Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
massmed.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 09:32:40 UTC · ↺ Refresh
MX Hostnames
- mx1.emailsrvr.com
- mx2.emailsrvr.com
MX Priorities
- mx2.emailsrvr.com: 20
- mx1.emailsrvr.com: 10
A / AAAA Records
- 44.193.134.17 ↩ ec2-44-193-134-17.compute-1.amazonaws.com
- 44.214.254.23 ↩ ec2-44-214-254-23.compute-1.amazonaws.com
- 3.234.138.240 ↩ ec2-3-234-138-240.compute-1.amazonaws.com
Mail Server IPs
- 184.106.54.2 ↩ mx2.emailsrvr.com
- 146.20.161.1 ↩ mx1.emailsrvr.com
- 108.166.43.1 ↩ mx1.emailsrvr.com
- 184.106.54.1 ↩ mx1.emailsrvr.com
- 173.203.187.1 ↩ mx1.emailsrvr.com
SOA Record
Raw SOA
ns-1421.awsdns-49.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1421.awsdns-49.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-844.awsdns-41.net
ns-1421.awsdns-49.org
ns-158.awsdns-19.com
ns-1584.awsdns-06.co.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a include:emailsrvr.com include:us._netblocks.mimecast.com include:spf.abila.info ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1:d:s
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- v739330ny2tpdbdx12pm4hddssftdhq1
- SPFv=spf1 mx a include:emailsrvr.com include:us._netblocks.mimecast.com include:spf.abila.info ~all
- google-site-verification=n4UBp0X6okK6eGkNihzG-BY2yBjRLIU3zaW-y4qcDfQ
- ry65lt6fzzh01gw40dhltpjf0lrcdqc0
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