mailstackflow.net - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

mailstackflow.net

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:c563🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:54dc🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.84.220Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.197.99🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSed.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b6f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRed.ns.cloudflare.com
A2803:f800:50::6ca2:c16f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRed.ns.cloudflare.com
A2a06:98c1:50::ac40:216f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRed.ns.cloudflare.com
A108.162.193.111🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRed.ns.cloudflare.com
A172.64.33.111🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRed.ns.cloudflare.com
A173.245.59.111🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRed.ns.cloudflare.com
NSziggy.ns.cloudflare.com
A2606:4700:50::a29f:26ed🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRziggy.ns.cloudflare.com
A2803:f800:50::6ca2:c2ed🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRziggy.ns.cloudflare.com
A2a06:98c1:50::ac40:22ed🇺🇸 Cloudflare2a06:98c1:50::/45
PTRziggy.ns.cloudflare.com
A108.162.194.237🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.38.237Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.34.237🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXroute2.mx.cloudflare.net ⭐
A2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
MXroute3.mx.cloudflare.net(11)
A2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
MXroute1.mx.cloudflare.net(50)
A2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.84.220, 172.67.197.99
IPv6 hints2606:4700:3032::ac43:c563, 2606:4700:3036::6815:54dc
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=108, name=cloudflare-ech.com
SOAed.ns.cloudflare.comdns@cloudflare.com serial=2415165848

net

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1791172604

Same first word

mailstackflow.com
mailstackflow.net

Similar names

flowstackmail.com
mailflowstack.com
stackflowmail.com

Previous names

mailsquid.net
mailsquirrel.net
mailsrv.net
mailsrv2.net
mailsrv365.net
mailsrvcs.net
mailsrver.net
mailsrvr.net
mailssc.net
mailssecured.net
mailssecurity.net
mailsserv.net
mailssf.net
mailssl.net
mailssortsecure.net
mailsstation.net
mailssupport.net
mailst0rm.net
mailstack.net

Next names

mailstage.net
mailstagephotolyon.net
mailstall.net
mailstamp.net
mailstamper.net
mailstand.net
mailstar.net
mailstarwars.net
mailstash.net
mailstatic.net
mailstation.net
mailstats.net
mailstatus.net
mailstax.net
mailstead.net
mailstemp.net

DNS History

9 records (9 active, 0 former)

NSed.ns.cloudflare.comziggy.ns.cloudflare.comMXroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netA104.21.84.220172.67.197.992606:4700:3032::ac43:c5632606:4700:3036::6815:54dc
●NSed.ns.cloudflare.com2026-09-17 → 2026-10-05 · 2 obs
● 2026-09-17 21:27:54
● 2026-10-05 04:03:12
●NSziggy.ns.cloudflare.com2026-09-17 → 2026-10-05 · 2 obs
● 2026-09-17 21:27:54
● 2026-10-05 04:03:12
●MXroute1.mx.cloudflare.net2026-09-17 → 2026-10-05 · 2 obs
● 2026-09-17 21:27:54
● 2026-10-05 04:03:12
●MXroute2.mx.cloudflare.net2026-09-17 → 2026-10-05 · 2 obs
● 2026-09-17 21:27:54
● 2026-10-05 04:03:12
●MXroute3.mx.cloudflare.net2026-09-17 → 2026-10-05 · 2 obs
● 2026-09-17 21:27:54
● 2026-10-05 04:03:12
●A104.21.84.2202026-09-17 → 2026-10-05 · 2 obs
● 2026-09-17 21:27:54
● 2026-10-05 04:03:12
●A172.67.197.992026-09-17 → 2026-10-05 · 2 obs
● 2026-09-17 21:27:54
● 2026-10-05 04:03:12
●A2606:4700:3032::ac43:c5632026-09-17 → 2026-10-05 · 2 obs
● 2026-09-17 21:27:54
● 2026-10-05 04:03:12
●A2606:4700:3036::6815:54dc2026-09-17 → 2026-10-05 · 2 obs
● 2026-09-17 21:27:54
● 2026-10-05 04:03:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netc.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net...-
mailstackflow.neted.ns.cloudflare.com, ziggy.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.237

NS records: ed.ns.cloudflare.com, ziggy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mailstackflow.net (unsigned zone)

⏱️ Timing

Total: 345ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.197.99, 104.21.84.220
AAAA22606:4700:3032::ac43:c563, 2606:4700:3036::6815:54dc
NS2ed.ns.cloudflare.com, ziggy.ns.cloudflare.com
MX3route2.mx.cloudflare.net (pri: 1), route3.mx.cloudflare.net (pri: 11)...
TXT1v=spf1 include:_spf.mx.cloudflare.net ~a
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1ed.ns.cloudflare.com dns.cloudflare.com

Analysis

IP Addresses

mailstackflow.net directs to four IP numbers, which are 104.21.84.220, 172.67.197.99, 2606:4700:3032::ac43:c563 and 2606:4700:3036::6815:54dc.

muonline.tech, proactivemanage.com, www.heartlandvapes.com and two other host names share IP numbers with mailstackflow.net.

Name Servers

Two name servers handle the delegation for mailstackflow.net: ed.ns.cloudflare.com and ziggy.ns.cloudflare.com.

mailstackflow.net uses the same name servers as several other domains — among them yfdzpgqr.workers.dev, app-f1qsy1.workers.dev, 1995678.xyz and two more.

There is at least partial name server overlap between mailstackflow.net and other domains — datasports.co, okking82.com, lightwelljourneys.co.nz and two more among them.

These name servers frequently co-occur with the name servers ignat.ns.cloudflare.com and kanye.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

ed.ns.cloudflare.com resolves to 108.162.193.111, 172.64.33.111 and 173.245.59.111 among others, with 3 other IP addresses in total.

ziggy.ns.cloudflare.com resolves to 108.162.194.237, 162.159.38.237 and 172.64.34.237 among others, with 3 other IP addresses in total.

Mail Servers

Incoming mail for mailstackflow.net is delivered via three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

mailstackflow.net has at least partial mail server overlap with other domains such as pureresearchgroup.com, sub-zero-repair-pro.com, lead-247.com and two more.

Hostnames that resolve to 6 IP addresses:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12 and 162.159.205.13 among others, with 3 other IP addresses in total.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18 and 162.159.205.19 among others, with 3 other IP addresses in total.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24 and 162.159.205.25 among others, with 3 other IP addresses in total.