Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
advanstar.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 06:24:31 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
- 104.21.42.24 (no PTR)
- 172.67.199.64 (no PTR)
- 2606:4700:3033::ac43:c740 (no PTR)
- 2606:4700:3031::6815:2a18 (no PTR)
Mail Server IPs
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns1.informadns.com dns.cloudflare.com 2398827863 10000 2400 604800 1800
Primary NS (mname)
ns1.informadns.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398827863
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns2.informadns.com
ns1.informadns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_u.advanstar.com._spf.smart.ondmarc.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=ms26801675
- P2A_7556_5
- SPFv=spf1 include:_u.advanstar.com._spf.smart.ondmarc.com ~all
- 285945647-13673401
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