Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
tecogen.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 07:31:36 UTC · ↺ Refresh
MX Hostnames
- tecogen-com.mail.protection.outlook.com
MX Priorities
- tecogen-com.mail.protection.outlook.com: 0
A / AAAA Records
- 54.208.101.55 ↩ ec2-54-208-101-55.compute-1.amazonaws.com
Mail Server IPs
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns5.worldnic.com namehost.worldnic.com 125121113 10800 3600 604800 3600
Primary NS (mname)
ns5.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125121113
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns6.worldnic.com
ns5.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:67.83.186.222 include:spf.protection.outlook.com include:amazonaws.com include:spf.cloudus.oxcs.net include:spf.registeredsite.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 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
11 records- infor-cloudsuite-domain-verification=AWUEBZCXQ54LQXEPQRDQTBWVXR5S3WFNGTAYDJHRJ552FXVVCZFVGJC7LYLWKECV
- blmmj0ndl53fu7rfrvafc1e4kf
- 6fjpl1ig67vta5ae7oqstml46b
- SPFv=spf1 ip4:67.83.186.222 include:spf.protection.outlook.com include:amazonaws.com include:spf.cloudus.oxcs.net include:spf.registeredsite.com -all
- emu25eckcqm8m64qsbqclp947k
- google-site-verification=tTQilt5Hy_apIISDSnghyErSXTaRC2-G98xNfEl36jE
- mib69ak017uhqre9j8oruj2qsh
- cs0sc9b43mgf2ucb9rto8lm8rd
- k5qq20bepan6km40aouur7bovt
- nho9v4q1iip3ukv53f98pohclh
- MS=ms87581268
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