Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
postoffice.co.uk
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 15:51:03 UTC · ↺ Refresh
MX Hostnames
- eu-smtp-inbound-1.mimecast.com
- eu-smtp-inbound-2.mimecast.com
MX Priorities
- eu-smtp-inbound-2.mimecast.com: 5
- eu-smtp-inbound-1.mimecast.com: 5
A / AAAA Records
- 23.48.224.110 ↩ a23-48-224-110.deploy.static.akamaitechnologies.com
- 23.48.224.113 ↩ a23-48-224-113.deploy.static.akamaitechnologies.com
- 2600:141b:1c00:36::17d2:5ca8 ↩ g2600-141b-1c00-0036-0000-0000-17d2-5ca8.deploy.static.akamaitechnologies.com
- 2600:141b:1c00:36::17d2:5ca9 ↩ g2600-141b-1c00-0036-0000-0000-17d2-5ca9.deploy.static.akamaitechnologies.com
Mail Server IPs
- 195.130.217.241 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.241 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.211 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.201 ↩ eu-smtp-inbound-1.mimecast.com
- 91.220.42.201 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.211 ↩ eu-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
a1-59.akam.net hostmaster.postoffice.co.uk 2025050754 3600 600 604800 300
Primary NS (mname)
a1-59.akam.net
Admin Email (rname)
hostmaster@postoffice.co.uk
Serial
2025050754
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
a24-64.akam.net
a5-64.akam.net
a12-65.akam.net
a13-67.akam.net
a2-64.akam.net
a1-59.akam.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
📊 DNS lookups: 1/10
~ 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
✓ 6 found
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
s1._domainkey
s2._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
16 records- fdnqw85wtpc0l0j2zqldpmv8swgjnn69
- asvdns_ce1be1d0-c649-4d4d-914a-4723a84ddfd0
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- google-site-verification=7tNagvYW7ZfVFtlh137vYtrFVa9zfTlB_zQXVra-4Jw
- brevo-code:70df7540dafa8ea20f0eccbc493bb5ae
- 0b5681d4de644757be50cd0d4bb829c7
- Yx6pmfE0NKAhkPOhxU7/gg==:E290-4DD2-CAB4-47A8-069D-B760-BD40-305D
- tc24pypwh8zrx9sm5x9dqrfj0y6sqpvj
- 00d4l000000cs6guas
- atlassian-domain-verification=2nVCQhH0s703CsXKBbesMRqPOAi7zOnDYbO2THRv3Sa2KQ7BhPBqawt5hSvWMZQL
- str7z0qd5sm76m407w3mzpktss2jh05z
- v1gc6w5fppxh1nsgwlxcd9hx49zd2gl1
- Yx6pmfE0NKAhkPOhxU7/gg==:FA9F-F46B-E75A-F4CC-CC91-75AF-1CF0-6B8C
- blhhqlt51ll46bq7jthrgl3jg55m86tq
- 0gtkfw2yg36xkx2z3hq5n8sdxf4shcb6
- google-site-verification=S4LejI4JQMNyMky20rLji9HDFlRoFmEtpzPdNw8V4rQ
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