Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
slack-corp.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 01:37:48 UTC · ↺ Refresh
MX Hostnames
- mxb-00177002.gslb.pphosted.com
- mxa-00177002.gslb.pphosted.com
MX Priorities
- mxb-00177002.gslb.pphosted.com: 10
- mxa-00177002.gslb.pphosted.com: 10
A / AAAA Records
- 3.228.189.135 ↩ ec2-3-228-189-135.compute-1.amazonaws.com
- 23.22.255.42 ↩ ec2-23-22-255-42.compute-1.amazonaws.com
- 184.73.83.160 ↩ ec2-184-73-83-160.compute-1.amazonaws.com
- 34.195.54.161 ↩ ec2-34-195-54-161.compute-1.amazonaws.com
- 3.223.34.124 ↩ ec2-3-223-34-124.compute-1.amazonaws.com
Mail Server IPs
- 148.163.154.137 ↩ mx0b-00177002.pphosted.com
SOA Record
Raw SOA
ns-573.awsdns-07.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-573.awsdns-07.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1424.awsdns-50.org
ns-1818.awsdns-35.co.uk
ns-218.awsdns-27.com
ns-573.awsdns-07.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:_spf.salesforce.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;fo=1:d:s;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
✓ 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
23 records- stripe-verification=179cdb3899560c17331a4a1629de2dd7f2d4a2511b55f62fbe414da84360d173
- MS=ms60626434
- apple-domain-verification=ChXhzAMjLtzdaUqA
- stripe-verification=c12f567068c9b9f8bf81fd0c6379356a6ef2c7b8872e6e86773d22fb3e280016
- smartsheet-site-validation=OuZPEOnS2Z0gIxvJxYDSQNiWr3TmEkND
- stripe-verification=cbe32428b7be2381ef3a1bd2862b00e230c0e3f1d74c2c352085d2dc3484a895
- spycloud-domain-verification=480fdec7-5ea7-46ba-a4d3-76a8d80de637
- stripe-verification=b94cf196d8dcffb810428cfccd0f7c7da02104c039c6d1314f96d7f3f8530cb2
- stripe-verification=92ed39e34d3d3361667499947254c2fe1e02c212ca373bf11734c1423133dcfe
- google-site-verification=H-5AQoILg7Mvbe0sLrP5J2g6MKzphcZ28Y9jzzptEcU
- google-site-verification=_hBIh2egUEtSc5p3I0DU9_2e7OjigwJC14mmIgnWVWk
- lucid-pwSIlcQ0tQ2ZQ1xIK8Jw
- dropbox-domain-verification=m39btq51uqdc
- drift-domain-verification=e0bb0d1134a1084b1cc772f133a1df8e7dec8faaf9cfffdfa04a4087920cf22a
- atlassian-domain-verification=ikAjugBdhIHIvDTvYbsd/tkWsmt1P5vLH516ACsb9PgoB5ZADLuWMSlxdAvRLwQ4
- adobe-idp-site-verification=095f40f9aaa1a1b3862f9f8dd40d74b38667ff16ee81372e7223f8a565f788b5
- box-domain-verification=12f51f2386e334a06698e0bfe76b52ae40451f0c0bce039c9757e2e0e9b33a42
- SPFv=spf1 include:_spf.google.com include:_spf.salesforce.com ~all
- docusign=9b880adc-543c-404f-a24a-fe9846a9c00f
- anthropic-domain-verification-tx8fz4=HqvE5dR20LlFtgP0Yb7bdt8oN
- miro-verification=d174fb608bf7c325223249e1436602fb92f66df8
- google-site-verification=Pv7r7z96w4iWrEbyix1omDW1YDoPkRpLI7NMjeyc1D4
- google-site-verification=5dWN0-3ShS4947D5IGJ8yDS87G6MiREpyFGzE4bxkME
Full email verification for slack-corp.com
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