Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
portt.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 07:26:28 UTC · ↺ Refresh
MX Hostnames
- portt-co-uk.mail.protection.outlook.com
MX Priorities
- portt-co-uk.mail.protection.outlook.com: 10
A / AAAA Records
- 104.21.47.82 (no PTR)
- 172.67.170.201 (no PTR)
- 2606:4700:3030::6815:2f52
- 2606:4700:3034::ac43:aac9
Mail Server IPs
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
adele.ns.cloudflare.com dns.cloudflare.com 2399285466 10000 2400 604800 1800
Primary NS (mname)
adele.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399285466
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
adele.ns.cloudflare.com
sergi.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:sendgrid.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
mail._domainkey
k1._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
10 records- google-site-verification=_94Fqpqop49gNCqjTu-f2ksqJLblgHiOm8pUvYjPg7k
- google-site-verification=i9CPOfYNC70EVQ027gFPPGVBkzABRgLxYcu6O_c-M_w
- linkedin-site-verification=9f83db95-4f07-41bc-a60e-14e8b48bf775
- mandrill_verify.OFAuBbew9N6rE9Um6CBLTA
- SPFv=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:sendgrid.net -all
- MS=ms40362762
- brevo-code:18d6e948e09cf2285d6a668ddbc8dac5
- brevo-code:8ccf7beec268845351751e951ea2acdf
- brevo-code:a9d0fb22267dfcb00ef962f9164d32de
- google-site-verification=63pK_SIsAqCC-tQKb4IPlyADMDati3YEGJz0Ifd-8fc
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