airbnb.com
Live email deliverability and anti-spoofing audit. Every value below was read from public DNS at the moment this page was generated.
96/100 — This domain is configured correctly for both sending and receiving. Accepts mail · Protected against spoofing · Hosted by Google Workspace
Findings
-
mta sts
No MTA-STS policy, so inbound mail can be downgraded to an unencrypted connection.
Fix: Publish _mta-sts.airbnb.com and host a policy at https://mta-sts.airbnb.com/.well-known/mta-sts.txt.
-
mx
Mail is handled by Google Workspace.
1 aspmx.l.google.com, 5 alt1.aspmx.l.google.com, 5 alt2.aspmx.l.google.com, 10 alt3.aspmx.l.google.com, 10 alt4.aspmx.l.google.com
-
spf
SPF is published and enforcing.
v=spf1 include:spf1.airbnb.com ip6:2c0f:fb50:4864::/56 ip6:2a00:1450:4864::/56 ip6:2800:3f0:4864::/56 ip6:2607:f8b0:4864::/56 ip6:2404:6800:4864::/56 ip6:2001:4860:4864::/56 ip4:87.253.232.0/21 ip4:76.223.176.0/20 ip4:76.223.128.0/19 -all
-
dmarc
DMARC is enforcing with p=reject.
v=DMARC1;p=reject;sp=reject;pct=100;ruf=mailto:dmarc.forensic@airbnb.com;rua=mailto:dmarc.aggregate@airbnb.com;aspf=r;adkim=r;fo=1;ri=3600
-
dkim
DKIM keys found for 2 selectors.
google._domainkey, k1._domainkey
-
bimi
BIMI is published; supporting clients can show your logo.
v=BIMI1;l=https://vmc.digicert.com/943602a6-7765-4202-89eb-fa89bead4880.svg;
Records
| MX | 1 aspmx.l.google.com5 alt1.aspmx.l.google.com5 alt2.aspmx.l.google.com10 alt3.aspmx.l.google.com10 alt4.aspmx.l.google.com |
|---|---|
| SPF | v=spf1 include:spf1.airbnb.com ip6:2c0f:fb50:4864::/56 ip6:2a00:1450:4864::/56 ip6:2800:3f0:4864::/56 ip6:2607:f8b0:4864::/56 ip6:2404:6800:4864::/56 ip6:2001:4860:4864::/56 ip4:87.253.232.0/21 ip4:76.223.176.0/20 ip4:76.223.128.0/19 -all |
| DMARC | v=DMARC1;p=reject;sp=reject;pct=100;ruf=mailto:dmarc.forensic@airbnb.com;rua=mailto:dmarc.aggregate@airbnb.com;aspf=r;adkim=r;fo=1;ri=3600 |
| DKIM selectors | google, k1 |
| MTA-STS | not published |
| TLS-RPT | not published |
| BIMI | published |
| DNSSEC | not validating |
Same data, as JSON, in one request. No SMTP probing, no stored recipient data, 250 free calls a month.
curl "https://mailgrade.dev/v1/domain?domain=airbnb.com"
Also available: /v1/verify?email=… for individual addresses, and
/v1/verify/batch for lists.