www.corewebprogramming.com - dns.ninja

www.corewebprogramming.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:3e6e🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:df59🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.62.110Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.223.89🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.62.110, 172.67.223.89
IPv6 hints2606:4700:3033::6815:3e6e, 2606:4700:3033::ac43:df59
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=188, name=cloudflare-ech.com

corewebprogramming.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:3e6e🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:df59🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.62.110Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.223.89🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrenna.ns.cloudflare.com ⭐
NSoswald.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.62.110, 172.67.223.89
IPv6 hints2606:4700:3033::6815:3e6e, 2606:4700:3033::ac43:df59
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=216, name=cloudflare-ech.com
SOAbrenna.ns.cloudflare.comdns@cloudflare.com serial=2406522324

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DNS History

12 records (4 active, 8 former)

20162017201820192020202120222023202420252026MXmail-in.kattare.comA104.21.62.110172.67.223.892606:4700:3033::6815:3e6e2606:4700:3033::ac43:df59188.114.96.0188.114.97.0208.95.105.312606:4700:3032::ac43:df592a06:98c1:3120::2a06:98c1:3121::CNAMEsobek.kattare.com
○MXmail-in.kattare.com2015-10-18 → 2026-02-17 · 4 obs
● 2015-10-18 06:04:10
● 2026-02-17 04:12:26
○ 2026-02-17 10:27:52
○ 2026-07-23 22:04:22
●A104.21.62.1102026-02-17 → 2026-07-23 · 7 obs
○ 2017-03-30 04:49:18
● 2026-02-17 04:12:26
● 2026-04-26 12:47:34
○ 2026-05-05 15:39:18
○ 2026-05-12 12:20:28
● 2026-05-12 13:31:58
● 2026-07-23 22:04:22
●A172.67.223.892026-02-17 → 2026-07-23 · 7 obs
○ 2017-03-30 04:49:18
● 2026-02-17 04:12:26
● 2026-04-26 12:47:34
○ 2026-05-05 15:39:18
○ 2026-05-12 12:20:28
● 2026-05-12 13:31:58
● 2026-07-23 22:04:22
○A188.114.96.02026-05-05 → 2026-05-12 · 5 obs
○ 2026-04-26 12:47:34
● 2026-05-05 15:39:18
● 2026-05-12 12:20:28
○ 2026-05-12 13:31:58
○ 2026-07-23 22:04:22
○A188.114.97.02026-05-05 → 2026-05-12 · 5 obs
○ 2026-04-26 12:47:34
● 2026-05-05 15:39:18
● 2026-05-12 12:20:28
○ 2026-05-12 13:31:58
○ 2026-07-23 22:04:22
○A208.95.105.312015-05-26 → 2017-03-30 · 4 obs
● 2015-05-26 02:26:30
● 2017-03-30 04:49:18
○ 2026-02-17 04:12:26
○ 2026-07-23 22:04:22
○A2606:4700:3032::ac43:df592026-02-17 → 2026-06-13 · 9 obs
○ 2017-03-30 04:49:18
● 2026-02-17 04:12:26
● 2026-04-26 12:47:34
○ 2026-05-05 15:39:18
○ 2026-05-12 12:20:28
● 2026-05-12 13:31:58
● 2026-06-13 14:34:34
○ 2026-06-29 03:39:38
○ 2026-07-23 22:04:22
●A2606:4700:3033::6815:3e6e2026-02-17 → 2026-07-23 · 7 obs
○ 2017-03-30 04:49:18
● 2026-02-17 04:12:26
● 2026-04-26 12:47:34
○ 2026-05-05 15:39:18
○ 2026-05-12 12:20:28
● 2026-05-12 13:31:58
● 2026-07-23 22:04:22
●A2606:4700:3033::ac43:df592026-06-29 → 2026-07-23 · 3 obs
○ 2026-06-13 14:34:34
● 2026-06-29 03:39:38
● 2026-07-23 22:04:22
○A2a06:98c1:3120::2026-05-05 → 2026-05-12 · 5 obs
○ 2026-04-26 12:47:34
● 2026-05-05 15:39:18
● 2026-05-12 12:20:28
○ 2026-05-12 13:31:58
○ 2026-07-23 22:04:22
○A2a06:98c1:3121::2026-05-05 → 2026-05-12 · 5 obs
○ 2026-04-26 12:47:34
● 2026-05-05 15:39:18
● 2026-05-12 12:20:28
○ 2026-05-12 13:31:58
○ 2026-07-23 22:04:22
○CNAMEsobek.kattare.com2015-05-26 → 2026-02-17 · 4 obs
● 2015-05-26 02:26:30
● 2026-02-17 04:12:26
○ 2026-02-17 10:27:52
○ 2026-07-23 22:04:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
corewebprogramming.comoswald.ns.cloudflare.com, brenna.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.176

NS records: oswald.ns.cloudflare.com, brenna.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for corewebprogramming.com (unsigned zone)

⏱️ Timing

Total: 164ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.223.89, 104.21.62.110
AAAA22606:4700:3033::6815:3e6e, 2606:4700:3033::ac43:df59
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

www.corewebprogramming.com has four IP addresses: 104.21.62.110, 172.67.223.89, 2606:4700:3033::6815:3e6e and 2606:4700:3033::ac43:df59.

mail.banima.ir, publicoriuma.org, tr.machotube.tv plus two other host names have IP numbers in common with www.corewebprogramming.com.