Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cua.edu
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 02:52:39 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt2.aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 52.207.65.0
- 100.50.199.147
Mail Server IPs
- 172.253.63.27 ↩ bi-in-f27.1e100.net
- 2607:f8b0:4004:c06::1b ↩ bg-in-f27.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
SOA Record
Raw SOA
ns1.catholic.edu hostmaster.catholic.edu 1 7200 900 1209600 500
Primary NS (mname)
ns1.catholic.edu
Admin Email (rname)
hostmaster@catholic.edu
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
500s
Nameservers (NS)
ns2.catholic.edu
ns3.catholic.edu
ns4.catholic.edu
ns1.catholic.edu
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:136.242.2.225 ip4:54.197.63.203 ip4:52.206.75.63 ip4:35.168.199.206 ip4:52.204.31.221 ip4:34.231.156.186 include:_spf.google.com include:mh.blackboard.com include:servers.mcsv.net exists:%{ir}._spf.cua.edu ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; adkim=r; aspf=r; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
google._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- google-site-verification=zJtfoloxpHy9jsR9sQlcIJv02hF6j705Ngm8RfFG-hA
- SPFv=spf1 ip4:136.242.2.225 ip4:54.197.63.203 ip4:52.206.75.63 ip4:35.168.199.206 ip4:52.204.31.221 ip4:34.231.156.186 include:_spf.google.com include:mh.blackboard.com include:servers.mcsv.net exists:%{ir}._spf.cua.edu ~all
- airtable-verification=23a76e2d9cb7da51f37b5914b6353f75
- d365mktkey=MSfzVzQsjZQeEliI7lxHHYxnAUHAdfH9pYQHFo6kgvMx
- d365mktkey=gtjG7RfBuicVRfuHJKXImry8YvtCnNcexgajsdhryvEx
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