Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
facebook.com
Yes
✓ Yes
Unknown
No
Yes
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 09:56:15 UTC · ↺ Refresh
MX Hostnames
- smtpin.vvv.facebook.com
MX Priorities
- smtpin.vvv.facebook.com: 10
A / AAAA Records
- 57.144.180.1 ↩ edge-star-mini-shv-03-lga3.facebook.com
- 2a03:2880:f35a:1:face:b00c::25de ↩ edge-star-mini6-shv-03-lga3.facebook.com
Mail Server IPs
- 173.252.87.251 ↩ msgin-regional-shv-01-rftw0.facebook.com
- 2a03:2880:18ff:fffc:face:b00c::686e ↩ msgin-regional6-shv-01-rsnb0.facebook.com
SOA Record
Raw SOA
a.ns.facebook.com dns.facebook.com 4207849484 14400 1800 604800 300
Primary NS (mname)
a.ns.facebook.com
Admin Email (rname)
dns@facebook.com
Serial
4207849484
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
a.ns.facebook.com
c.ns.facebook.com
b.ns.facebook.com
d.ns.facebook.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=_spf.facebook.com
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- SPFv=spf1 redirect=_spf.facebook.com
- google-site-verification=A2WZWCNQHrGV_TWwKh6KHY90tY0SHZo_RnyMJoDaG0s
- facebook-domain-verification=y7isfmi3kzyg1r4wophh9vyb6pgbda
- google-site-verification=sK6uY9x7eaMoEMfn3OILqwTFYgaNp4llmguKI-C3_iA
- google-site-verification=wdH5DTJTc9AYNwVunSVFeK0hYDGUIEOGb-RReU6pJlY
- zoom-domain-verification=4b2ef4e1-6dee-4483-9869-9bef353fd147
Full email verification for facebook.com
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