Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
arco.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 07:29:14 UTC · ↺ Refresh
MX Hostnames
- mxa-002c4401.gslb.pphosted.com
- mxb-002c4401.gslb.pphosted.com
MX Priorities
- mxb-002c4401.gslb.pphosted.com: 10
- mxa-002c4401.gslb.pphosted.com: 10
A / AAAA Records
- 45.223.163.78 (no PTR)
- 45.223.183.78 (no PTR)
Mail Server IPs
- 148.163.155.20 ↩ mx0b-002c4401.pphosted.com
- 148.163.151.76 ↩ mx0a-002c4401.pphosted.com
SOA Record
Raw SOA
ns1-01.azure-dns.com azuredns-hostmaster.microsoft.com.arco.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-01.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com.arco.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4-01.azure-dns.info
ns1-01.azure-dns.com
ns2-01.azure-dns.net
ns3-01.azure-dns.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:52.38.69.147 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- globalsign-domain-verification=EE74E4D8F6F321B0C6996D1B53397958
- globalsign-domain-verification=7AE40D107023A155678026ABD207A0B0
- globalsign-domain-verification=76F36A9F7143EEA60388835C51A29030
- globalsign-domain-verification=7WG7Htmiclqsx10RwmgzspCKxjIxzbav1QF1fGyrv6
- MS=ms15046558
- SPFv=spf1 ip4:52.38.69.147 -all
Full email verification for arco.com
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