Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
pen-tec.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 05:13:41 UTC · ↺ Refresh
MX Hostnames
- pentec-com0i.mail.protection.outlook.com
MX Priorities
- pentec-com0i.mail.protection.outlook.com: 0
A / AAAA Records
- 4.78.252.203 ↩ web4.informationofficer.com
Mail Server IPs
- 52.101.124.6 ↩ mail-tyvp286cu00206.inbound.protection.outlook.com
- 52.101.157.11 ↩ mail-os0p286cu01203.inbound.protection.outlook.com
- 52.101.124.1 ↩ mail-ty3p286cu00101.inbound.protection.outlook.com
- 52.101.124.5 ↩ mail-tyvp286cu00305.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::2 ↩ mail-tyvp286cu00302.inbound.protection.outlook.com
- 2a01:111:f403:cc24:: ↩ mail-os0p286cu01300.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::3 ↩ mail-tyvp286cu00203.inbound.protection.outlook.com
- 2a01:111:f403:cc1f:: ↩ mail-os9p286cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.informationofficer.com hostmaster.informationofficer.com 2026030901 28800 7200 604800 86400
Primary NS (mname)
ns1.informationofficer.com
Admin Email (rname)
hostmaster@informationofficer.com
Serial
2026030901
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns2.informationofficer.com
ns1.informationofficer.com
ns3.informationofficer.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; pct=100;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 6 found
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
4 records- atlassian-domain-verification=aEA0Aa0YAts0ol4KA0Ed9lJ8MTJaVS21w5DsPaQtIT94hgRXx1EmVxy97CEj3gOj
- atlassian-sending-domain-verification=11388e50-dff6-4776-a2f7-a1e029675a82
- MS=ms15365703
- SPFv=spf1 include:spf.protection.outlook.com -all
Full email verification for pen-tec.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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