Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
harcum.edu
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 04:02:20 UTC · ↺ Refresh
MX Hostnames
- aspmx5.googlemail.com
- aspmx3.googlemail.com
- alt2.aspmx.l.google.com
- aspmx4.googlemail.com
- aspmx2.googlemail.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- alt2.aspmx.l.google.com: 20
- aspmx.l.google.com: 10
- aspmx2.googlemail.com: 30
- aspmx4.googlemail.com: 30
- alt1.aspmx.l.google.com: 20
- aspmx5.googlemail.com: 30
- aspmx3.googlemail.com: 30
A / AAAA Records
- 54.174.89.209 ↩ ec2-54-174-89-209.compute-1.amazonaws.com
Mail Server IPs
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 142.251.16.26 ↩ bl-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1a ↩ ww-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
SOA Record
Raw SOA
ns1.mydyndns.org zone-admin.dyndns.com 2009093416 10800 1800 604800 1800
Primary NS (mname)
ns1.mydyndns.org
Admin Email (rname)
zone-admin@dyndns.com
Serial
2009093416
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns1145.dns.dyn.com
ns2190.dns.dyn.com
ns4134.dns.dyn.com
ns3161.dns.dyn.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=harcum.edu.hosted.spf-report.com
📊 DNS lookups: 1/10
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._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
2 records- facebook-domain-verification=i22sg51j0t8ujyi2qe744vy2cugnd6
- SPFv=spf1 redirect=harcum.edu.hosted.spf-report.com
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