Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
syhc.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 02:56:21 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-1.mimecast.com
- usb-smtp-inbound-2.mimecast.com
MX Priorities
- usb-smtp-inbound-1.mimecast.com: 0
- usb-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 198.202.211.1 (no PTR)
Mail Server IPs
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
ns81.worldnic.com namehost.worldnic.com 126012314 10800 3600 604800 3600
Primary NS (mname)
ns81.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126012314
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns81.worldnic.com
ns82.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx IP4:40.84.22.152 IP4:67.207.218.49 include:usb._netblocks.mimecast.com include:_spf.psm.knowbe4.com include:servers.mcsv.net include:_spf.stgi.net include:spf.protection.outlook.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
14 records- MS=0F92FB6722F9BB51962C2BE65D5EF7B5D2E1D2C6
- MS=ms97782572
- cisco-ci-domain-verification=6db99328da95b4f119d00807cb54f3b9f3d954cea8ee44a68ba7e479c3ba2c23
- e7io1q95v1f5961ps8dq1eoop2
- qu7a4mocmr9s7ad21fdauvs8qt
- SPFv=spf1 mx IP4:40.84.22.152 IP4:67.207.218.49 include:usb._netblocks.mimecast.com include:_spf.psm.knowbe4.com include:servers.mcsv.net include:_spf.stgi.net include:spf.protection.outlook.com ~all
- e4ij8uv1ii4uias0g0bsops2an
- duo_sso_verification=xbap4KJLYfI53mk7HQxgy2mxJw7sLW9PAz5bTm944V2dVYs4Z653kAWF2IHYqy0L
- smartsheet-site-validation=yk4ggxTZk1M0q_5plrj0o_nhBoCCJwXw
- 0Rn8YGgaNSHZazXR0ZFfKG4r6vQr4eZtjjvJsAe1XPpgHFLb9br5c0rOwdETHhDNR5s1xpkH44DYWZXMowaitA==
- apple-domain-verification=RksqRfFWX9yUSrW1
- q7nr56vckng3vdpd6g1iv1u34l
- google-site-verification=yWRGc7Bo38zoXEvSNxRtlXlABgXfaj1FbENpUNKkj44
- proxy-ssl.webflow.com
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