Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
suncoke.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 21:24:44 UTC · ↺ Refresh
MX Hostnames
- mxb-00552101.gslb.pphosted.com
- mxa-00552101.gslb.pphosted.com
MX Priorities
- mxb-00552101.gslb.pphosted.com: 10
- mxa-00552101.gslb.pphosted.com: 10
A / AAAA Records
- 52.17.142.199 ↩ ec2-52-17-142-199.eu-west-1.compute.amazonaws.com
Mail Server IPs
- 205.220.164.8 ↩ mx0a-00552101.pphosted.com
- 205.220.176.8 ↩ mx0b-00552101.pphosted.com
SOA Record
Raw SOA
ns39.worldnic.com namehost.worldnic.com 126030912 10800 3600 604800 3600
Primary NS (mname)
ns39.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126030912
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns39.worldnic.com
ns40.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf-00552101.pphosted.com include:_spf.q4press.com ip4:160.109.224.74 ip4:160.109.224.75 include:spf_c.oraclecloud.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
10 records- 6uq1jhaqbq0kj0jdaa31q6eg9g
- vlmgd8pdrhpd4t5donj7fddo4n
- v=verifydomain ms=ms90005507
- SPFv=spf1 include:spf.protection.outlook.com include:spf-00552101.pphosted.com include:_spf.q4press.com ip4:160.109.224.74 ip4:160.109.224.75 include:spf_c.oraclecloud.com ~all
- 55ec067rmdl9h8h2eed4ojuje1
- skqhmab8rj8e00tlk48385d1o7
- 2h5hlmsm1ihnlgv0p3l5k2bn7k
- adobe-idp-site-verification=c298d4a593ce5be92b9023145b6268d15c7ad671f5e9102e1e5ae0680ab2ab87
- ZOOM_verify_5rihVnZbfMlW1pHjI2f2LQ
- teamviewer-sso-verification=f428648c9076474fa111819bf2b39c32
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 suncoke.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits