Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
pennyandsinclair.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 13:13:13 UTC · ↺ Refresh
MX Hostnames
- pennyandsinclair-co-uk.mail.protection.outlook.com
MX Priorities
- pennyandsinclair-co-uk.mail.protection.outlook.com: 10
A / AAAA Records
- 75.2.71.166 ↩ a3d1ebc8c42d030f3.awsglobalaccelerator.com
Mail Server IPs
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
auth01.dns.pblin.net hostmaster.pblin.net 2025040102 3600 300 2419200 86400
Primary NS (mname)
auth01.dns.pblin.net
Admin Email (rname)
hostmaster@pblin.net
Serial
2025040102
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
86400s
Nameservers (NS)
auth01.dns.pblin.net
auth02.dns.pblin.net
SPF Record
✓ Strict (-all)
v=spf1 mx a include:sendgrid.net include:spf.protection.outlook.com include:_spf.pblin.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; fo=0; ri=86400; 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
✓ 2 found
selector1._domainkey
selector2._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
1 record- SPFv=spf1 mx a include:sendgrid.net include:spf.protection.outlook.com include:_spf.pblin.net -all
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