Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
usnursing.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 12:11:51 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 0
- us-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 3.171.139.121 ↩ server-3-171-139-121.jfk52.r.cloudfront.net
- 3.171.139.2 ↩ server-3-171-139-2.jfk52.r.cloudfront.net
- 3.171.139.52 ↩ server-3-171-139-52.jfk52.r.cloudfront.net
- 3.171.139.84 ↩ server-3-171-139-84.jfk52.r.cloudfront.net
Mail Server IPs
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns10.dnsmadeeasy.com dns.dnsmadeeasy.com 2009011412 43200 3600 1209600 180
Primary NS (mname)
ns10.dnsmadeeasy.com
Admin Email (rname)
dns@dnsmadeeasy.com
Serial
2009011412
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns13.dnsmadeeasy.com
ns12.dnsmadeeasy.com
ns11.dnsmadeeasy.com
ns14.dnsmadeeasy.com
ns15.dnsmadeeasy.com
ns10.dnsmadeeasy.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:142.0.164.47 ip4:198.207.147.224/27 ip4:204.239.0.224/27 ip4:216.230.14.224/27 include:us._netblocks.mimecast.com include:sendgrid.net include:_spf.bullhornmail.com include:mail.zendesk.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict 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
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- 14cead0c33df4a5cb3a335247c61c8b6
- quickbase-site-verification-2bd0bd558b37a06229dfaed39446f7cabf73db89
- XnyWeFkv94h2lwJhHie6vLCAOxUbp1dGsxmn6VtO3vNnfm1PNVtrUsIAt8Rv+jxCxJUvU3xow4GxCyqJkg8Ayw==
- lz9b35b98qob2zjtpqhg
- google-site-verification=0wKTKuSmbORG82ZohUlN9QDm086YY6u2_C139jy1a3U
- SPFv=spf1 ip4:142.0.164.47 ip4:198.207.147.224/27 ip4:204.239.0.224/27 ip4:216.230.14.224/27 include:us._netblocks.mimecast.com include:sendgrid.net include:_spf.bullhornmail.com include:mail.zendesk.com -all
- smartsheet-site-validation=2G4vRE1zmsgjBMwrN-Wpm84w_O1gaj34
- 0ed1fe018a0a2863551c8741f29d58e7
- MS=ms52677991
- ZOOM_verify_hq9LHN0gS71Q3lNnQRBZZE
Full email verification for usnursing.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits