Domain Overview
DNS: ✓ just now
Checker: ✓ just now
sundyne.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 05:51:00 UTC · ↺ Refresh
MX Hostnames
- sundyne-com.mail.protection.outlook.com
MX Priorities
- sundyne-com.mail.protection.outlook.com: 0
A / AAAA Records
- 34.73.198.132 ↩ 132.198.73.34.bc.googleusercontent.com
Mail Server IPs
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns29.worldnic.com namehost.worldnic.com 126041021 10800 3600 604800 3600
Primary NS (mname)
ns29.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126041021
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns29.worldnic.com
ns30.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:13.67.237.96 ip4:209.177.160.9 ip4:54.214.8.208 ip4:54.245.244.45 ip4:52.30.113.193 ip4:64.14.245.0/24 ip4:94.236.52.128/28 ip4:146.82.105.1 ip4:10.189.32.134 ip4:66.132.220.95 ip4:66.132.220.96/28 ip4:67.227.149.14 ip4:67.227.149.16 ip4:64.37.236.0/23 ip4:216.182.220.0/23 ip4:205.219.85.0/24 ip4:216.118.201.112/28 ip4:52.0.98.34 include:spfb.sundyne.com include:us._netblocks.mimecast.com include:_spf.messagegears.net ip4:138.1.36.217 include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
8 records- a87uansgp3coc9jn12vlsp0lj
- 34e09891bab740fca0d0aee91d3332ac
- apple-domain-verification=NfvI8rS2jwh93iry
- cisco-ci-domain-verification=3e9b2abd1d44e87c1ad11c7b0436be59e1916590bf7a1b022a0b3c6cb4af8b7d
- 5df504fa6db34c438bfd5565ced81f70
- 0ed1fe018aafd9690ccb974e41bfcad161ec43e81e
- google-site-verification=fxZt9O9Xa8RBHEq2Qd6sRnrgpELzCgEm9lPoqZzG9no
- SPFv=spf1 ip4:13.67.237.96 ip4:209.177.160.9 ip4:54.214.8.208 ip4:54.245.244.45 ip4:52.30.113.193 ip4:64.14.245.0/24 ip4:94.236.52.128/28 ip4:146.82.105.1 ip4:10.189.32.134 ip4:66.132.220.95 ip4:66.132.220.96/28 ip4:67.227.149.14 ip4:67.227.149.16 ip4:64.37.236.0/23 ip4:216.182.220.0/23 ip4:205.219.85.0/24 ip4:216.118.201.112/28 ip4:52.0.98.34 include:spfb.sundyne.com include:us._netblocks.mimecast.com include:_spf.messagegears.net ip4:138.1.36.217 include:spf.protection.outlook.com -all
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