Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
maersktankers.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 21:50:20 UTC · ↺ Refresh
MX Hostnames
- maersktankers-com.h-v1.mx.microsoft
MX Priorities
- maersktankers-com.h-v1.mx.microsoft: 0
A / AAAA Records
- 104.198.14.52 ↩ 52.14.198.104.bc.googleusercontent.com
Mail Server IPs
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
nsa.perf1.fr technical.nameshield.net 2026031901 28800 7200 604800 7200
Primary NS (mname)
nsa.perf1.fr
Admin Email (rname)
technical@nameshield.net
Serial
2026031901
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
7200s
Nameservers (NS)
nsb.perf1.com
nsc.perf1.com
nsa.perf1.fr
SPF Record
✓ Strict (-all)
v=spf1 include:_spf61400.spf-protect.dk -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; ruf=mailto:[email protected]; rua=mailto:[email protected]; pct=100; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._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
12 records- kq6q8uumt6gj5n1tg5ct55gm1o
- apple-domain-verification=cPrru7GsDXoJnOUA
- MS=ms31262122
- google-site-verification=_8Av3VoMtIM6Xulot9ECIG1fCBdmfR0TMaMAMEy_S2k
- 6bf7mqpntcdss113bil57mgu9t
- 7d43f4638c4d4c88887a3e09e116f10c
- 68jqbs8pkly5dhnt3wx6hjm47hhcnyjh
- maersktankers-prod-405060-cd.azurewebsites.net
- adobe-idp-site-verification=97c9644f5489f71a4fbda8ce149da46ebd32c5bd403b373138611fbfb3371bdd
- SPFv=spf1 include:_spf61400.spf-protect.dk -all
- _globalsign-domain-verification=55cJNJsyAvcDcj3N_L5Gnsg5EaFqR5_vHLQuZFAywo
- _globalsign-domain-verification=owLgCLOClFFX35G45M6nl5eA3f-JwTxrVMMejGbaks
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 maersktankers.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits