Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fb.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 13:42:24 UTC · ↺ Refresh
MX Hostnames
- mxb-00082601.gslb.pphosted.com
- mxa-00082601.gslb.pphosted.com
MX Priorities
- mxa-00082601.gslb.pphosted.com: 10
- mxb-00082601.gslb.pphosted.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
- 67.231.153.30 ↩ mx0b-00082601.pphosted.com
SOA Record
Raw SOA
a.ns.facebook.com dns.facebook.com 4207849484 14400 1800 604800 3600
Primary NS (mname)
a.ns.facebook.com
Admin Email (rname)
dns@facebook.com
Serial
4207849484
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
d.ns.facebook.com
a.ns.facebook.com
b.ns.facebook.com
c.ns.facebook.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=_spf.fb.com
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
13 records- SPFv=spf1 redirect=_spf.fb.com
- 586957ce-d11e-4efa-9fe5-a887498bf838
- docusign=ad7f789d-eff1-4283-9d90-fdc9484527e1
- atlassian-domain-verification=I7HLjLnlhJiDT58wzrru2Pd/2cRWa3AKlgCjDPOO43GMP7H0QuafH6eBts3D1GaP
- G3X1k1XGYGra1nUpTv7Rdk2wAEFHfkKIr9/4/6+Nu67Ks9cR8xaiqAZPPhis9lGD6mb/+9vygIr4QKXIpxIc7w==
- mentimeter-16bdc82d-93be-47de-a6d4-fd6adb17c403
- google-site-verification=Dsycvk_Ky3uQjdvuPrI_Z6A98lWghNTntdS4LuATOj8
- parkable-domain-verification=N89SxXel0S4pUXDFVpckFmXIO9MUvN4Or0bO_Lcb8Os=
- mentimeter-8599dcd1-e0da-4326-882e-7570e7c942fb
- I2B7AuxY6G1G_NeiaHF-9A0zn-3NDBnlOBi4zItNCU8
- MS=ms56927146
- smartsheet-site-validation=r-TtxwzdAh2KN_Zi6mTLGu02fz-9vQU4
- smartsheet-site-validation=sB5xgx-1nsnQCgORYUhnyDG3Jr739OxJ
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