Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
closebrothers.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 14:08:25 UTC · ↺ Refresh
MX Hostnames
- eu-smtp-inbound-2.mimecast.com
- eu-smtp-inbound-1.mimecast.com
MX Priorities
- eu-smtp-inbound-2.mimecast.com: 10
- eu-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 45.60.155.152 (no PTR)
- 45.60.167.152 (no PTR)
- 2001:4801:7901::aff8:a2d8:0:137c (no PTR)
Mail Server IPs
- 195.130.217.201 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.211 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.211 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.241 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.241 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.201 ↩ eu-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
pdns67.ultradns.com italerts.closebrothers.com 2019126401 1200 900 604800 900
Primary NS (mname)
pdns67.ultradns.com
Admin Email (rname)
italerts@closebrothers.com
Serial
2019126401
Refresh
1200s
Retry
900s
Expire
604800s
Minimum TTL
900s
Nameservers (NS)
pdns5.ultradns.info
pdns6.ultradns.co.uk
pdns1.ultradns.net
pdns2.ultradns.net
pdns3.ultradns.org
pdns4.ultradns.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:eu._netblocks.mimecast.com include:_spf.salesforce.com include:mailgun.org mx:iress.co.uk ip4:203.192.70.2/32 ip4:103.3.197.47/32 ip4:103.3.199.47/32 ip4:46.231.185.64/32 ip4:46.231.185.58/32 ip4:87.253.232.0/21 ip4:185.189.236.0/22 ip4:185.211.120.0/22 ip4:185.250.236.0/22 ip4:92.52.73.70/31 ip4:45.14.148.0/22 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
19 records- pardot584983=5b177e6bcc4cd66ef7c590522fee2b37de8e17bb9210b70abcd08204d4e6090c
- docusign=51473578-e8d5-42a1-99b1-dbe7d749e0d7
- cisco-ci-domain-verification=4739568a351b7a289102c5cd3884bd0e9e6456070b7877f518227cb6dd408b76
- miro-verification=aba7ea34a9d828e55bfcacfd25c1dbd9179c3c67
- webexdomainverification.4C675B8B2B5CB136E053AB06FC0A3F65=926e2919-08fd-4d58-aa1f-40265a543d83
- apple-domain-verification=uXTvtBvOeaBMzVMX
- docusign=a00f656e-6874-454a-91cc-ad72c779b73b
- VSwQpk1gR1A6+DjDfRqlk6+IpghaYwn2lImqEeZ7vYML4JvhJhpRhpYQFim5qSbkNqPCFY7myk8KTKadThCRvA==
- google-site-verification=FZEoiHPWKS_ePL-dyE0oPt9uMXIkXW0Q1gfz1X3IBCE
- apple-domain-verification=j9cTAi4tcTGsiqks
- gitlab-pages-verification-code=260caf42f309f5994da1729ea246a699
- k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDGoQCNwAQdJBy23MrShs1EuHqK/dtDC33QrTqgWd9CJmtM3CK2ZiTYugkhcxnkEtGbzg+IJqcDRNkZHyoRezTf6QbinBB2dbyANEuwKI5DVRBFowQOj9zvM3IvxAEboMlb0szUjAoML94HOkKuGuCkdZ1gbVEi3GcVwrIQphal1QIDAQAB;
- gWX4sVFdtYFiDM1WDwmn+Jj9d/9dFhQcsiabLzteY0ArA16PNCjy813wdxZeV06+fNqNEIbdolxjZOewuOuogg==
- google-site-verification=YtfowGHDcckzff05n3D6-ZEDjCB6Z_NN8MfRQIs5gMk
- SPFv=spf1 include:spf.protection.outlook.com include:eu._netblocks.mimecast.com include:_spf.salesforce.com include:mailgun.org mx:iress.co.uk ip4:203.192.70.2/32 ip4:103.3.197.47/32 ip4:103.3.199.47/32 ip4:46.231.185.64/32 ip4:46.231.185.58/32 ip4:87.253.232.0/21 ip4:185.189.236.0/22 ip4:185.211.120.0/22 ip4:185.250.236.0/22 ip4:92.52.73.70/31 ip4:45.14.148.0/22 -all
- sending_domain1006522=6c699f23c0ded7be1f8f64df137171a0206e3a9edeb82de87a74dde86be4eec9
- intersight=0c5829f6211b3889b86d5d9e41e8b819a429fd239f184582fb48215226354ac8
- docusign=824850d4-980a-4b35-aa48-c7673515655f
- MS=9734128FC4ACE26CBDDA9DAFD073DAC78618FE72
Full email verification for closebrothers.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits