Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
colpos.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 15:33:32 UTC · ↺ Refresh
MX Hostnames
- mx1.mailchannels.net
- mx2.mailchannels.net
MX Priorities
- mx1.mailchannels.net: 5
- mx2.mailchannels.net: 5
A / AAAA Records
- 192.124.249.127 ↩ cloudproxy10127.sucuri.net
Mail Server IPs
- 54.69.1.140 ↩ ec2-54-69-1-140.us-west-2.compute.amazonaws.com
- 18.236.29.166 ↩ ec2-18-236-29-166.us-west-2.compute.amazonaws.com
SOA Record
Raw SOA
ns1.p68.dns.oraclecloud.net support.advc.com.mx 2024111205 3600 600 604800 1800
Primary NS (mname)
ns1.p68.dns.oraclecloud.net
Admin Email (rname)
support@advc.com.mx
Serial
2024111205
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns2.p68.dns.oraclecloud.net
ns4.p68.dns.oraclecloud.net
ns3.p68.dns.oraclecloud.net
ns1.p68.dns.oraclecloud.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx a:mail.colpos.mx ip4:193.122.192.160 include:spf.protection.outlook.com include:relay.mailchannels.net ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
10 records- MS=ms57349764
- 1eururg14houv9c6t02sfcl2l4
- 4en8ethsg76tftb0o9l4ntvt9s
- +NOF9Hzu0nk6VW+uFnJPBM3aYh4k06ooGEf3brH65vrIPWroJLXcjX2yirQoDs1WB2BAeIWLW/B98jL64RflQg==
- 4cuco2a0v2hlq8qqa06duhkcfe
- zi4uv8e2ybihvj8PEVM41ihR
- Sz64CpNpdNiV34AUqbe1bd4iek637FQx
- 59i-op0-76y
- SPFv=spf1 a mx a:mail.colpos.mx ip4:193.122.192.160 include:spf.protection.outlook.com include:relay.mailchannels.net ~all
- MS=ms11176301
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