Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stromma.no
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 17:19:43 UTC · ↺ Refresh
MX Hostnames
- eu-smtp-inbound-1.mimecast.com
- eu-smtp-inbound-2.mimecast.com
MX Priorities
- eu-smtp-inbound-1.mimecast.com: 10
- eu-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 23.33.42.91 ↩ a23-33-42-91.deploy.static.akamaitechnologies.com
- 23.33.42.86 ↩ a23-33-42-86.deploy.static.akamaitechnologies.com
- 2600:141b:f000:36::1728:12a3 ↩ g2600-141b-f000-0036-0000-0000-1728-12a3.deploy.static.akamaitechnologies.com
- 2600:141b:f000:36::1728:12aa ↩ g2600-141b-f000-0036-0000-0000-1728-12aa.deploy.static.akamaitechnologies.com
Mail Server IPs
- 91.220.42.201 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.211 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.241 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.201 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.241 ↩ eu-smtp-inbound-1.mimecast.com
- 91.220.42.211 ↩ eu-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns1.nodesecure.com 1net4u.cygate.se 2025121103 14400 3600 2419200 900
Primary NS (mname)
ns1.nodesecure.com
Admin Email (rname)
1net4u@cygate.se
Serial
2025121103
Refresh
14400s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
ns2.nodesecure.de
ns1.nodesecure.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_u.stromma.no._spf.smart.ondmarc.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; fo=0; rf=afrf; ri=3600
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- SPFv=spf1 include:_u.stromma.no._spf.smart.ondmarc.com ~all
- google-site-verification=BueGITU7FSaT4G3oNzjRcJX-2T0WrQgZK-IEiZk9Kmw
- _57aslcc1q3eu64cuf133wa1bmkprrik
- 4EWnfFrenPQTeD00BF1+WmIEYNJQbCLzW3pBZwewPHo=
- MS=ms18515687
- j20zj9023nkt7bddbvxjkf8s7zlr8w17
- 0ed1fe018a436d834898204619a81615f95eb5d9b1
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 stromma.no
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits