alum.rpi.edu

Disposable Domain
Domain Lookup › alum.rpi.edu

Domain Overview

DNS: ✓ 1d ago Checker: ✓ 1d ago
alum.rpi.edu
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-20 09:29:11 UTC · ↺ Refresh

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MX Hostnames

  • mx1.rpi.mail2world.com
  • mx2.rpi.mail2world.com

MX Priorities

  • mx1.rpi.mail2world.com: 20
  • mx2.rpi.mail2world.com: 30

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 54.88.152.217 ↩ ec2-54-88-152-217.compute-1.amazonaws.com
  • 34.226.24.72 ↩ ec2-34-226-24-72.compute-1.amazonaws.com
  • 35.167.34.51 ↩ ec2-35-167-34-51.us-west-2.compute.amazonaws.com
  • 44.237.12.42 ↩ ec2-44-237-12-42.us-west-2.compute.amazonaws.com

SOA Record

Raw SOA rpi.edu hostmaster.rpi.edu 8224 14000 1200 3600000 86400
Primary NS (mname)
rpi.edu
Admin Email (rname)
hostmaster@rpi.edu
Serial
8224
Refresh
14000s
Retry
1200s
Expire
3600000s
Minimum TTL
86400s

Nameservers (NS)

dns2.rpi.edu
dns3.rpi.edu

SPF Record

✓ Strict (-all)
v=spf1 ip4:69.26.182.242 ip4:216.152.255.0/24 ip4:69.26.182.10 ip4:209.67.128.0/24 ip4:74.202.139.0/24 ip4:74.202.142.0/24 ip4:74.202.15.0/24 ip4:64.191.223.0/24 ip4:65.74.168.0/24 ip4:216.163.188.0/24 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 ip4:69.26.182.242 ip4:216.152.255.0/24 ip4:69.26.182.10 ip4:209.67.128.0/24 ip4:74.202.139.0/24 ip4:74.202.142.0/24 ip4:74.202.15.0/24 ip4:64.191.223.0/24 ip4:65.74.168.0/24 ip4:216.163.188.0/24 mx -all
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