Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
olssonroofing.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 00:30:08 UTC · ↺ Refresh
MX Hostnames
- serverexch13.olssonroofing.com
- olssonroofing-com.mail.protection.outlook.com
MX Priorities
- serverexch13.olssonroofing.com: 500
- olssonroofing-com.mail.protection.outlook.com: 0
A / AAAA Records
- 198.185.159.145 (no PTR)
- 198.49.23.144
- 198.49.23.145
- 198.185.159.144
Mail Server IPs
- 12.16.216.228 (no PTR)
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
dbru.br.ns.els-gms.att.net rm-hostmaster.ems.att.com 40 10800 3600 604800 86400
Primary NS (mname)
dbru.br.ns.els-gms.att.net
Admin Email (rname)
rm-hostmaster@ems.att.com
Serial
40
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dbru.br.ns.els-gms.att.net
dmtu.mt.ns.els-gms.att.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:12.16.216.254 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];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
2 records- SPFv=spf1 ip4:12.16.216.254 include:spf.protection.outlook.com -all
- 8vg3vm11d4l8f417wv3nhzmmhxwz7zvy
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