www.happyprogrammingguide.com - dns.ninja

www.happyprogrammingguide.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:250d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:ca67🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.37.13Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.202.103🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.37.13, 172.67.202.103
IPv6 hints2606:4700:3031::6815:250d, 2606:4700:3035::ac43:ca67
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=99, name=cloudflare-ech.com

happyprogrammingguide.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:250d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:ca67🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.37.13Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.202.103🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScortney.ns.cloudflare.com ⭐
NSdane.ns.cloudflare.com
MXezmail.happyprogrammingguide.com ⭐
TXTahrefs-site-verification_18cd7b5883ba499cd93dc1e32121cfd575745ce8bb210110d53f...
TXTgoogle-site-verification=GO-XwLVUDPYJOn2vBUmm_EZyhN8ysq6X9lrABn7mBfM
TXTv=spf1 +a +mx +ip4:45.79.209.109 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.37.13, 172.67.202.103
IPv6 hints2606:4700:3031::6815:250d, 2606:4700:3035::ac43:ca67
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=99, name=cloudflare-ech.com
SOAcortney.ns.cloudflare.comdns@cloudflare.com serial=2407504906

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DNS History

9 records (4 active, 5 former)

2020202120222023202420252026A104.21.37.13172.67.202.1032606:4700:3031::6815:250d2606:4700:3035::ac43:ca67104.28.16.253104.28.17.2532606:4700:30::681c:10fd2606:4700:30::681c:11fd2606:4700:3033::6815:250d
●A104.21.37.132026-02-16 → 2026-08-05 · 3 obs
○ 2019-01-01 06:55:12
● 2026-02-16 12:06:52
● 2026-08-05 05:15:36
○A104.28.16.2532019-01-01 → 2019-01-01 · 3 obs
● 2019-01-01 06:55:12
○ 2026-02-16 12:06:52
○ 2026-08-05 05:15:36
○A104.28.17.2532019-01-01 → 2019-01-01 · 3 obs
● 2019-01-01 06:55:12
○ 2026-02-16 12:06:52
○ 2026-08-05 05:15:36
●A172.67.202.1032026-02-16 → 2026-08-05 · 3 obs
○ 2019-01-01 06:55:12
● 2026-02-16 12:06:52
● 2026-08-05 05:15:36
○A2606:4700:30::681c:10fd2019-01-01 → 2019-01-01 · 3 obs
● 2019-01-01 06:55:12
○ 2026-02-16 12:06:52
○ 2026-08-05 05:15:36
○A2606:4700:30::681c:11fd2019-01-01 → 2019-01-01 · 3 obs
● 2019-01-01 06:55:12
○ 2026-02-16 12:06:52
○ 2026-08-05 05:15:36
●A2606:4700:3031::6815:250d2026-07-20 → 2026-08-05 · 3 obs
○ 2026-06-10 14:40:56
● 2026-07-20 19:37:34
● 2026-08-05 05:15:36
○A2606:4700:3033::6815:250d2026-02-16 → 2026-06-10 · 5 obs
○ 2019-01-01 06:55:12
● 2026-02-16 12:06:52
● 2026-06-10 14:40:56
○ 2026-07-20 19:37:34
○ 2026-08-05 05:15:36
●A2606:4700:3035::ac43:ca672026-02-16 → 2026-08-05 · 3 obs
○ 2019-01-01 06:55:12
● 2026-02-16 12:06:52
● 2026-08-05 05:15:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
happyprogrammingguide.comcortney.ns.cloudflare.com, dane.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.87

NS records: cortney.ns.cloudflare.com, dane.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for happyprogrammingguide.com (unsigned zone)

⏱️ Timing

Total: 150ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.202.103, 104.21.37.13
AAAA22606:4700:3031::6815:250d, 2606:4700:3035::ac43:ca67
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

www.happyprogrammingguide.com directs to four IP numbers, which are 104.21.37.13, 172.67.202.103, 2606:4700:3031::6815:250d and 2606:4700:3035::ac43:ca67.

f-snakes.com, idac.rj.gov.br, wearethecity.in and two other host names share IP numbers with www.happyprogrammingguide.com.