mail.study-math.org - robtex.com

mail.study-math.org

DNSSEC⚠️ Not signed

study-math.org

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:39ad🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:93de🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.57.173Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.147.222🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbarbara.ns.cloudflare.com ⭐
NSdrew.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.57.173, 172.67.147.222
IPv62606:4700:3034::6815:39ad, 2606:4700:3035::ac43:93de
SOAbarbara.ns.cloudflare.comdns@cloudflare.com serial=2395697260

Previously MX for

study-math.org

Same first word

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DNS History

1 record (0 active, 1 former)

20162017201820192020202120222023202420252026A185.21.134.21
○A185.21.134.212015-07-02 → 2016-02-07 · 3 obs
● 2015-07-02 10:23:24
● 2016-02-07 14:14:34
○ 2026-03-26 09:44:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org-
study-math.orgdrew.ns.cloudflare.com, barbara.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.160

NS records: drew.ns.cloudflare.com, barbara.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for study-math.org (unsigned zone)

⏱️ Timing

Total: 889ms | Queries: -

📄 Records

TypeCountSample Data