mail.sage-math-cloud.com - robtex.com

mail.sage-math-cloud.com

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:8d21🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:2906🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.41.6Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.141.33🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.41.6, 172.67.141.33
IPv6 hints2606:4700:3034::ac43:8d21, 2606:4700:3037::6815:2906
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=172, name=cloudflare-ech.com

sage-math-cloud.com

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:8d21🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:2906🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.41.6Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.141.33🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NShaley.ns.cloudflare.com ⭐
NSsri.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.41.6, 172.67.141.33
IPv6 hints2606:4700:3034::ac43:8d21, 2606:4700:3037::6815:2906
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=172, name=cloudflare-ech.com
SOAhaley.ns.cloudflare.comdns@cloudflare.com serial=2399411698

Previously MX for

sage-math-cloud.com

Same first word

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DNS History

5 records (4 active, 1 former)

20192020202120222023202420252026A104.21.41.6172.67.141.332606:4700:3034::ac43:8d212606:4700:3037::6815:290623.229.234.227
●A104.21.41.62026-04-21 → 2026-04-21 · 2 obs
○ 2018-05-16 21:54:00
● 2026-04-21 00:45:56
●A172.67.141.332026-04-21 → 2026-04-21 · 2 obs
○ 2018-05-16 21:54:00
● 2026-04-21 00:45:56
○A23.229.234.2272018-05-16 → 2018-05-16 · 2 obs
● 2018-05-16 21:54:00
○ 2026-04-21 00:45:56
●A2606:4700:3034::ac43:8d212026-04-21 → 2026-04-21 · 2 obs
○ 2018-05-16 21:54:00
● 2026-04-21 00:45:56
●A2606:4700:3037::6815:29062026-04-21 → 2026-04-21 · 2 obs
○ 2018-05-16 21:54:00
● 2026-04-21 00:45:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net...-
sage-math-cloud.comsri.ns.cloudflare.com, haley.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.234

NS records: sri.ns.cloudflare.com, haley.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sage-math-cloud.com (unsigned zone)

⏱️ Timing

Total: 167ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.41.6, 172.67.141.33
AAAA22606:4700:3037::6815:2906, 2606:4700:3034::ac43:8d21
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.sage-math-cloud.com resolves to four IP numbers: 2606:4700:3034::ac43:8d21, 2606:4700:3037::6815:2906, 104.21.41.6 and 172.67.141.33.

other host names for instance homesmarthq.com, www.gangsofspace.com, 630sp.com, gamer.lv and www.gp(0x616e616c)ytic.net share IP numbers with mail.sage-math-cloud.com.