Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gcollado.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 20:39:26 UTC · ↺ Refresh
MX Hostnames
- mx4.mtaroutes.com
- mx1.mtaroutes.com
- mx2.mtaroutes.com
- mx3.mtaroutes.com
MX Priorities
- mx4.mtaroutes.com: 40
- mx1.mtaroutes.com: 10
- mx2.mtaroutes.com: 20
- mx3.mtaroutes.com: 30
A / AAAA Records
- 189.240.20.183 ↩ gcollado.com
Mail Server IPs
- 38.101.250.150 ↩ fe3-r2-in.atl06.l.antispamcloud.com
- 2001:550:2:78::ca:100 ↩ fe3-r2-in.atl06.l.antispamcloud.com
- 38.89.254.156 ↩ fe1-r2-in.ch03.l.antispamcloud.com
- 2001:550:2:61::2fc:100 (no PTR)
- 38.71.16.244 ↩ fe2-r2-in.la10.l.antispamcloud.com
- 2001:550:2:3::62:100 ↩ fe2-r2-in.la10.l.antispamcloud.com
SOA Record
Raw SOA
ns1-05.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-05.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-05.azure-dns.net
ns3-05.azure-dns.org
ns4-05.azure-dns.info
ns1-05.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:189.240.121.21 ip4:189.240.121.18 ip4:189.240.121.19 ip4:104.47.56.176 ip4:201.96.169.109 ip4:201.98.26.101 ip4:159.183.147.233 include:sendgrid.net include:spf.protection.outlook.com include:amazonses.com include:spf.mtaroutes.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; aspf=r; rua=mailto:[email protected], mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
s1._domainkey
s2._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
5 records- MS=ms66391175
- MS=124EFB1F17C81D34576CDDDCF6ED0EADF23AA75D
- SPFv=spf1 ip4:189.240.121.21 ip4:189.240.121.18 ip4:189.240.121.19 ip4:104.47.56.176 ip4:201.96.169.109 ip4:201.98.26.101 ip4:159.183.147.233 include:sendgrid.net include:spf.protection.outlook.com include:amazonses.com include:spf.mtaroutes.com -all
- ms-domain-verification=8829693f-a6f0-4e00-8f89-bd87eae22940
- 982339ee8b50a370b7811ecda88bdd8461b400f9d5b79f3398823d41df5a00e2
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