Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
armstrongceilings.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 00:32:31 UTC · ↺ Refresh
MX Hostnames
- armstrongceilings-com.mail.protection.outlook.com
MX Priorities
- armstrongceilings-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.18.6.171 (no PTR)
Mail Server IPs
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.armstrongceilings.com hostmaster.armstrongceilings.com 2021032445 7200 3600 1209600 900
Primary NS (mname)
ns1.armstrongceilings.com
Admin Email (rname)
hostmaster@armstrongceilings.com
Serial
2021032445
Refresh
7200s
Retry
3600s
Expire
1209600s
Minimum TTL
900s
Nameservers (NS)
ns1.armstrongceilings.com
ns2.armstrongceilings.com
ns3.armstrongceilings.com
ns2.armstrong.com
SPF Record
✓ Strict (-all)
v=spf1 include:1nnez4i5u.spf.checkpoint-spf.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;ruf=mailto:[email protected];rua=mailto:[email protected]
✓ Reject — strongest protection
📋 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
15 records- docusign=0712a14d-23a9-4f16-8200-bace26170fae
- docusign=72f1015e-c94e-4ca8-9746-b56230e9616d
- have-i-been-pwned-verification=7b81e45168ccc5f37b7e11d5a9efe5fb
- apple-domain-verification=LmivG3VJJXOGKEvi
- adobe-idp-site-verification=b81c34bd541b888b1b82a2ce4efccfbf8cf3936310c6f17c3cad8695f8d21102
- shopify-verification-code=zUheLEcoHDJvnZaZPA3VLRhuzkA1wA
- miro-verification=27b3df492d5add84e1d093de6a81519d93961d74
- stripe-verification=4279BF1836421CAA57AC7F2D2D60CAA427605397F9DF3FFB2F785268D214245B
- openai-domain-verification=dv-JgUoqO7cDcRTCTqCUCNZM1fq
- asv=c3f76ab79bf2e61677498c9953fee08e
- SPFv=spf1 include:1nnez4i5u.spf.checkpoint-spf.com include:spf.protection.outlook.com -all
- sprout-social-b03aa11f-05dc-4280-80b7-17697db12ac4
- anthropic-domain-verification-t6rsga=emyC5ov4qkiNYYA0pYhhxvDut
- cursor-domain-verification-p5bdjd=ZSoQAKkCbzT88zidUcGjHAuns
- HuDjc3Fr3Lo9jl3JuB2DOj4X5YgAOyiA9gOxz/IFetViMPjODG2jL9J+dkKPXHiKfJB3eU95MrEx757kRmkOAQ==
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