national-arg.co.uk

Valid Email Server
Domain Lookup › national-arg.co.uk

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
national-arg.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-19 18:04:45 UTC · ↺ Refresh

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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

  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
  • 52.101.73.24 ↩ mail-as8pr05cu00300.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:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA ns-cloud-d1.googledomains.com cloud-dns-hostmaster.google.com 130 21600 3600 259200 300
Primary NS (mname)
ns-cloud-d1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
130
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s

Nameservers (NS)

ns-cloud-d4.googledomains.com
ns-cloud-d3.googledomains.com
ns-cloud-d1.googledomains.com
ns-cloud-d2.googledomains.com

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

✓ 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

4 records
  • _globalsign-domain-verification=9n8AQvL7qj642d8lHI9Z5OzWQpINMhFtjTIt6yin0X
  • _globalsign-domain-verification=K6CUadJJ3Mm4obytMLgSOsMc679It1tu-NcNpTKoHR
  • _globalsign-domain-verification=5zRJKniW2D-1NxVHrDaQb5JGg_X9V4_wLpe3M5-J6R
  • SPFv=spf1 include:spf.protection.outlook.com -all
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