Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
thefirstmile.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 03:59:35 UTC · ↺ Refresh
MX Hostnames
- thefirstmile-co-uk.mail.protection.outlook.com
MX Priorities
- thefirstmile-co-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 217.114.94.2 (no PTR)
Mail Server IPs
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns63.domaincontrol.com dns.jomax.net 2026021803 28800 7200 604800 600
Primary NS (mname)
ns63.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026021803
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns64.domaincontrol.com
ns63.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:141.193.33.66 include:spf.protection.outlook.com include:mailgun.org include:_spf.salesforce.com include:sendgrid.net include:zcsend.net include:147408279.spf10.hubspotemail.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
3 records- SPFv=spf1 ip4:141.193.33.66 include:spf.protection.outlook.com include:mailgun.org include:_spf.salesforce.com include:sendgrid.net include:zcsend.net include:147408279.spf10.hubspotemail.net -all
- google-site-verification=stpE6h8tpBngMje-DpS19CXHJ-asfPsSmXegabbQEMU
- google-site-verification=W2qUiXwD0-HEi1_smR_c4m25rvz_DyHbVEvN54MRx10
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