Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
katzkin.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 04:45:27 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 104.26.0.202 (no PTR)
- 172.67.69.89 (no PTR)
- 104.26.1.202 (no PTR)
- 2606:4700:20::681a:1ca (no PTR)
- 2606:4700:20::681a:ca
- 2606:4700:20::ac43:4559
Mail Server IPs
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
rob.ns.cloudflare.com dns.cloudflare.com 2402525614 10000 2400 604800 1800
Primary NS (mname)
rob.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2402525614
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
rob.ns.cloudflare.com
zelda.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:67.227.165.154 include:_spf.salesforce.com include:spf.intermedia.net include:us._netblocks.mimecast.com include:aspmx.pardot.com include:spf.constantcontact.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; aspf=s; adkim=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- 0ed1fe018ae733b5f0d2304fb78acbaf4405c77228
- MS=ms75563316
- google-site-verification=7tLoL4rENrZj_AHdJLQ2K-K1bExhT93msa-HzsIyphY
- google-site-verification=922Q1tkjjcY5cCdCJ9M3a_ytnP6HLgIby98DWGC4rTk
- google-site-verification=dxs4Pl0GeCGypb88eTyHD27akfFJijvguF73Gbg59aI
- pardot946852=ed8163db25a96c3e70e5bfe5861af19d3c4205de7214c86d3b15295b523d6166
- SPFv=spf1 ip4:67.227.165.154 include:_spf.salesforce.com include:spf.intermedia.net include:us._netblocks.mimecast.com include:aspmx.pardot.com include:spf.constantcontact.com ~all
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