theguardian.com
Live email deliverability and anti-spoofing audit. Every value below was read from public DNS at the moment this page was generated.
A
100/100 — This domain is configured correctly for both sending and receiving. Accepts mail · Protected against spoofing · Hosted by Google Workspace
Findings
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mx
Mail is handled by Google Workspace.
10 aspmx.l.google.com, 20 alt2.aspmx.l.google.com, 20 alt1.aspmx.l.google.com, 30 alt4.aspmx.l.google.com, 30 alt3.aspmx.l.google.com
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spf
SPF is published and enforcing.
v=spf1 include:_spf.google.com include:spf_c.oraclecloud.com include:_spf.salesforce.com include:_spf1.theguardian.com ip4:199.255.192.0/22 ip4:199.127.232.0/22 ip4:54.240.0.0/18 ip4:69.169.224.0/20 ip4:23.249.208.0/20 ip4:23.251.224.0/19 ip4:76.223.176.0/20 ip4:54.240.64.0/18 ip4:76.223.128.0/19 ip4:216.221.160.0/19 ip4:206.55.144.0/20 ip4:24.110.64.0/18 -all
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dmarc
DMARC is enforcing with p=reject.
v=DMARC1;p=reject;rua=mailto:dmarcreporting@theguardian.com
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dkim
DKIM keys found for 2 selectors.
google._domainkey, k2._domainkey
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mta sts
MTA-STS is published, so senders will refuse to downgrade to plaintext SMTP.
v=STSv1; id=20220214T1400
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tls rpt
TLS reporting is enabled.
v=TLSRPTv1; rua=mailto:tlsreporting@theguardian.com
Records
| MX | 10 aspmx.l.google.com20 alt2.aspmx.l.google.com20 alt1.aspmx.l.google.com30 alt4.aspmx.l.google.com30 alt3.aspmx.l.google.com |
|---|---|
| SPF | v=spf1 include:_spf.google.com include:spf_c.oraclecloud.com include:_spf.salesforce.com include:_spf1.theguardian.com ip4:199.255.192.0/22 ip4:199.127.232.0/22 ip4:54.240.0.0/18 ip4:69.169.224.0/20 ip4:23.249.208.0/20 ip4:23.251.224.0/19 ip4:76.223.176.0/20 ip4:54.240.64.0/18 ip4:76.223.128.0/19 ip4:216.221.160.0/19 ip4:206.55.144.0/20 ip4:24.110.64.0/18 -all |
| DMARC | v=DMARC1;p=reject;rua=mailto:dmarcreporting@theguardian.com |
| DKIM selectors | google, k2 |
| MTA-STS | published |
| TLS-RPT | published |
| BIMI | not published |
| DNSSEC | not validating |
Run this check in your own code
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curl "https://mailgrade.dev/v1/domain?domain=theguardian.com"
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