Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sercotec.cl
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 13:14:44 UTC · ↺ Refresh
MX Hostnames
- mx-02-us-east-2.prod.hydra.sophos.com
- mx-01-us-east-2.prod.hydra.sophos.com
MX Priorities
- mx-01-us-east-2.prod.hydra.sophos.com: 5
- mx-02-us-east-2.prod.hydra.sophos.com: 2
A / AAAA Records
- 13.226.94.107 ↩ server-13-226-94-107.jfk52.r.cloudfront.net
- 13.226.94.92 ↩ server-13-226-94-92.jfk52.r.cloudfront.net
- 13.226.94.71 ↩ server-13-226-94-71.jfk52.r.cloudfront.net
- 13.226.94.16 ↩ server-13-226-94-16.jfk52.r.cloudfront.net
- 2600:9000:21f9:2c00:10:ddf5:d1c0:93a1 (no PTR)
- 2600:9000:21f9:fe00:10:ddf5:d1c0:93a1 (no PTR)
- 2600:9000:21f9:6800:10:ddf5:d1c0:93a1 (no PTR)
- 2600:9000:21f9:be00:10:ddf5:d1c0:93a1
- 2600:9000:21f9:ac00:10:ddf5:d1c0:93a1
- 2600:9000:21f9:c800:10:ddf5:d1c0:93a1
- 2600:9000:21f9:8200:10:ddf5:d1c0:93a1
- 2600:9000:21f9:3600:10:ddf5:d1c0:93a1
Mail Server IPs
- 3.16.102.216 ↩ ec2-3-16-102-216.us-east-2.compute.amazonaws.com
- 18.221.88.6 ↩ ec2-18-221-88-6.us-east-2.compute.amazonaws.com
- 3.138.145.235 ↩ ec2-3-138-145-235.us-east-2.compute.amazonaws.com
SOA Record
Raw SOA
dahlia.ns.cloudflare.com dns.cloudflare.com 2400196412 10000 2400 604800 1800
Primary NS (mname)
dahlia.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400196412
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dahlia.ns.cloudflare.com
memphis.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:_spf.google.com include:spf.gwreactor.com include:_spf_useast2.prod.hydra.sophos.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate 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
✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- google-site-verification=JajjqiVjKyAYTTzNzyniAXqAqFbjeysTwyFuCAJ8R7Q
- google-site-verification=beA7l9r9YNBkzDMXzG86NsJniJfB6e_JHYGeiKtcZpY
- google-site-verification=daPDTV64W0ZZsGet3Ba6HEAWNyvZGU3tDPGTDKbOiUA
- google-site-verification=eVDrHW_udi2ipeGGTtyLY-RqqoChos6ybuuMf5mhLqw
- sophos-domain-verification=4231cab1cb802d28dcd6c85b10c6894566f35ee0
- SPFv=spf1 a mx include:_spf.google.com include:spf.gwreactor.com include:_spf_useast2.prod.hydra.sophos.com ~all
- MS=705250F74280FFE564B9787ABA177BD56F45262F
- c3adcb439b9042ba8e328f1d1d5046a3
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