apollo.edu

Valid Email Server
Domain Lookup › apollo.edu

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
apollo.edu
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 07:32:18 UTC · ↺ Refresh

MX Hostnames

  • mxb-002dbe01.gslb.pphosted.com
  • mxa-002dbe01.gslb.pphosted.com

MX Priorities

  • mxb-002dbe01.gslb.pphosted.com: 10
  • mxa-002dbe01.gslb.pphosted.com: 10

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 148.163.147.29 ↩ mx0a-002dbe01.pphosted.com
  • 148.163.155.228 ↩ mx0b-002dbe01.pphosted.com

SOA Record

Raw SOA pdns69.ultradns.biz please_set_email.absolutely.nowhere.com 7597 21600 3600 604800 600
Primary NS (mname)
pdns69.ultradns.biz
Admin Email (rname)
please_set_email@absolutely.nowhere.com
Serial
7597
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

pdns69.ultradns.biz
pdns69.ultradns.com
pdns69.ultradns.net
pdns69.ultradns.org
pdns69.ultradns.info
pdns69.ultradns.co.uk

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:74.120.231.6 ip4:3.221.97.1 ip4:54.174.254.153 ip4:18.233.30.245 ip4:3.232.53.234 ip4:54.198.41.149 ip4:74.120.224.204 ip4:74.120.224.205 ip4:74.120.231.232 ip4:74.120.231.233 ip4:148.163.155.228 ip4:148.163.147.29 include:spf.protection.outlook.com include:aristotle.com include:mktomail.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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

7 records
  • _l4nb8yfyr981or91j44ce6i4z1ty1qr
  • _w4qq1li4h1bbul2yr9mt4tn0deiwe14
  • apple-domain-verification=WWfzQ1NOb4dc2Ee3
  • v=msv1 t=FBD0FC99-7362-4936-B772-F8B1FD9AA43D
  • OY5wkwYYUNwFednKoxQgRx/pgnNj5qRdy23pzp1XgD0EBNdf3XVhXgmrIhAT43492G9tKP6rZm2Uhj3c2zeUSA==
  • SPFv=spf1 ip4:74.120.231.6 ip4:3.221.97.1 ip4:54.174.254.153 ip4:18.233.30.245 ip4:3.232.53.234 ip4:54.198.41.149 ip4:74.120.224.204 ip4:74.120.224.205 ip4:74.120.231.232 ip4:74.120.231.233 ip4:148.163.155.228 ip4:148.163.147.29 include:spf.protection.outlook.com include:aristotle.com include:mktomail.com ~all
  • MS=ms42066839
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