gainsborough-nur.lincs.sch.uk

Valid Email Server
Domain Lookup › gainsborough-nur.lincs.sch.uk

Domain Overview

DNS: ✓ just now Checker: ✓ just now
gainsborough-nur.lincs.sch.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-01 22:30:38 UTC · ↺ Refresh

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MX Hostnames

  • gainsboroughnur-lincs-sch-uk03b.mail.protection.outlook.com

MX Priorities

  • gainsboroughnur-lincs-sch-uk03b.mail.protection.outlook.com: 0

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns0.ukfast.net support.ukfast.co.uk 2026030601 60 60 60 60
Primary NS (mname)
ns0.ukfast.net
Admin Email (rname)
support@ukfast.co.uk
Serial
2026030601
Refresh
60s
Retry
60s
Expire
60s
Minimum TTL
60s

Nameservers (NS)

ns0.ukfast.net
ns1.ukfast.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:195.206.189.201 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No 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

1 record
  • SPFv=spf1 ip4:195.206.189.201 include:spf.protection.outlook.com -all
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