Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
siliconpractice.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 20:52:02 UTC · ↺ Refresh
MX Hostnames
- siliconpractice-co-uk.mail.protection.outlook.com
MX Priorities
- siliconpractice-co-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 18.171.193.206 ↩ ec2-18-171-193-206.eu-west-2.compute.amazonaws.com
Mail Server IPs
- 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
- 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
- 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
- 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::1 ↩ mail-lo3p265cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca1a:: ↩ mail-cwxp265cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-729.awsdns-27.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-729.awsdns-27.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1075.awsdns-06.org
ns-1762.awsdns-28.co.uk
ns-5.awsdns-00.com
ns-729.awsdns-27.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:eu.zcsend.net include:eu-sender.zohobooks.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
4 records- DKIMv=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCwoa1Z/ojiKDXh3wZZUoG06FLAhbX02WMpl156Wp9sfrMyspZzvGF0dwn/zC1KNRRVcYOOFGA7aOfmNBMTD5qVok5JSimHJ5LUnf60dMug0RLblcZ/0KwgOynwylAmSfM0h8mFsjMs7+4Goh9Yd5uqbmitv1A7m0m780RD8OwQQQIDAQAB
- SPFv=spf1 include:eu.zcsend.net include:eu-sender.zohobooks.com include:spf.protection.outlook.com ~all
- zoho-verification=zb98265402.zmverify.zoho.eu
- atlassian-sending-domain-verification=66b79b56-25d9-4be4-bf19-c4a7cf7c718c
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