Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gmt-solutions.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 23:28:03 UTC · ↺ Refresh
MX Hostnames
- gmtsolutions-co-uk0i.mail.protection.outlook.com
MX Priorities
- gmtsolutions-co-uk0i.mail.protection.outlook.com: 0
A / AAAA Records
- 209.124.66.28 ↩ nl1-tr1.supercp.com
Mail Server IPs
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.supercp.com root.nl1-tr1.supercp.com 2026030500 3600 1800 1209600 86400
Primary NS (mname)
ns1.supercp.com
Admin Email (rname)
root@nl1-tr1.supercp.com
Serial
2026030500
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.supercp.com
ns2.supercp.com
ns3.supercp.com
ns4.supercp.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
4 records- ppe-4c6186b1dd60b45ae7f066a63ce5c54855725899
- SPFv=spf1 include:spf.protection.outlook.com -all
- google-site-verification=-DyBCKmZHG50hntA5gRO8OQBiGzOT1YCV5QmRv0GyCA
- as=1560776138
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