Domain Overview
DNS: ✓ just now
Checker: ✓ just now
national-arg.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-06-02 02:11:32 UTC · ↺ Refresh
MX Hostnames
- nationalarg-co-uk02b.mail.protection.outlook.com
MX Priorities
- nationalarg-co-uk02b.mail.protection.outlook.com: 1
A / AAAA Records
- 35.246.2.65 ↩ 65.2.246.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.livedns.co.uk admin.national-arg.co.uk 1572364734 10800 3600 604800 3600
Primary NS (mname)
ns1.livedns.co.uk
Admin Email (rname)
admin@national-arg.co.uk
Serial
1572364734
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3.livedns.co.uk
ns1.livedns.co.uk
ns2.livedns.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject; ri=84600;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- _globalsign-domain-verification=5zRJKniW2D-1NxVHrDaQb5JGg_X9V4_wLpe3M5-J6R
- _globalsign-domain-verification=9n8AQvL7qj642d8lHI9Z5OzWQpINMhFtjTIt6yin0X
- _globalsign-domain-verification=K6CUadJJ3Mm4obytMLgSOsMc679It1tu-NcNpTKoHR
- SPFv=spf1 include:spf.protection.outlook.com -all
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