Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
historicengland.org.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-18 06:20:26 UTC · ↺ Refresh
MX Hostnames
- historicengland-org-uk.mail.protection.outlook.com
MX Priorities
- historicengland-org-uk.mail.protection.outlook.com: 5
A / AAAA Records
- 104.18.10.158 (no PTR)
- 104.18.11.158 (no PTR)
- 2606:4700::6812:a9e
- 2606:4700::6812:b9e
Mail Server IPs
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
alexis.ns.cloudflare.com dns.cloudflare.com 2403993777 10000 2400 604800 1800
Primary NS (mname)
alexis.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2403993777
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
alexis.ns.cloudflare.com
jean.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:sendgrid.net include:_spf.salesforce.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;pct=100;rua=mailto:[email protected];ri=86400;fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → 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
5 records- MS=ms93943323
- apple-domain-verification=BeUZmZDjXQ0rhUFk
- teamviewer-sso-verification=c38e00a67cf44496ba574ba3ea2760ba
- SPFv=spf1 mx include:sendgrid.net include:_spf.salesforce.com include:spf.protection.outlook.com -all
- JWNwN+zwcEVktNM2+ZmCsp5o0SJ7uMyHMMcp0iUB9QzU2ZHi8yeDLwh57HFDdfdCLzBBw3weSNHkoNnHkV6cmQ==
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