Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
octopusenergy.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 17:34:52 UTC · ↺ Refresh
MX Hostnames
- eu-smtp-inbound-1.mimecast.com
- eu-smtp-inbound-2.mimecast.com
MX Priorities
- eu-smtp-inbound-2.mimecast.com: 10
- eu-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
- 195.130.217.211 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.201 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.211 ↩ eu-smtp-inbound-2.mimecast.com
- 195.130.217.201 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.241 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.241 ↩ eu-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns-1633.awsdns-12.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1633.awsdns-12.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1469.awsdns-55.org
ns-1633.awsdns-12.co.uk
ns-448.awsdns-56.com
ns-779.awsdns-33.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:eu._netblocks.mimecast.com ~all
📊 DNS lookups: 2/10
~ 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
✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
17 records- lucid-verification=l1tua35y02gvs78xac86
- stripe-verification=1885db1214e476826d1a4b7541b6d7bd487bb2d7abdcedf59f2b453c375b33d0
- uber-domain-verification=de831adb-3daf-4d0d-b046-b8d56390ebd2
- slack-domain-verification=9HckegvWtaLQIcIcqm56p3WfzoefAZjbs40sNWgP
- miro-verification=5ce901efe3b65a77edef3eb86edeb7ddac1796e6
- apple-domain-verification=j4v4NqVqQE3Wm8hV
- google-site-verification=LvdXAtk9SI2csFcKSgYHtDKrtzMX5TR2wLQpW1BGz-k
- TAILSCALE-4LpzOmHsOmOm3HMxPfmu
- 1password-site-verification=KFDFL7CY6FGJZMZVEAC3S6IEOI
- rovag_verification_token=96CF10502F1143E5A5C243B394BD9CB1
- h1-domain-verification=MnJe6TvKgHDt2t9pC6VUs1SUoFodK2sXjj4THEM9eKZQPt3D
- SPFv=spf1 include:_spf.google.com include:eu._netblocks.mimecast.com ~all
- plain-rdmbumimq1v1yycypmrnbqya035dxh
- ZOOM_verify_r_EjfAo_TcKCZO62Kf-5vA
- parallels-domain-verification=ed0d9aec395340fbac51068f7d5f711443960cec65a24d12979673930820c85a
- MS=ms56603452
- atlassian-domain-verification=CN8tC0EzCwpBE47l0opzfngASPSaZbZK684Zurvl2ZxBnzAbbyDvjbI/gGjgUaf4
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for octopusenergy.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits