Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sundanceconstruction.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 03:54:56 UTC · ↺ Refresh
MX Hostnames
- sundanceconstruction-com.p30.spamhero.net
- sundanceconstruction-com.p10.spamhero.com
- sundanceconstruction-com.p20.spamhero.net
- sundanceconstruction-com.p40.spamhero.net
MX Priorities
- sundanceconstruction-com.p30.spamhero.net: 30
- sundanceconstruction-com.p20.spamhero.net: 20
- sundanceconstruction-com.p40.spamhero.net: 40
- sundanceconstruction-com.p10.spamhero.com: 10
A / AAAA Records
- 192.0.78.213 (no PTR)
Mail Server IPs
- 209.41.68.188 ↩ bolt100b.mxthunder.net
- 108.166.161.242 ↩ bolt100a.mxthunder.net
SOA Record
Raw SOA
ns1.worldnic.com namehost.worldnic.com 125092717 10800 3600 604800 3600
Primary NS (mname)
ns1.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125092717
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.worldnic.com
ns1.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 a:sip.sundanceconstruction.com a:uc.sundanceconstruction.com ip4:23.30.85.244 ip4:23.30.85.245 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
1 record- SPFv=spf1 a:sip.sundanceconstruction.com a:uc.sundanceconstruction.com ip4:23.30.85.244 ip4:23.30.85.245 include:spf.protection.outlook.com -all
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