Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
tecsystemsgroup.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 06:55:42 UTC · ↺ Refresh
MX Hostnames
- tecsystemsgroup-com.mail.protection.outlook.com
MX Priorities
- tecsystemsgroup-com.mail.protection.outlook.com: 0
A / AAAA Records
- 20.40.202.30 (no PTR)
Mail Server IPs
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns51.worldnic.com namehost.worldnic.com 126051701 10800 3600 604800 3600
Primary NS (mname)
ns51.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126051701
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns51.worldnic.com
ns52.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.sendinblue.com -all
📊 DNS lookups: 2/10
✓ 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
✓ 1 found
mail._domainkey
✓ Public key: 55 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- MS=ms33337546
- fvt5b2lnrqt595cp6ihcifcnm2.
- js96g868kqmj6amh4okm4upme1
- Sendinblue-code:e2d1868f14d576b2d4e1ed07d6555843
- 7aijcs42q89o5tkl8jk9lsemhc
- SPFv=spf1 include:spf.protection.outlook.com include:spf.sendinblue.com -all
- google-site-verification=7mJ2d9sEOzR6nJ-F6nLwI1jK38QF5TaGGD0AbLKwOVU
- anfk1fm04kqt26lrl4r06fvfcr
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