Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
withum.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 20:22:32 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns-1062.awsdns-04.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1062.awsdns-04.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1659.awsdns-15.co.uk
ns-1014.awsdns-62.net
ns-1062.awsdns-04.org
ns-138.awsdns-17.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=blxdxqw5._spf._d.mim.ec
📊 DNS lookups: 1/10
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 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
26 records- MS=ms26276899
- adobe-idp-site-verification=182414dcc1b0b6ca70885d0e6bc13655e95e21e3d5610daa02961229f7bddac4
- SPFv=spf1 redirect=blxdxqw5._spf._d.mim.ec
- TAILSCALE-EQnSZihNEYDblrVAtYc0
- Q73rTY6W
- openai-domain-verification=dv-ehlxj9DQJK4TmYlMokFhsd48
- MS=ms42265855
- msfpkey=1w1yavl85rrp541tqw238tfpi
- E5VOINWFOD._autotask.cyber.withum.com
- smartsheet-site-validation=sugx8rUToM_hF5WlzFVbnuD3P4UwWYmg
- t4k4mp8uki9tv97qokh5s1pn9e
- Yk9v39nfX7wF1upsgYItLgV78M2JnOXf/P6wx5ohg39YaXCS02JeXVsCBlfcLjgRC8JXt5PMRrlGcA19NFzoOA==
- r37lp0quv7m6kihsqbremqbcsr
- pendo-domain-verification=bTy7M2c2LcS_8ls6o7H5g8tfM8M
- k46q9kepl0d0h8en0977ujk5in
- duo_sso_verification=UtCUFiEITIyWmhMVgewEzedJSvqEKUFgOJVQ6SESjhFqOwyCCzY5sMmDm8OQqesN
- postman-domain-verification=e6c889afe2fd7111881339a1c3695977267c6f6bcb10446951adce605ace448506392c9097bee4135fe740125d492803cb27a81687834d69adcee4013cd6014a
- docusign=64ad0412-a4f3-46b5-b7a6-ffa3f383cbe7
- fquh1n1i7gsgcm99moafrhaao7
- s1j8bprjpdci66g9juacc5qoiu
- docusign=8ff04cfa-7cfd-4a32-9d07-0be124b974fd
- brevo-code:85f1fee24dd8790cfe328f4355b57167
- facebook-domain-verification=eyoab4vgm1tceza10aunqpm08qcvvc
- miro-verification=ca10185fa164f8bf15b44d7755b4ceb3f99ffab5
- apple-domain-verification=d6q_ws_VRTVo3dRnxqyOIpriqVzIc2LBsowPCk9k6Lk
- google-site-verification=pc1a9jXGZWfA1XHf2Z466SDQc-AgNOSHRV8BsWx2OBE
Full email verification for withum.com
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