Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
holbornassets.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 22:20:02 UTC · ↺ Refresh
MX Hostnames
- holbornassets-com.mail.protection.outlook.com
MX Priorities
- holbornassets-com.mail.protection.outlook.com: 0
A / AAAA Records
- 75.2.60.5 ↩ acd89244c803f7181.awsglobalaccelerator.com
Mail Server IPs
- 52.101.148.13 ↩ mail-dx2p273cu00205.inbound.protection.outlook.com
- 52.101.147.1 ↩ mail-au1p273cu00101.inbound.protection.outlook.com
- 52.101.148.3 ↩ mail-dx3p273cu00103.inbound.protection.outlook.com
- 52.101.148.1 ↩ mail-dx1p273cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
chip.ns.cloudflare.com dns.cloudflare.com 2398538793 10000 2400 604800 1800
Primary NS (mname)
chip.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398538793
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
maya.ns.cloudflare.com
chip.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:servers.mcsv.net include:transmail.net include:_spf.eu.messagegears.net include:archwayprivatewealth-us.spf.smtp25.com include:_spf.mlsend.com include:_spf.spotlergroup.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._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
5 records- MS=ms32889158
- MS=ms78688056
- aCKuyETV8DQw6lHD0lYOHBEA07ng1RkZWyOF5c929RA
- ca3-1b34e2daabae4d5ab4739e7531556d25
- SPFv=spf1 mx include:spf.protection.outlook.com include:servers.mcsv.net include:transmail.net include:_spf.eu.messagegears.net include:archwayprivatewealth-us.spf.smtp25.com include:_spf.mlsend.com include:_spf.spotlergroup.com -all
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