Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
montalbanolumber.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 00:33:47 UTC · ↺ Refresh
MX Hostnames
- montalbanolumber-com.mail.protection.outlook.com
MX Priorities
- montalbanolumber-com.mail.protection.outlook.com: 0
A / AAAA Records
- 23.92.69.114 ↩ server1.tekhead.com
Mail Server IPs
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-04.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-04.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns1-04.azure-dns.com
ns2-04.azure-dns.net
ns3-04.azure-dns.org
ns4-04.azure-dns.info
SPF Record
✓ Strict (-all)
v=spf1 a include:spf.protection.outlook.com include:spfa.cpmails.com ip4:23.92.69.114 ip4:66.93.30.114 ip4:173.200.115.214 ip4:66.93.30.66 ip4:66.236.136.250 ip4:173.200.115.236 ip4:76.72.92.54 ip4:72.198.133.14 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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 a include:spf.protection.outlook.com include:spfa.cpmails.com ip4:23.92.69.114 ip4:66.93.30.114 ip4:173.200.115.214 ip4:66.93.30.66 ip4:66.236.136.250 ip4:173.200.115.236 ip4:76.72.92.54 ip4:72.198.133.14 -all
- k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDAr+RC0XQTXcLip3DSaqWDnRoODLUXORr2RtYq7K6WFTtAMpuZhGRPDkuaBeOJZxz0gcqAF7hO9I+9my1RBWF8GHn59Nrd7lXqXmgq/Op9oCHxja46kdGjitSSkG29UjUYW+AcldS5W6TJFsfo80e+n72GQjfeiEbgai2U1irOEwIDAQAB
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for montalbanolumber.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits