 20:11:02
●A2606:4700:3030::ac43:bced2026-06-25 → 2026-07-04 · 3 obs
○ 2026-06-11 08:21:08
● 2026-06-25 12:50:36
● 2026-07-04 20:11:02
○A2606:4700:3031::ac43:bced2026-03-28 → 2026-06-11 · 10 obs
○ 2020-03-08 12:22:04
● 2026-03-28 01:13:20
● 2026-04-30 22:59:04
○ 2026-05-02 12:28:40
● 2026-05-09 16:18:18
● 2026-06-02 20:37:20
○ 2026-06-04 09:25:08
● 2026-06-11 08:21:08
○ 2026-06-25 12:50:36
○ 2026-07-04 20:11:02
○A2606:4700:3033::6815:39222026-03-28 → 2026-06-11 · 10 obs
○ 2020-03-08 12:22:04
● 2026-03-28 01:13:20
● 2026-04-30 22:59:04
○ 2026-05-02 12:28:40
● 2026-05-09 16:18:18
● 2026-06-02 20:37:20
○ 2026-06-04 09:25:08
● 2026-06-11 08:21:08
○ 2026-06-25 12:50:36
○ 2026-07-04 20:11:02
●A2606:4700:3034::6815:39222026-06-25 → 2026-07-04 · 3 obs
○ 2026-06-11 08:21:08
● 2026-06-25 12:50:36
● 2026-07-04 20:11:02
○A2a06:98c1:3120::2026-05-02 → 2026-06-04 · 8 obs
○ 2026-03-28 01:13:20
○ 2026-04-30 22:59:04
● 2026-05-02 12:28:40
○ 2026-05-09 16:18:18
○ 2026-06-02 20:37:20
● 2026-06-04 09:25:08
○ 2026-06-11 08:21:08
○ 2026-07-04 20:11:02
○A2a06:98c1:3121::2026-05-02 → 2026-06-04 · 8 obs
○ 2026-03-28 01:13:20
○ 2026-04-30 22:59:04
● 2026-05-02 12:28:40
○ 2026-05-09 16:18:18
○ 2026-06-02 20:37:20
● 2026-06-04 09:25:08
○ 2026-06-11 08:21:08
○ 2026-07-04 20:11:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neti.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net...-
programsthatwork.netdale.ns.cloudflare.com, diva.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.97

NS records: dale.ns.cloudflare.com, diva.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for programsthatwork.net (unsigned zone)

⏱️ Timing

Total: 331ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.188.237, 104.21.57.34
AAAA22606:4700:3034::6815:3922, 2606:4700:3030::ac43:bced
NS2dale.ns.cloudflare.com, diva.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dale.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

programsthatwork.net resolves to four IP addresses: 104.21.57.34, 172.67.188.237, 2606:4700:3030::ac43:bced and 2606:4700:3034::6815:3922.

Two other host names, along with sojournixpharma.com, liftmax.co.th and www.elitecoach.com.cdn.cloudflare.net, also share IP numbers with programsthatwork.net.

Name Servers

programsthatwork.net has two authoritative name servers — dale.ns.cloudflare.com and diva.ns.cloudflare.com.

programsthatwork.net shares its NS records with other domains, for example commandiv.com, yujieheatpress.com, selectmedia.org and two others.

programsthatwork.net partially shares its NS delegation with several other domains, including layelectronicfirst.club, djchuang.com, shenwanrong.com and two others.

These name servers regularly co-occur with the name servers chelsea.ns.cloudflare.com, dean.ns.cloudflare.com and becky.ns.cloudflare.com.

DNS names with 6 IP addresses:

dale.ns.cloudflare.com points to 108.162.193.95, 172.64.33.95, 173.245.59.95 and 3 other IP addresses.

diva.ns.cloudflare.com points to 108.162.192.97, 172.64.32.97, 173.245.58.97 and 3 other IP addresses.