Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blacklinesafety.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 05:31:35 UTC · ↺ Refresh
MX Hostnames
- blacklinesafety-com.mail.protection.outlook.com
MX Priorities
- blacklinesafety-com.mail.protection.outlook.com: 10
A / AAAA Records
- 174.129.192.248 ↩ ec2-174-129-192-248.compute-1.amazonaws.com
- 13.219.45.130 ↩ ec2-13-219-45-130.compute-1.amazonaws.com
Mail Server IPs
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-338.awsdns-42.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-338.awsdns-42.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-2016.awsdns-60.co.uk
ns-338.awsdns-42.com
ns-654.awsdns-17.net
ns-1151.awsdns-15.org
SPF Record
✓ Strict (-all)
v=spf1 include:_u.blacklinesafety.com._spf.dmarcli.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._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
12 records- atlassian-domain-verification=zOZ4vV8NMKgIzylBWnMoOx9Oa0jmiZeizgAJduLvwcupC1F56mi+Mc5c8iDD8uCh
- blsb_12-21-2121._domainkey
- f1nft1qqg12hieeeprh0pb8mu0
- google-site-verification=QOCDyVxGYzbLASXA2KCvHByFJcKOzuMyFWJPEEy-F3Y
- smartsheet-site-validation=aUlFGEJyej7s1SWp7l5PBz931GNYpeVm
- status-page-domain-verification=qd0ggt58ysrv
- twilio-domain-verification=e587c29e58ef0c5738c6737db57fb232
- DKIMv=DKIM1;k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCVILiDhMc/AdHhiXIi98kz7nLUjKPILIDVny1eLHb1gTBPNq9iyMseqMP9loHjD0Gmf11XSp7Ut459mbBMGjmJpAVbWv9yAYzP5L6ppMxNm+E/jU1kC7f54aJTGPmQlfyc7bHRkcqQbTRnnUFSYRBMlwU8hpVbq4+fTp0Gqv9RQQIDAQAB
- SPFv=spf1 include:_u.blacklinesafety.com._spf.dmarcli.com -all
- 2n89crour6ccc518pccotchpf5
- 840F226410
- MS=ms58701062
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