smtp.qstc.com - robtex.com

smtp.qstc.com

DNSSEC⚠️ Not signed
A212.93.239.10🇸🇮 VELCOM-AS212.93.224.0/19 Velcom d.o.o.

qstc.com

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:be9c🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:33e2🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.51.226Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.190.156🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSoswald.ns.cloudflare.com ⭐
NSsharon.ns.cloudflare.com
MXqstc-com.mail.protection.outlook.com ⭐
TXTMS=ms74314638
TXTv=spf1 include:spf.protection.outlook.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.51.226, 172.67.190.156
IPv6 hints2606:4700:3034::ac43:be9c, 2606:4700:3037::6815:33e2
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=6, name=cloudflare-ech.com
SOAoswald.ns.cloudflare.comdns@cloudflare.com serial=2411008040
WOT: SAFE (50/100)

Previously MX for

qstc.com

Same first word

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DNS History

2 records (1 active, 1 former)

200920112013201520172019202120232025A212.93.239.1084.255.212.130
●A212.93.239.102015-05-08 → 2026-08-11 · 3 obs
○ 2008-12-28 16:42:34
● 2015-05-08 18:56:04
● 2026-08-11 06:25:14
○A84.255.212.1302008-12-28 → 2008-12-28 · 3 obs
● 2008-12-28 16:42:34
○ 2015-05-08 18:56:04
○ 2026-08-11 06:25:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net...-
qstc.comoswald.ns.cloudflare.com, sharon.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.221

NS records: oswald.ns.cloudflare.com, sharon.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qstc.com (unsigned zone)

⏱️ Timing

Total: 125ms | Queries: -

📄 Records

TypeCountSample Data
A1212.93.239.10

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

smtp.qstc.com points to a single IP number: 212.93.239.10.