mail.ismfast.com - robtex.com

mail.ismfast.com

DNSSEC⚠️ Not signed
MXmxa.onesignal.email ⭐
A34.149.254.5🇺🇸 Google34.148.0.0/14
PTR5.254.149.34.bc.googleusercontent.com
MXmxb.onesignal.email ⭐
A34.149.254.5🇺🇸 Google34.148.0.0/14
PTR5.254.149.34.bc.googleusercontent.com
TXTv=spf1 include:spf.onesignal.email include:mailgun.org ~all

ismfast.com

DNSSEC⚠️ Not signed
A3.219.46.63🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix
NSns-85.awsdns-10.com ⭐
NSns-1315.awsdns-36.org
NSns-2014.awsdns-59.co.uk
NSns-659.awsdns-18.net
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
MXalt4.aspmx.l.google.com(10)
TXTgoogle-site-verification=W8eRmk_ZjjfDqNFQKLbzpLm6R_BV9QOfw7KLvy9VZmQ
TXTgoogle-site-verification=e0VDg8SLTAjZYFofgfeegGdqoroCq4-XRKv0GPvh-uU
TXTgoogle-site-verification=ojo7AzKnbIuXWn2HgShpSDDB5mXYrfPseQSvxmqOkz8
TXTgoogle-site-verification=qRuTIk0qgtcZ48PXcuplkstgvBaQJ-CfVqn_FUkAgVU
TXTsending_domain949742=41648204dc4e753c26fa95081e0217b5b3b2003757001aa1dadca7f2...
TXTv=spf1 ip4:54.162.111.246/32 ip4:3.219.46.63/32 include:spf.mandrillapp.com i...
SOAns-85.awsdns-10.comawsdns-hostmaster@amazon.com serial=1

Same first word

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DNS History

3 records (2 active, 1 former)

20162017201820192020202120222023202420252026MXmxa.onesignal.emailmxb.onesignal.emailA68.69.0.84
●MXmxa.onesignal.email2026-02-28 → 2026-04-24 · 2 obs
● 2026-02-28 22:45:00
● 2026-04-24 02:34:38
●MXmxb.onesignal.email2026-02-28 → 2026-04-24 · 2 obs
● 2026-02-28 22:45:00
● 2026-04-24 02:34:38
○A68.69.0.842015-06-24 → 2016-04-26 · 4 obs
● 2015-06-24 22:30:14
● 2016-04-26 05:45:20
○ 2026-02-28 22:45:00
○ 2026-04-24 02:34:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
ismfast.comns-85.awsdns-10.com, ns-659.awsdns-18.net, ns-1315.awsdns-36.org, ns-2014.awsdns-59.co.uk2 records

✅ Authoritative Response

Server:205.251.197.35

NS records: ns-85.awsdns-10.com, ns-659.awsdns-18.net, ns-1315.awsdns-36.org, ns-2014.awsdns-59.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ismfast.com (unsigned zone)

⏱️ Timing

Total: 697ms | Queries: -

📄 Records

TypeCountSample Data
MX2mxa.onesignal.email (pri: 10), mxb.onesignal.email (pri: 10)
TXT1v=spf1 include:spf.onesignal.email inclu

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-85.awsdns-10.com, ns-85.awsdns-10.com)

Analysis

Mail Servers

mail.ismfast.com is handled by two mail servers: mxa.onesignal.email and mxb.onesignal.email.

mail.ismfast.com shares its mail server setup with other domains, including mail.50000foot.com, mail.publicpressjournal.com, mail.sharenavigator.ie, mail.elbebe.com and mail.baazigooshi.com.

The mail servers for mail.ismfast.com are shared with other domains, for instance mail.appetto.co, mail.gogetta.com, jameel-app.com, angelicasuarez.com and treffitsuomi24.com.

These mail servers are commonly used with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and smtp.google.com.

Host names with a single IP:

- mxa.onesignal.email points to 34.149.254.5

- mxb.onesignal.email points to 34.149.254.5

Host names that point to 34.149.254.5: mxa.onesignal.email and mxb.onesignal.email