Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sisk.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 05:31:10 UTC · ↺ Refresh
MX Hostnames
- smtp.nethop.ie
- sisk-co-uk.mail.protection.outlook.com
MX Priorities
- smtp.nethop.ie: 30
- sisk-co-uk.mail.protection.outlook.com: 25
A / AAAA Records
- 185.224.198.6 ↩ vps146.fastsecurehost.com
Mail Server IPs
- 82.198.129.243 ↩ smtp2.nethop.ie
- 82.198.129.227 ↩ 82-198-139-227.nethop.ie
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.blacknight.com hostmaster.blacknight.com 1275954499 14400 7200 2419200 3600
Primary NS (mname)
ns1.blacknight.com
Admin Email (rname)
hostmaster@blacknight.com
Serial
1275954499
Refresh
14400s
Retry
7200s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns3.blacknight.com
ns4.blacknight.com
ns1.blacknight.com
ns2.blacknight.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:93.94.119.196 ip4:82.198.141.134 ip4:162.247.160.0/21 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; pct=20;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 20% of failing messages only
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
6 records- MS=ms77753654
- D40ENruu9W1h6301/jFQefTZ/aYvIukOn5CRlp9oqoS7PhbNu43LsHRKftkflnaLY1niGzSIWovxUWfgWpdxnw==
- apple-domain-verification=y02bULNSDE96shCN
- GOOGLE-SITE-VERIFICATION=JGI-KGZ5IA_FIW4IOTBDFYAJJHQA8MFP8W9OK3PYBKW
- autodesk-domain-verification=twhr-mTEkcfz7S9ElhwE
- SPFv=spf1 ip4:93.94.119.196 ip4:82.198.141.134 ip4:162.247.160.0/21 include:spf.protection.outlook.com -all
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