Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
portsmouthschoolsri.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 10:43:26 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-2.mimecast.com
- usb-smtp-inbound-1.mimecast.com
MX Priorities
- usb-smtp-inbound-1.mimecast.com: 10
- usb-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 34.238.178.141 ↩ ec2-34-238-178-141.compute-1.amazonaws.com
Mail Server IPs
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
ns0.dnsmadeeasy.com dns.dnsmadeeasy.com 2008010224 43200 3600 1209600 180
Primary NS (mname)
ns0.dnsmadeeasy.com
Admin Email (rname)
dns@dnsmadeeasy.com
Serial
2008010224
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns3.dnsmadeeasy.com
ns4.dnsmadeeasy.com
ns1.dnsmadeeasy.com
ns0.dnsmadeeasy.com
ns2.dnsmadeeasy.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:131.109.73.202 ip4:131.109.73.5 ip4:208.64.239.226 ip4:208.64.37.225 ip4:131.109.73.178 include:usb._netblocks.mimecast.com include:tylerhost.net include:_spf.google.com include:sendgrid.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
12 records- ZOOM_verify_ugqb6SrVT1ujzwYmaxYCig
- BPL=7014263
- MS=ms24740769
- 0ed1fe018a5712a83c6f7a47cbbba9a70cabffed04
- 0ed1fe018a9e139769fc954d9ea8379101c2de26db
- apple-domain-verification=3F53gFNJBhms7pl9
- SPFv=spf1 ip4:131.109.73.202 ip4:131.109.73.5 ip4:208.64.239.226 ip4:208.64.37.225 ip4:131.109.73.178 include:usb._netblocks.mimecast.com include:tylerhost.net include:_spf.google.com include:sendgrid.net ~all
- adobe-idp-site-verification=eab77eea0ecbac3fbf8260ff36f3ac2796a5d4b135b024945d52c098bf4c8040
- google-site-verification=ohp8y1u78Hq4lVkqrLiy61wQkpZthQZS4ldWGfyg4K0
- google-site-verification=Sog4nwE7tXLrvXhpCle1yL5-olbgtjiPrTynoMsKI78
- google-site-verification=HmVGoFwark5dMZjtHXFcF3ALrbFAt7LJhB9vujWYRgU
- autodesk-domain-verification=tqPlrnePdIPgONQSrJ52
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