Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
holtlunsford.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 15:58:06 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
- 141.193.213.11 (no PTR)
- 141.193.213.10 (no PTR)
Mail Server IPs
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns99.worldnic.com namehost.worldnic.com 126032719 10800 3600 604800 3600
Primary NS (mname)
ns99.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126032719
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns100.worldnic.com
ns99.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.intacct.com include:asp-spf1.yardi.com include:asp-spf2.yardi.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 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
6 records- bw=oLoRn5DMDxlbcwHEImEaXGaYpOJ0s1HAmOsqizrT1Z5k
- SPFv=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.intacct.com include:asp-spf1.yardi.com include:asp-spf2.yardi.com -all
- MS=ms66541196
- intacct-esk=4FED1A6173761231E053EB06A8C0E242
- 0ed1fe018aa21e96e3884345059bc3ec5179008a9d
- knowbe4-site-verification=790fa941e546bf6228a3bb998b22a454
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