Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dncolleges.ac.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 06:21:56 UTC · ↺ Refresh
MX Hostnames
- dncolleges-ac-uk.mail.protection.outlook.com
MX Priorities
- dncolleges-ac-uk.mail.protection.outlook.com: 5
A / AAAA Records
- 92.205.29.253 ↩ 253.29.205.92.host.secureserver.net
Mail Server IPs
- 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
- 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
- 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
- 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::1 ↩ mail-lo3p265cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca0b:: ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.nlc.ac.uk hostmaster.northlindsey.ac.uk 2026020301 1200 7200 864000 1200
Primary NS (mname)
dns1.nlc.ac.uk
Admin Email (rname)
hostmaster@northlindsey.ac.uk
Serial
2026020301
Refresh
1200s
Retry
7200s
Expire
864000s
Minimum TTL
1200s
Nameservers (NS)
ns3.ja.net
dns1.nlc.ac.uk
SPF Record
✓ Strict (-all)
v=spf1 ip4:195.195.239.162 ip4:194.80.186.80 ip4:80.93.168.194 include:secureserver.net include:spf.topdesk.net include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;pct=0; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 0% of failing messages only
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
s1._domainkey
✓ Public key: 392 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
9 records- MS=ms17812254
- E8DEB2B8-0BBC-447E-81BC-D372D332A67A
- google-site-verification=zJNL65MW89u_IE0aqJIauUifVZGevPKK8IXB25zNZVg
- QuoVadis=c462296b-32ea-4eae-83ea-499e7c7fc559
- work-accounts-domain-verification=CewpTwDAFm6K4HZCQxkyjxgHcYJv10
- SPFv=spf1 ip4:195.195.239.162 ip4:194.80.186.80 ip4:80.93.168.194 include:secureserver.net include:spf.topdesk.net include:spf.protection.outlook.com -all
- autodesk-domain-verification=lWefhWboBSqpgTJeOHIM
- autodesk-domain-verification=C7rCDJH08pcXXgrQGdTX
- google-site-verification=lYEPEneVvdRxpY_RMhJLFQVqZwqJOZIUF1VWsyF2_po
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