mail.expert-programming-tutor.com - dns.ninja

mail.expert-programming-tutor.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:4a8d🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:9efb🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.74.141Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.158.251🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.74.141, 172.67.158.251
IPv6 hints2606:4700:3033::6815:4a8d, 2606:4700:3036::ac43:9efb
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=193, name=cloudflare-ech.com

expert-programming-tutor.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:4a8d🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:9efb🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.74.141Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.158.251🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSrudy.ns.cloudflare.com ⭐
NStia.ns.cloudflare.com
TXTgoogle-site-verification=AV6lJ5o7Dv9plDUXWmoCvYMXVcmwqLX1RLdDKg7x43Y
TXTv=spf1 a mx ip4:119.59.104.14 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.74.141, 172.67.158.251
IPv6 hints2606:4700:3033::6815:4a8d, 2606:4700:3036::ac43:9efb
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=193, name=cloudflare-ech.com
SOArudy.ns.cloudflare.comdns@cloudflare.com serial=2411132036

Previously MX for

expert-programming-tutor.com

Same first word

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DNS History

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026A104.21.74.141172.67.158.2512606:4700:3033::6815:4a8d2606:4700:3036::ac43:9efb119.59.104.14122.155.10.172
●A104.21.74.1412026-08-03 → 2026-08-03 · 2 obs
○ 2016-04-18 22:08:30
● 2026-08-03 19:34:54
○A119.59.104.142016-04-18 → 2016-04-18 · 3 obs
○ 2016-01-20 19:21:00
● 2016-04-18 22:08:30
○ 2026-08-03 19:34:54
○A122.155.10.1722015-06-29 → 2016-01-20 · 4 obs
● 2015-06-29 11:16:10
● 2016-01-20 19:21:00
○ 2016-04-18 22:08:30
○ 2026-08-03 19:34:54
●A172.67.158.2512026-08-03 → 2026-08-03 · 2 obs
○ 2016-04-18 22:08:30
● 2026-08-03 19:34:54
●A2606:4700:3033::6815:4a8d2026-08-03 → 2026-08-03 · 2 obs
○ 2016-04-18 22:08:30
● 2026-08-03 19:34:54
●A2606:4700:3036::ac43:9efb2026-08-03 → 2026-08-03 · 2 obs
○ 2016-04-18 22:08:30
● 2026-08-03 19:34:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
expert-programming-tutor.comtia.ns.cloudflare.com, rudy.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.229

NS records: tia.ns.cloudflare.com, rudy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for expert-programming-tutor.com (unsigned zone)

⏱️ Timing

Total: 946ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.158.251, 104.21.74.141
AAAA22606:4700:3033::6815:4a8d, 2606:4700:3036::ac43:9efb
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.expert-programming-tutor.com points to the four IP addresses 104.21.74.141, 172.67.158.251, 2606:4700:3033::6815:4a8d and 2606:4700:3036::ac43:9efb.

Among the host names that share IP numbers with mail.expert-programming-tutor.com are mx.iloadstar.com, hurth.com, dlfzx.net and two others.