mail.stantek-us.com - robtex.com

mail.stantek-us.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:492e🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:8c95🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.73.46Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.140.149🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.73.46, 172.67.140.149
IPv6 hints2606:4700:3030::6815:492e, 2606:4700:3031::ac43:8c95
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=152, name=cloudflare-ech.com

stantek-us.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:492e🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:8c95🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.73.46Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.140.149🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkristin.ns.cloudflare.com ⭐
NSscott.ns.cloudflare.com
MXd290619a.ess.barracudanetworks.com ⭐
MXd290619b.ess.barracudanetworks.com(20)
TXTbrevo-code:fba561b9874f928fe99373d3be4621d0
TXTgoogle-site-verification=GzJDTG-G3rE01HSkIxbGatU8Elbbe_t5AhaGDvOIMu0
TXTv=spf1 ip4:75.35.144.21 include:spf.ess.barracudanetworks.com include:mailgun...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.73.46, 172.67.140.149
IPv6 hints2606:4700:3030::6815:492e, 2606:4700:3031::ac43:8c95
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=152, name=cloudflare-ech.com
SOAkristin.ns.cloudflare.comdns@cloudflare.com serial=2399832742

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DNS History

12 records (4 active, 8 former)

20162017201820192020202120222023202420252026NShidden-master.yahoo.comMXsmtp.stantek-us.comA104.21.73.46172.67.140.1492606:4700:3030::6815:492e2606:4700:3031::ac43:8c95::ffff:c1a:b89a12.26.184.154188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
○NShidden-master.yahoo.com2015-04-28 → 2015-04-28 · 3 obs
● 2015-04-28 03:59:10
○ 2015-10-17 13:54:00
○ 2026-04-13 07:44:46
○MXsmtp.stantek-us.com2016-07-21 → 2016-07-21 · 3 obs
● 2016-07-21 11:52:34
○ 2026-03-06 01:15:52
○ 2026-04-13 07:44:46
○A::ffff:c1a:b89a2016-07-21 → 2016-07-21 · 4 obs
○ 2015-04-28 03:59:10
● 2016-07-21 11:52:34
○ 2026-03-06 01:15:52
○ 2026-04-13 07:44:46
●A104.21.73.462026-03-06 → 2026-04-13 · 3 obs
○ 2016-07-21 11:52:34
● 2026-03-06 01:15:52
● 2026-04-13 07:44:46
○A12.26.184.1542015-04-28 → 2016-07-21 · 4 obs
● 2015-04-28 03:59:10
● 2016-07-21 11:52:34
○ 2026-03-06 01:15:52
○ 2026-04-13 07:44:46
●A172.67.140.1492026-03-06 → 2026-04-13 · 3 obs
○ 2016-07-21 11:52:34
● 2026-03-06 01:15:52
● 2026-04-13 07:44:46
○A188.114.96.02026-03-06 → 2026-04-13 · 2 obs
○ 2026-03-06 01:15:52
○ 2026-04-13 07:44:46
○A188.114.97.02026-03-06 → 2026-04-13 · 2 obs
○ 2026-03-06 01:15:52
○ 2026-04-13 07:44:46
●A2606:4700:3030::6815:492e2026-03-06 → 2026-04-13 · 3 obs
○ 2016-07-21 11:52:34
● 2026-03-06 01:15:52
● 2026-04-13 07:44:46
●A2606:4700:3031::ac43:8c952026-03-06 → 2026-04-13 · 3 obs
○ 2016-07-21 11:52:34
● 2026-03-06 01:15:52
● 2026-04-13 07:44:46
○A2a06:98c1:3120::2026-03-06 → 2026-04-13 · 2 obs
○ 2026-03-06 01:15:52
○ 2026-04-13 07:44:46
○A2a06:98c1:3121::2026-03-06 → 2026-04-13 · 2 obs
○ 2026-03-06 01:15:52
○ 2026-04-13 07:44:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net...-
stantek-us.comscott.ns.cloudflare.com, kristin.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.230

NS records: scott.ns.cloudflare.com, kristin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stantek-us.com (unsigned zone)

⏱️ Timing

Total: 276ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.73.46, 172.67.140.149
AAAA22606:4700:3031::ac43:8c95, 2606:4700:3030::6815:492e
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by mail.stantek-us.com: 2606:4700:3030::6815:492e, 2606:4700:3031::ac43:8c95, 104.21.73.46 and 172.67.140.149.

other host names including tqedu.org, horizonnextmetrics.sbs, mcbans.net, ds12apn.ru and fastmark.co.uk share IP numbers with mail.stantek-us.com.