Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
edx.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 08:25:23 UTC · ↺ Refresh
MX Hostnames
- aspmx3.googlemail.com
- aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx2.googlemail.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- aspmx2.googlemail.com: 10
- aspmx3.googlemail.com: 10
A / AAAA Records
- 13.33.252.72 ↩ server-13-33-252-72.jfk50.r.cloudfront.net
- 13.33.252.84 ↩ server-13-33-252-84.jfk50.r.cloudfront.net
- 13.33.252.116 ↩ server-13-33-252-116.jfk50.r.cloudfront.net
- 13.33.252.85
Mail Server IPs
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 142.251.163.26 ↩ wv-in-f26.1e100.net
- 2607:f8b0:4004:c07::1b ↩ bc-in-f27.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
SOA Record
Raw SOA
ns-73.awsdns-09.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 300
Primary NS (mname)
ns-73.awsdns-09.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns-1753.awsdns-27.co.uk
ns-73.awsdns-09.com
ns-828.awsdns-39.net
ns-1472.awsdns-56.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_u.edx.org._spf.smart.ondmarc.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; sp=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; adkim=r; aspf=r; fo=1; rf=afrf; ri=3600
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
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
22 records- apple-domain-verification=6VfkC2MXgvez6NHJ
- google-site-verification=S98FBFJqeURQhHxBtC_UG84orCIkl7msuarSO5NoIPc
- atlassian-domain-verification=HN7ngRpg8qAazURti1cdbKGDap2uVfm7uvUYF/m9UkSHtwZM2P5Ub6muuhN47h1w
- google-site-verification=3wMRITKQ9E2388ON5mfWt98s48OBDMVzPO-7xY3U6H4
- adobe-idp-site-verification=0614d0e44da9d4b72a75d19e9138eb0052991fb2acb9d62cfd048eee75c7f24b
- amazonses:0rz9BauM6+L1fwnDKUmS4nofo+8gZvTReGo5q/EliHY=
- dropbox-domain-verification=9dvz1ju53nbf
- facebook-domain-verification=h2gg5zwnyax0dj0jyo4aafdtkpiiyu
- google-site-verification=tVFyMKACOBTnEVoW-XJ0jbunNP7bDxPLxUZpGs9j9go
- adobe-idp-site-verification=3f2215d19f499a970c4305a59755a6a1eb0f9850d7777a297a46db1e644e71c7
- atlassian-domain-verification=xpq-aB5aXpxCKMr7r3eDPHyz+H8uPB16jIppdmlCIloVrhEtCrKucpx/Nnqr1xJg
- segment-site-verification=2ZGPEbxZ025BzXh516qCWeQ7sGFFltDx
- hj-ownership=pzm3zqe*fhj7RQR3cpj
- ZOOM_verify_L9I5Fxqkv63ZPy63F1sHvK
- MS=ms89770774
- google-site-verification=-_Eevdy8NShzLkex28P2wC3zjbfVweCs0k5z5f6gm_k
- smartsheet-site-validation=bxOSD4ibPoym5apZEnln5bh2ckPn2Z1M
- google-site-verification=VmJhKMomzXGRq96pOMWst3QD0KvnurTNsPHNhv8qt1k
- docusign=3b85e379-88dd-467e-a926-0b63f700d89a
- SPFv=spf1 include:_u.edx.org._spf.smart.ondmarc.com ~all
- atlassian-sending-domain-verification=5c0c6ccf-f137-44f4-8b59-90f8c09ba730
- pardot1059723=4defac72d9323b4f44f80b440e6eb91a8958b1f3b98bc585c494a8a5af62483e
Full email verification for edx.org
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