Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
randolphconstructionco.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 14:40:57 UTC · ↺ Refresh
MX Hostnames
- randolphconstructionco.com
MX Priorities
- randolphconstructionco.com: 10
A / AAAA Records
- 193.238.220.139 ↩ randolphconstructionco.com
Mail Server IPs
- 193.238.220.139 ↩ randolphconstructionco.com
SOA Record
Raw SOA
ns-422.awsdns-52.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-422.awsdns-52.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1753.awsdns-27.co.uk
ns-422.awsdns-52.com
ns-560.awsdns-06.net
ns-1326.awsdns-37.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:193.238.220.139 include:_spf.google.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:193.238.220.139 include:_spf.google.com -all
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