mail.newtontutorials.com - robtex.com

mail.newtontutorials.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:d533🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:1090🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.16.144Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.213.51🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.16.144, 172.67.213.51
IPv6 hints2606:4700:3032::ac43:d533, 2606:4700:3034::6815:1090
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=221, name=cloudflare-ech.com

newtontutorials.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:d533🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:1090🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.16.144Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.213.51🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdora.ns.cloudflare.com ⭐
NSnick.ns.cloudflare.com
MX_dc-mx.c5a745cc7c0e.newtontutorials.com ⭐
TXTv=spf1 a mx include:websitewelcome.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.16.144, 172.67.213.51
IPv6 hints2606:4700:3032::ac43:d533, 2606:4700:3034::6815:1090
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=221, name=cloudflare-ech.com
SOAdora.ns.cloudflare.comdns@cloudflare.com serial=2396561793

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DNS History

14 records (4 active, 10 former)

20162017201820192020202120222023202420252026NSns1.parkingcrew.netns1.sedoparking.comns2.parkingcrew.netns2.sedoparking.comMXexchange.dewile.netmail.nickstel.comA104.21.16.144172.67.213.512606:4700:3032::ac43:d5332606:4700:3034::6815:1090185.53.177.7185.53.177.954.72.9.5172.52.4.91
○NSns1.parkingcrew.net2015-05-19 → 2016-02-04 · 4 obs
● 2015-05-19 22:12:24
● 2016-02-04 16:59:10
○ 2016-06-20 21:47:56
○ 2026-04-14 01:17:16
○NSns1.sedoparking.com2016-06-20 → 2016-06-20 · 4 obs
○ 2016-02-04 16:59:10
● 2016-06-20 21:47:56
○ 2026-03-05 16:25:58
○ 2026-04-14 01:17:16
○NSns2.parkingcrew.net2015-05-19 → 2016-02-04 · 4 obs
● 2015-05-19 22:12:24
● 2016-02-04 16:59:10
○ 2016-06-20 21:47:56
○ 2026-04-14 01:17:16
○NSns2.sedoparking.com2016-06-20 → 2016-06-20 · 4 obs
○ 2016-02-04 16:59:10
● 2016-06-20 21:47:56
○ 2026-03-05 16:25:58
○ 2026-04-14 01:17:16
○MXexchange.dewile.net2015-11-01 → 2016-02-04 · 4 obs
● 2015-11-01 14:51:58
● 2016-02-04 16:59:10
○ 2016-06-20 21:47:56
○ 2026-04-14 01:17:16
○MXmail.nickstel.com2016-06-20 → 2016-06-20 · 4 obs
○ 2016-02-04 16:59:10
● 2016-06-20 21:47:56
○ 2026-03-05 16:25:58
○ 2026-04-14 01:17:16
●A104.21.16.1442026-03-05 → 2026-04-14 · 3 obs
○ 2016-06-20 21:47:56
● 2026-03-05 16:25:58
● 2026-04-14 01:17:16
●A172.67.213.512026-03-05 → 2026-04-14 · 3 obs
○ 2016-06-20 21:47:56
● 2026-03-05 16:25:58
● 2026-04-14 01:17:16
○A185.53.177.72015-11-01 → 2015-11-01 · 4 obs
○ 2015-05-19 22:12:24
● 2015-11-01 14:51:58
○ 2016-02-04 16:59:10
○ 2026-04-14 01:17:16
○A185.53.177.92016-02-04 → 2016-02-04 · 4 obs
○ 2015-11-01 14:51:58
● 2016-02-04 16:59:10
○ 2016-06-20 21:47:56
○ 2026-04-14 01:17:16
●A2606:4700:3032::ac43:d5332026-03-05 → 2026-04-14 · 3 obs
○ 2016-06-20 21:47:56
● 2026-03-05 16:25:58
● 2026-04-14 01:17:16
●A2606:4700:3034::6815:10902026-03-05 → 2026-04-14 · 3 obs
○ 2016-06-20 21:47:56
● 2026-03-05 16:25:58
● 2026-04-14 01:17:16
○A54.72.9.512015-05-19 → 2015-05-19 · 3 obs
● 2015-05-19 22:12:24
○ 2015-11-01 14:51:58
○ 2026-04-14 01:17:16
○A72.52.4.912016-06-20 → 2016-06-20 · 4 obs
○ 2016-02-04 16:59:10
● 2016-06-20 21:47:56
○ 2026-03-05 16:25:58
○ 2026-04-14 01:17:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
newtontutorials.comdora.ns.cloudflare.com, nick.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.108

NS records: dora.ns.cloudflare.com, nick.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for newtontutorials.com (unsigned zone)

⏱️ Timing

Total: 284ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.16.144, 172.67.213.51
AAAA22606:4700:3032::ac43:d533, 2606:4700:3034::6815:1090
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by mail.newtontutorials.com: 2606:4700:3032::ac43:d533, 2606:4700:3034::6815:1090, 104.21.16.144 and 172.67.213.51.

other host names including jpobuctf.courses, paradox.dk, camarapp.sp.gov.br, dhhl.xyz and shikshik.org share IP numbers with mail.newtontutorials.com.