Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
thelabsb.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 17:56:02 UTC · ↺ Refresh
MX Hostnames
- spamtitan.citig.com
MX Priorities
- spamtitan.citig.com: 1
A / AAAA Records
- 198.185.159.144 (no PTR)
- 198.185.159.145 (no PTR)
- 198.49.23.144 (no PTR)
- 198.49.23.145 (no PTR)
Mail Server IPs
- 52.9.138.252 ↩ spamtitan.citig.com
SOA Record
Raw SOA
dns1.p01.nsone.net hostmaster.nsone.net 1670975143 43200 7200 1209600 3600
Primary NS (mname)
dns1.p01.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1670975143
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns4.p01.nsone.net
ns01.squarespacedns.com
ns02.squarespacedns.com
ns03.squarespacedns.com
ns04.squarespacedns.com
dns1.p01.nsone.net
dns2.p01.nsone.net
dns3.p01.nsone.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com a a:spamtitan.citig.com mx ptr -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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 include:spf.protection.outlook.com a a:spamtitan.citig.com mx ptr -all
- MS=ms72373655
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