Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
peakcampus.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 03:40:02 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 3.33.251.168 ↩ aec037177372cc6cd.awsglobalaccelerator.com
- 15.197.225.128 ↩ aec037177372cc6cd.awsglobalaccelerator.com
Mail Server IPs
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns19.domaincontrol.com dns.jomax.net 2026021200 28800 7200 604800 3600
Primary NS (mname)
ns19.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026021200
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns19.domaincontrol.com
ns20.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:us._netblocks.mimecast.com include:spf2.peakcampus.com include:spf3.peakcampus.com include:spf4.peakcampus.com include:spf5.peakcampus.com include:spf6.peakcampus.com include:spf11.peakcampus.com include:spf12.peakcampus.com include:spf13.peakcampus.com include:spf15.peakcampus.com -all
📊 DNS lookups: 10/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=75; ri=43200; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; adkim=r; aspf=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 75% of failing messages only
DKIM Selectors
✓ 4 found
google._domainkey
k1._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
8 records- google-site-verification=Q1eg4dwG4Xhw3Sm64GIBnRhK7tj8PnhZ_dph9kXA7Pk
- _073bj4cv1eh4hq139wc94h65pu7jbpk
- SPFv=spf1 include:us._netblocks.mimecast.com include:spf2.peakcampus.com include:spf3.peakcampus.com include:spf4.peakcampus.com include:spf5.peakcampus.com include:spf6.peakcampus.com include:spf11.peakcampus.com include:spf12.peakcampus.com include:spf13.peakcampus.com include:spf15.peakcampus.com -all
- MS=ms53864779
- n84hf7ntjnghg6ksbnhgkt99l8n011n8
- o5tQt4P5okmD+4/9ysFUAS66R3kTm9RuQKjrk8icHhx4Q5jQXDl4wKIrYx6CZfs1lkq6f7CrM/qMRcMEM1/gDA==
- lyw26v7nspdl2w5fyq41flv4z73ttpmj
- hr23g7l7fv7ygp98x1zxtdsslr0q883n
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