mailserver.jfsalumni.com - robtex.com

mailserver.jfsalumni.com

DNSSEC⚠️ Not signed

jfsalumni.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:a77c🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:5a05🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.90.5Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.167.124🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSderek.ns.cloudflare.com ⭐
NSdora.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.90.5, 172.67.167.124
IPv6 hints2606:4700:3033::ac43:a77c, 2606:4700:3037::6815:5a05
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=179, name=cloudflare-ech.com
SOAderek.ns.cloudflare.comdns@cloudflare.com serial=2396489006
WOT: SAFE (64/100)
WOT: UNKNOWN (73/100)

Previously MX for

jfsalumni.com

Same first word

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DNS History

1 record (0 active, 1 former)

20162017201820192020202120222023202420252026A213.171.216.30
○A213.171.216.302015-05-23 → 2016-09-17 · 3 obs
● 2015-05-23 02:44:10
● 2016-09-17 19:49:02
○ 2026-04-04 17:56:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
jfsalumni.comdora.ns.cloudflare.com, derek.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.108

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jfsalumni.com (unsigned zone)

⏱️ Timing

Total: 404ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 12

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