Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
myddeltonmajor.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 14:12:33 UTC · ↺ Refresh
MX Hostnames
- myddeltonmajor-co-uk.mail.protection.outlook.com
MX Priorities
- myddeltonmajor-co-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 77.72.2.105 ↩ p105.lon.krystal.io
Mail Server IPs
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns05.domaincontrol.com dns.jomax.net 2025112800 28800 7200 604800 600
Primary NS (mname)
ns05.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025112800
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns06.domaincontrol.com
ns05.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:185.181.116.160/32 ip4:77.72.2.105/32 ip4:81.168.90.190/32 ip4:185.21.208.202/32 include:spf.protection.outlook.com include:sendgrid.net include:mailgun.org include:_spf.createsend.com -all
📊 DNS lookups: 4/10
✓ 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
✓ 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
2 records- krystal-domain-verification
- SPFv=spf1 ip4:185.181.116.160/32 ip4:77.72.2.105/32 ip4:81.168.90.190/32 ip4:185.21.208.202/32 include:spf.protection.outlook.com include:sendgrid.net include:mailgun.org include:_spf.createsend.com -all
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