Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
proskauer.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 05:15:16 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
- 13.107.246.40 (no PTR)
- 13.107.213.40 (no PTR)
- 2620:1ec:48:1::41 (no PTR)
- 2620:1ec:29:1::41 (no PTR)
Mail Server IPs
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ 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
SOA Record
Raw SOA
pdns89.ultradns.com itsystems.proskauer.com 2017069488 21600 3600 1728000 21600
Primary NS (mname)
pdns89.ultradns.com
Admin Email (rname)
itsystems@proskauer.com
Serial
2017069488
Refresh
21600s
Retry
3600s
Expire
1728000s
Minimum TTL
21600s
Nameservers (NS)
pdns89.ultradns.net
pdns89.ultradns.org
pdns89.ultradns.biz
pdns89.ultradns.com
SPF Record
✓ Strict (-all)
v=spf1 include:_netblocks.mimecast.com include:spf-us.vx-email.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; ri=3600;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
13 records- _7vlvsdrwc6yzmpkt9wtd0lunohz268l
- MS=6DE8C79123D97BB2F2E30CD6D7F52EFC07B9E386
- citrix.mobile.ads.otp=mb4yoxp8e71mrp96hbdsj
- docusign=80d495ed-f8b5-48fb-b38c-1e052f1836c8
- openai-domain-verification=dv-V0eljae2R7BtvlSK8BfocZQQ
- smartsheet-site-validation=vqHcpt0JtdZS8j6Nma8NctpV6zqJBVz2
- google-site-verification=Gp8_jto5Y1riXnE4QT_T0d9gZMOXhhtK8F6Ggb-Uiws
- SPFv=spf1 include:_netblocks.mimecast.com include:spf-us.vx-email.com -all
- DirectFedAuthUrl=https://login.microsoftonline.com/0e460de5-eb97-4df9-b4f7-0cd9003b552c/saml2
- cisco-ci-domain-verification=7966630a4e5eebe5db240568c6471cdf9c73c672ba05a8e7ee86b156a3e97900
- dell-technologies-domain-verification=proskauer.com_f35d27ca-6008-4cbf-9bb1-790c0b139c97_1688673823
- 45ycxpbtf294c7b3yrmx3gcsr31g7xxq
- 4vg8g6d162lknjk063hywq32d5tpnbw4
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