sercomtel.com.br

Valid Email Server
Domain Lookup › sercomtel.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sercomtel.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 04:29:42 UTC · ↺ Refresh

MX Hostnames

  • mx-corp.sercomtel.com.br

MX Priorities

  • mx-corp.sercomtel.com.br: 0

A / AAAA Records

  • 45.60.247.143 (no PTR)
  • 45.60.241.143 (no PTR)

Mail Server IPs

  • 168.0.133.10 ↩ mx-ha.skymail.net.br

SOA Record

Raw SOA ns1.skymail.net.br hostmaster.sercomtel.com.br 2026031201 7200 900 1209600 86400
Primary NS (mname)
ns1.skymail.net.br
Admin Email (rname)
hostmaster@sercomtel.com.br
Serial
2026031201
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns1.skymail.net.br
ns2.skymail.net.br

SPF Record

✓ Strict (-all)
v=spf1 ip4:200.155.34.0/24 ip4:201.94.192.14 ip4:200.155.63.111 ip4:200.155.63.112 ip4:200.155.63.51 ip4:200.155.33.112 ip4:200.155.33.113 ip4:200.155.33.104 ip4:200.155.33.105 ip4:200.155.33.114 ip4:172.246.36.139 ip4:172.246.18.127 include:spf-corp.sercomtel.com.br -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No 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

10 records
  • brevo-code:8b404092db8587e090062d98bcd2874b
  • globalsign-domain-verification=65C2F9F3ADD29D4BE9108D865E4FCC1E
  • _globalsign-domain-verification=FT9nBrb8gU88lNccQ8j6nJTOvm0fAxI6XIUx5XaYis
  • 65C2F9F3ADD29D4BE9108D865E4FCC1E
  • _globalsign-domain-verification=sZOCESUnO589P4qZdNBhrfrawmvx4DkVhHA7qKjwwH
  • bvm-site-verification=43083d60e122c0796c4c3d4398a88978f11145ea
  • globalsign-domain-verification=611AD38987F6DE4B5C11FAC0FC6E0879
  • SPFv=spf1 ip4:200.155.34.0/24 ip4:201.94.192.14 ip4:200.155.63.111 ip4:200.155.63.112 ip4:200.155.63.51 ip4:200.155.33.112 ip4:200.155.33.113 ip4:200.155.33.104 ip4:200.155.33.105 ip4:200.155.33.114 ip4:172.246.36.139 ip4:172.246.18.127 include:spf-corp.sercomtel.com.br -all
  • google-site-verification=2Cwr0njB9yd9iidCS5faIRzTtUdiht6rxeItFKLHsVE
  • _globalsign-domain-verification=6maOLHF1BoESwch-J6Ad1k06MnACqE0A0wzjHDHgR3
Full email verification for sercomtel.com.br

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits