Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
simsmm.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 01:08:04 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 1
- us-smtp-inbound-1.mimecast.com: 1
A / AAAA Records
- 52.44.0.230 ↩ ec2-52-44-0-230.compute-1.amazonaws.com
- 52.3.105.93 ↩ ec2-52-3-105-93.compute-1.amazonaws.com
Mail Server IPs
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns0.dnsmadeeasy.com dns.dnsmadeeasy.com 2008011153 43200 3600 1209600 180
Primary NS (mname)
ns0.dnsmadeeasy.com
Admin Email (rname)
dns@dnsmadeeasy.com
Serial
2008011153
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns3.dnsmadeeasy.com
ns0.dnsmadeeasy.com
ns2.dnsmadeeasy.com
ns4.dnsmadeeasy.com
ns1.dnsmadeeasy.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:54.240.31.72 ip4:54.240.31.73 ip4:54.240.31.74 ip4:50.220.8.7 ip4:50.220.8.9 ip4:50.220.8.10 ip4:50.220.8.12 ip4:203.87.95.30 ip4:202.52.60.3 ip4:202.27.15.8 ip4:158.228.0.1/16 include:spfext.simsmm.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
11 records- tdlhn99fcn9hnbm735kfgnabht
- teamviewer-sso-verification=8dd25a26a80c4ac780c80756cc016da0
- SPFv=spf1 ip4:54.240.31.72 ip4:54.240.31.73 ip4:54.240.31.74 ip4:50.220.8.7 ip4:50.220.8.9 ip4:50.220.8.10 ip4:50.220.8.12 ip4:203.87.95.30 ip4:202.52.60.3 ip4:202.27.15.8 ip4:158.228.0.1/16 include:spfext.simsmm.com include:spf.protection.outlook.com -all
- docusign=689a8b31-7007-4c0e-95b0-37b27c55aa3c
- MS=ms95565384
- openai-domain-verification=dv-DuVqyiDiXiR000nSZeN1z0DU
- adobe-idp-site-verification=11e5b590c873187bf60de599958366bb0157b30f765b3f1112108b16e94cb13c
- google-site-verification=7xpRnN2-1ADlgSdnqS0LsmATQSEw2N-ISl5yDsLwed4
- sG3IycigUggLTzJATkvGqSe48kQUpjcQyTFLZCTEgFSDeqv1Kmqu5om/Aw0bxYqWvFj+xNfmuSaPm2MEK/HnHA==
- b016d3194d8ce5f44abe002b0680b295bb7728ce04cef659b1
- Cze43hmSOWboh57uke5r2VTxkb9y
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