smtp.coreinterview.com - dns.ninja

smtp.coreinterview.com

DNSSEC⚠️ Not signed

coreinterview.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:85f4🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:5e6🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.5.230Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.133.244🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjermaine.ns.cloudflare.com ⭐
NSjoyce.ns.cloudflare.com
MXsmtp.google.com ⭐
TXTgoogle-site-verification=pKVwdMSTnpqsJNLfrtjI0CTGDgv4FWRVraft81fS-Rg
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.5.230, 172.67.133.244
IPv6 hints2606:4700:3031::ac43:85f4, 2606:4700:3034::6815:5e6
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=98, name=cloudflare-ech.com
SOAjermaine.ns.cloudflare.comdns@cloudflare.com serial=2409021113

Previously MX for

coreinterview.com

Same first word

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DNS History

1 record (0 active, 1 former)

200920112013201520172019202120232025A216.117.151.229
○A216.117.151.2292008-11-12 → 2016-04-20 · 3 obs
● 2008-11-12 01:03:34
● 2016-04-20 07:38:24
○ 2026-08-15 00:43:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net...-
coreinterview.comjoyce.ns.cloudflare.com, jermaine.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.157

NS records: joyce.ns.cloudflare.com, jermaine.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coreinterview.com (unsigned zone)

⏱️ Timing

Total: 456ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 12

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