mail.grabstudy.com - dns.ninja

mail.grabstudy.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:12a9🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:b6c3🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.18.169Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.182.195🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.18.169, 172.67.182.195
IPv6 hints2606:4700:3033::6815:12a9, 2606:4700:3035::ac43:b6c3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=26, name=cloudflare-ech.com

grabstudy.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:12a9🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:b6c3🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.18.169Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.182.195🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSclark.ns.cloudflare.com ⭐
NSjosephine.ns.cloudflare.com
MXroute3.mx.cloudflare.net ⭐
MXroute2.mx.cloudflare.net(60)
MXroute1.mx.cloudflare.net(88)
TXTgoogle-site-verification=YQqT3c_Hy6nmwUKMFM0KcvIUXrQh92fZQ9D8Az9E2ws
TXTgoogle-site-verification=zEgDLgrZFOGgehBL-5O-XNJ6BAHNwvgH9bdBmqY-sao
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.18.169, 172.67.182.195
IPv6 hints2606:4700:3033::6815:12a9, 2606:4700:3035::ac43:b6c3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=26, name=cloudflare-ech.com
SOAclark.ns.cloudflare.comdns@cloudflare.com serial=2411351134

Previously MX for

grabstudy.com

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DNS History

6 records (4 active, 2 former)

201820192020202120222023202420252026A104.21.18.169172.67.182.1952606:4700:3033::6815:12a92606:4700:3035::ac43:b6c3148.66.137.116CNAMEgrabstudy.com
●A104.21.18.1692026-08-06 → 2026-08-06 · 3 obs
○ 2026-04-13 08:52:56
● 2026-08-06 23:52:12
● 2026-08-06 23:52:14
○A148.66.137.1162017-10-13 → 2017-10-13 · 3 obs
● 2017-10-13 09:31:26
○ 2026-04-13 08:52:56
○ 2026-08-06 23:52:14
●A172.67.182.1952026-08-06 → 2026-08-06 · 3 obs
○ 2026-04-13 08:52:56
● 2026-08-06 23:52:12
● 2026-08-06 23:52:14
●A2606:4700:3033::6815:12a92026-08-06 → 2026-08-06 · 3 obs
○ 2026-04-13 08:52:56
● 2026-08-06 23:52:12
● 2026-08-06 23:52:14
●A2606:4700:3035::ac43:b6c32026-08-06 → 2026-08-06 · 3 obs
○ 2026-04-13 08:52:56
● 2026-08-06 23:52:12
● 2026-08-06 23:52:14
○CNAMEgrabstudy.com2026-04-13 → 2026-04-13 · 3 obs
● 2026-04-13 08:52:56
○ 2026-08-06 23:52:12
○ 2026-08-06 23:52:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net...-
grabstudy.comclark.ns.cloudflare.com, josephine.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.87

NS records: clark.ns.cloudflare.com, josephine.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 274ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.182.195, 104.21.18.169
AAAA22606:4700:3033::6815:12a9, 2606:4700:3035::ac43:b6c3
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.grabstudy.com resolves to four IP addresses: 104.21.18.169, 172.67.182.195, 2606:4700:3033::6815:12a9 and 2606:4700:3035::ac43:b6c3.

Among the host names that share IP numbers with mail.grabstudy.com are www.yolles.ru, www.1xbet-official1.com, texevqlxpr.club and two others.