Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
northernhammerworks.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 20:02:18 UTC · ↺ Refresh
MX Hostnames
- northernhammerworks-com.mail.protection.outlook.com
MX Priorities
- northernhammerworks-com.mail.protection.outlook.com: 0
A / AAAA Records
- 162.254.155.216 (no PTR)
Mail Server IPs
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ad101.hollandcomputers.com hostmaster.hollandcomputers.com 29 900 600 86400 3600
Primary NS (mname)
ad101.hollandcomputers.com
Admin Email (rname)
hostmaster@hollandcomputers.com
Serial
29
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
ns2.hollandcomputers.com
ns1.hollandcomputers.com
ad100.hollandcomputers.com
ad101.hollandcomputers.com
ns3.hollandcomputers.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com +ip4:162.254.155.10 +a +mx +ip4:67.222.28.243 +include:rhostbh.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.protection.outlook.com +ip4:162.254.155.10 +a +mx +ip4:67.222.28.243 +include:rhostbh.com ~all
- MS=ms93611260
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