mail.st-dev.com - dns.ninja

mail.st-dev.com

DNSSEC⚠️ Not signed
MXmxa.eu.mailgun.org ⭐
A34.111.130.244🇺🇸 Google34.108.0.0/14
PTR244.130.111.34.bc.googleusercontent.com
MXmxb.eu.mailgun.org ⭐
A34.111.130.244🇺🇸 Google34.108.0.0/14
PTR244.130.111.34.bc.googleusercontent.com
TXTv=spf1 include:eu.mailgun.org ~all

st-dev.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:9ddc🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:e36🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.14.54Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.157.220🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSaustin.ns.cloudflare.com ⭐
NSlucy.ns.cloudflare.com
MXbox.stdevcdn.com ⭐
TXTgoogle-site-verification=pqi3M-SRV3Sz-jfth5-HD-k1xXuUGJZICvWMaCm3_D4
TXTv=spf1 mx a -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.14.54, 172.67.157.220
IPv6 hints2606:4700:3031::ac43:9ddc, 2606:4700:3032::6815:e36
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=68, name=cloudflare-ech.com
SOAaustin.ns.cloudflare.comdns@cloudflare.com serial=2406376496

Previously MX for

st-dev.com

Same first word

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DNS History

4 records (2 active, 2 former)

20162017201820192020202120222023202420252026MXmxa.eu.mailgun.orgmxb.eu.mailgun.orgA213.52.128.1802a01:7e00::f03c:91ff:fe33:7d85
●MXmxa.eu.mailgun.org2026-04-22 → 2026-06-09 · 2 obs
● 2026-04-22 03:54:58
● 2026-06-09 21:57:22
●MXmxb.eu.mailgun.org2026-04-22 → 2026-06-09 · 2 obs
● 2026-04-22 03:54:58
● 2026-06-09 21:57:22
○A213.52.128.1802015-07-25 → 2016-12-21 · 4 obs
● 2015-07-25 08:07:22
● 2016-12-21 14:47:30
○ 2026-04-22 03:54:58
○ 2026-06-09 21:57:22
○A2a01:7e00::f03c:91ff:fe33:7d852015-07-25 → 2016-12-21 · 4 obs
● 2015-07-25 08:07:22
● 2016-12-21 14:47:30
○ 2026-04-22 03:54:58
○ 2026-06-09 21:57:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
st-dev.comlucy.ns.cloudflare.com, austin.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.133

NS records: lucy.ns.cloudflare.com, austin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for st-dev.com (unsigned zone)

⏱️ Timing

Total: 577ms | Queries: -

📄 Records

TypeCountSample Data
MX2mxa.eu.mailgun.org (pri: 10), mxb.eu.mailgun.org (pri: 10)
TXT1v=spf1 include:eu.mailgun.org ~all

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Servers

mail.st-dev.com has two mail servers: mxa.eu.mailgun.org and mxb.eu.mailgun.org.

mail.st-dev.com shares the same mail server setup as other domains, including osiedlezawiszy.pl, connatixx.helpcrunch.com, bookforme.com and two others.

mail.st-dev.com shares mail servers — at least in part — with other domains, including autotrad.com.au, kome.fr, happyjokers.com and two others.

These mail servers are frequently used alongside the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com, plus two others.

mxa.eu.mailgun.org and mxb.eu.mailgun.org both resolve to the same single IP address: 34.111.130.244.

mxa.eu.mailgun.org and mxb.eu.mailgun.org are host names that each point to 34.111.130.244 IP addresses.