Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kretzlumber.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 17:51:43 UTC · ↺ Refresh
MX Hostnames
- kretzlumber-com.mail.protection.outlook.com
MX Priorities
- kretzlumber-com.mail.protection.outlook.com: 0
A / AAAA Records
- 35.208.169.81 ↩ 81.169.208.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.siteground.net dnsadmin.c47706.sgvps.net 2020101070 86400 7200 3600000 86400
Primary NS (mname)
ns1.siteground.net
Admin Email (rname)
dnsadmin@c47706.sgvps.net
Serial
2020101070
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns2.siteground.net
ns1.siteground.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:199.127.177.80 ip4:199.27.199.102 mx include:spf.protection.outlook.com include:kretzlumber.com.spf.auto.dnssmarthost.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:; ruf=mailto:; rf=afrf; pct=50
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:
⚠ Policy applies to 50% of failing messages only
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- SPFv=spf1 ip4:199.127.177.80 ip4:199.27.199.102 mx include:spf.protection.outlook.com include:kretzlumber.com.spf.auto.dnssmarthost.net -all
- duo_sso_verification=gve5HhoNnq88KQYxrnQzLnb7WbG7zI7U3pwXO283jXhAsFxpca6txj6HnsUshtZs
- r9105g4m6lmivj1bic53ud3r6a
- osknj4gfjb2at3jok7kk9819gm
- e0uhgm2c89sucspth82j4chh7o
- google-site-verification=TZwajTGHP7KJmLBt7QosHKITSkZBPkiENpRmrlrmJSA
- MS=ms73956071
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