Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
carpentersunion.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 13:35:47 UTC · ↺ Refresh
MX Hostnames
- carpentersunion-org.mail.protection.outlook.com
MX Priorities
- carpentersunion-org.mail.protection.outlook.com: 10
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
Mail Server IPs
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns85.worldnic.com namehost.worldnic.com 125110315 10800 3600 604800 3600
Primary NS (mname)
ns85.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125110315
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns86.worldnic.com
ns85.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 a ip4:12.106.139.24 include:spf.protection.outlook.com include:email.prnewswire.com ip4:69.72.32.158 include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;rua=mailto:[email protected];ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
7 records- jhoi5t4194epc2pq3fq6i012b9
- apple-domain-verification=VqDpYKDXss0OE5GI
- SPFv=spf1 a ip4:12.106.139.24 include:spf.protection.outlook.com include:email.prnewswire.com ip4:69.72.32.158 include:_spf.psm.knowbe4.com -all
- duo_sso_verification=hYc8XbnsSiEWEtukG5zQQ6hFOhXwIpmrlICQ5LqK2ejiQdKiVwcTgwtNhS4S7NNA
- CIT+ijmXJmtQdNmUliy84+TK8wOnGE8owaFO+Yog+XDvCu8017TVE3q1TqPS09vxeCWWr0HS9JQpllZwykW76Q==
- g30u9ren365p69t2cir4116eip
- hpnflbgjnirln968c8ss0lem5r
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 carpentersunion.org
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits