Domain Overview
DNS: ✓ 3h ago
Checker: ✓ 3h ago
transtelsa.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 07:09:09 UTC · ↺ Refresh
MX Hostnames
- transtelsa-com.mail.eo.outlook.com
MX Priorities
- transtelsa-com.mail.eo.outlook.com: 0
A / AAAA Records
- 185.5.236.17 ↩ hdccpa07.nunsys.net
Mail Server IPs
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.nunsys.com webmaster.nunsys.com 2026021800 3600 1800 604800 3600
Primary NS (mname)
ns1.nunsys.com
Admin Email (rname)
webmaster@nunsys.com
Serial
2026021800
Refresh
3600s
Retry
1800s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.nunsys.com
ns2.nunsys.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:185.5.236.0/23 include:spf.protection.outlook.com mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 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
3 records- MS=FE1F99F2EAEF3CAFF72FC54323B5A3EAA4389183
- google-site-verification=Uqv4tPCEgIs2SkwDQv0mxqnckd-bOq4gp7X6ouR9QtA
- SPFv=spf1 ip4:185.5.236.0/23 include:spf.protection.outlook.com mx -all
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