Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
durhamlearning.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 05:39:33 UTC · ↺ Refresh
MX Hostnames
- durhamlearning-net.mail.protection.outlook.com
MX Priorities
- durhamlearning-net.mail.protection.outlook.com: 0
A / AAAA Records
- 45.145.103.73 ↩ 45.145.103.73.srvlist.ukfast.net
Mail Server IPs
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-07.azure-dns.com admin.derwentside.net 2022063000 900 600 86400 3600
Primary NS (mname)
ns1-07.azure-dns.com
Admin Email (rname)
admin@derwentside.net
Serial
2022063000
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
ns4-07.azure-dns.info
ns1-07.azure-dns.com
ns2-07.azure-dns.net
ns3-07.azure-dns.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:167.89.31.108 ip4:167.89.41.132 ip4:167.89.41.137 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];rf=afrf;ri=86400;fo=1;adkim=s;aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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- QuoVadis=18458185-0ebe-4606-8f09-8e6ad5089223
- apple-domain-verification=xdRguMZH3g6szBf5
- apple-domain-verification=LLJMHtxjL36Km3cb
- apple-domain-verification=F96nxgrfbOL8XZdj
- apple-domain-verification=6sZRUu7U3Bif7oMn
- apple-domain-verification=SylyTBGBp6ePQTsB
- MS=ms10003510
- SPFv=spf1 ip4:167.89.31.108 ip4:167.89.41.132 ip4:167.89.41.137 include:spf.protection.outlook.com -all
- google-site-verification=eA1WiKWzKEilbrUJGUQ1nm4ocAXL39qpnEqbpgPNg1M
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