Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
laskeycostello.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 07:44:06 UTC · ↺ Refresh
MX Hostnames
- laskeycostello-com.mail.protection.outlook.com
MX Priorities
- laskeycostello-com.mail.protection.outlook.com: 0
A / AAAA Records
- 35.215.94.33 ↩ 33.94.215.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.siteground.net admins.siteground.com 278 86400 7200 3600000 86400
Primary NS (mname)
ns1.siteground.net
Admin Email (rname)
admins@siteground.com
Serial
278
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns1.siteground.net
ns2.siteground.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:70.167.89.83 ip4:70.167.89.84 include:spf.protection.outlook.com include:laskeycostello.com.spf.auto.dnssmarthost.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
1 record- SPFv=spf1 ip4:70.167.89.83 ip4:70.167.89.84 include:spf.protection.outlook.com include:laskeycostello.com.spf.auto.dnssmarthost.net -all
Full email verification for laskeycostello.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits