Domain Overview
DNS: ✓ 16h ago
Checker: ✓ 16h ago
secondfront.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 07:44:08 UTC · ↺ Refresh
MX Hostnames
- mailstream-west.mxrecord.io
- mailstream-central.mxrecord.mx
- mailstream-east.mxrecord.io
- mailstream-eu1.mxrecord.io
MX Priorities
- mailstream-west.mxrecord.io: 10
- mailstream-central.mxrecord.mx: 20
- mailstream-eu1.mxrecord.io: 30
- mailstream-east.mxrecord.io: 10
A / AAAA Records
- 141.193.213.21 (no PTR)
- 141.193.213.20 (no PTR)
Mail Server IPs
- 172.65.220.210 (no PTR)
- 172.65.64.78 (no PTR)
- 172.65.245.214 (no PTR)
- 172.65.213.128 (no PTR)
SOA Record
Raw SOA
ns-1163.awsdns-17.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1163.awsdns-17.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-649.awsdns-17.net
ns-1163.awsdns-17.org
ns-1991.awsdns-56.co.uk
ns-224.awsdns-28.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:_spf.google.com include:_spf.salesforce.com include:_spf.psm.knowbe4.com include:mktomail.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._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
19 records- jamf-site-verification=206FPhNzPYz4FMgJcchYuw
- asv=80767350c216d94c7a7431dee5cfcfbe
- shopify_verification_shop=I3O8ICHW
- atlassian-domain-verification=6KaZqEmeS4WGQspmchRqrQXpcYQydt9oNKoughoPa6W2aLL/KbxnBuL6boTCmLFz
- google-site-verification=W6rDHsEANpKI3Yr1qIVugwYN9UMNLwj0MwTU1-HaUBg
- google-site-verification=5fVLce5iMIoQGv_kxfUCIFU6ohujGcc0Z_vaD3rstDg
- google-site-verification=hFo4zCVAeQTpMsAqlsz4l4jMvyMSmHfE1lMRDDULZq4
- MS=ms66132385
- google-site-verification=XpG_EjWCOVgArtI8BhY9JxP1iAVDHf4lUy1PGbdEgpU
- google-site-verification=ZQmhezYJo5hjm8HzXZQnkkGhbnHMhjSOsJC6JuRnXds
- 5AA93977DA
- bw=SZAucmlqscAT8aeFLgjmuCZ6Oc+6QyZDcv5JNxh4oaYg
- sending_domain958442=d636c9ace76e2a42b3bcc84fedfffdd588ff08aa971f17888163be305121bb2b
- anthropic-domain-verification-9qgvdy=kDPCkurN4dx50nXc80krj6I1t
- reachdesk-verification=cjKiPzKzAnrFjBTpdE2JLkjJptlRbpONah4t5tkJ333yysg2cuJItKSeQFmx4f2Y
- MS=ms85913168
- apple-domain-verification=NI8u2JAhzaMs6rKO
- docker-verification=dde43199-6c8e-4e80-9b62-ce8a3cb9b739
- SPFv=spf1 mx include:_spf.google.com include:_spf.salesforce.com include:_spf.psm.knowbe4.com include:mktomail.com ~all
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