Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
herberplumbing.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 20:47:02 UTC · ↺ Refresh
MX Hostnames
- herberplumbing-com.mail.protection.outlook.com
MX Priorities
- herberplumbing-com.mail.protection.outlook.com: 0
A / AAAA Records
- 216.239.38.21 ↩ any-in-2615.1e100.net
- 216.239.36.21 ↩ any-in-2415.1e100.net
- 216.239.34.21
- 216.239.32.21
- 2001:4860:4802:36::15
- 2001:4860:4802:34::15
- 2001:4860:4802:38::15
- 2001:4860:4802:32::15
Mail Server IPs
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
primary.guardeddns.net dns-admin.guardeddns.net 202 28800 450 1209600 900
Primary NS (mname)
primary.guardeddns.net
Admin Email (rname)
dns-admin@guardeddns.net
Serial
202
Refresh
28800s
Retry
450s
Expire
1209600s
Minimum TTL
900s
Nameservers (NS)
ns1.omnis.com
ns2.omnis.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.herberplumbing_com._d.easydmarc.pro include:spf.shield.security -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];ruf=mailto:[email protected];aspf=s;fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· 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- google-site-verification=r5caJhJU-woHg38NGS1V0AlM81bZLRT5UwY1Ay9gRvs
- MS=ms97961568
- SPFv=spf1 include:_spf.herberplumbing_com._d.easydmarc.pro include:spf.shield.security -all
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