mail.st-dev.com - robtex.com
mail.st-dev.com
| DNSSEC | ⚠️ Not signed | ||||||
| MX | mxa.eu.mailgun.org ⭐ | ||||||
| A | 34.111.130.244🇺🇸 Google34.108.0.0/14 | ||||||
| PTR | 244.130.111.34.bc.googleusercontent.com | ||||||
| MX | mxb.eu.mailgun.org ⭐ | ||||||
| A | 34.111.130.244🇺🇸 Google34.108.0.0/14 | ||||||
| PTR | 244.130.111.34.bc.googleusercontent.com | ||||||
| TXT | v=spf1 include:eu.mailgun.org ~all | ||||||
st-dev.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:9ddc🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3032::6815:e36🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.14.54Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.157.220🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | austin.ns.cloudflare.com ⭐ | ||||||
| NS | lucy.ns.cloudflare.com | ||||||
| MX | box.stdevcdn.com ⭐ | ||||||
| TXT | google-site-verification=pqi3M-SRV3Sz-jfth5-HD-k1xXuUGJZICvWMaCm3_D4 | ||||||
| TXT | v=spf1 mx a -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.14.54, 172.67.157.220 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:9ddc, 2606:4700:3032::6815:e36 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=96, name=cloudflare-ech.com | ||||||
| SOA | austin.ns.cloudflare.comdns@cloudflare.com serial=2401272970 | ||||||
Previously MX for
Same first word
Similar names
DNS History
4 records (2 active, 2 former)
●MXmxa.eu.mailgun.org2026-04-22 → 2026-04-28 · 2 obs
● 2026-04-28 15:44:38
●MXmxb.eu.mailgun.org2026-04-22 → 2026-04-28 · 2 obs
● 2026-04-28 15:44:38
○A213.52.128.1802015-07-25 → 2016-12-21 · 4 obs
● 2016-12-21 14:47:30
○ 2026-04-22 03:54:58
○ 2026-04-28 15:44:38
○A2a01:7e00::f03c:91ff:fe33:7d852015-07-25 → 2016-12-21 · 4 obs
● 2016-12-21 14:47:30
○ 2026-04-22 03:54:58
○ 2026-04-28 15:44:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| st-dev.com | lucy.ns.cloudflare.com, austin.ns.cloudflare.com | 12 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: 121ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| MX | 2 | mxa.eu.mailgun.org (pri: 10), mxb.eu.mailgun.org (pri: 10) |
| TXT | 1 | v=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
Two mail servers handle mail.st-dev.com: mxa.eu.mailgun.org and mxb.eu.mailgun.org.
mail.st-dev.com shares the same mail server setup as other domains, for instance osiedlezawiszy.pl, connatixx.helpcrunch.com, bookforme.com, rupprecht-consult.info and stteiloschurch.org.uk.
mail.st-dev.com shares some mail servers with other domains, at least partially, for instance dirtyknickers.com, autotrad.com.au, kome.fr, happyjokers.com and bwis.io.
these mail servers are often used together with mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
Host names with a single IP:
mxa.eu.mailgun.org points to 34.111.130.244.
mxb.eu.mailgun.org points to 34.111.130.244.
Host names pointing to 34.111.130.244: mxa.eu.mailgun.org and mxb.eu.mailgun.org.