Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tumblr.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 07:28:51 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx3.googlemail.com
- aspmx2.googlemail.com
- alt1.aspmx.l.google.com
MX Priorities
- alt2.aspmx.l.google.com: 5
- aspmx3.googlemail.com: 10
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
- aspmx2.googlemail.com: 10
A / AAAA Records
- 192.0.77.40 ↩ assets.tumblr.com
Mail Server IPs
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 192.178.155.27 ↩ yuiadrs-in-f27.1e100.net
- 2607:f8b0:4004:c09::1a ↩ bh-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
SOA Record
Raw SOA
ns1.tumblr.com hostmaster.tumblr.com 2026031005 10800 3600 604800 3600
Primary NS (mname)
ns1.tumblr.com
Admin Email (rname)
hostmaster@tumblr.com
Serial
2026031005
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3.tumblr.com
ns4.tumblr.com
ns2.tumblr.com
ns1.tumblr.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:_spf.automattic.com include:sendgrid.net include:mail.zendesk.com include:21055259.spf05.hubspotemail.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 216 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
15 records- atlassian-domain-verification=HLvi8VknRfLwuOZ7TmiaKM8GgOgai45SxxeWZddVaOBMgWielcwit/LmLXXPJm6G
- wtcg10h9bh0nrxglf6zc3p8mxy5t3mw9
- google-site-verification=49CbL4sd1lOCXXoGx4wSFD87B5_Py3QGacMNlrWK4Tw
- google-site-verification=juLeQVndZxEsqhKFQS09fSxOZ3d2Jx2BWZqaLXakugw
- yahoo-verification-key=+HOWRlDLIp3tUwSLvdfWrcKzs6tWS/LkZFYp8XGzC6k=
- google-site-verification=p3225uNj2Zmz4RRSuvITsVPAlTsPcdN0JAm8QJ5sii4
- figma-domain-verification=a2e41510ac6b0c5745595c76770385bfd602709c6d04e80ef830c9c482fc9e20-1768211767
- mailru-verification: c8b795f0ae1cbc3f
- google-site-verification=evUIJKvsT_rKVFCun0dPbCRHgQqDz1L3f36AjHyVuL4
- SPFv=spf1 include:_spf.google.com include:_spf.automattic.com include:sendgrid.net include:mail.zendesk.com include:21055259.spf05.hubspotemail.net -all
- google-site-verification=CnMcqJES0ObJWvPivA5DBJFXKOryg0I9rA5JPro-Sdc
- f050f00fa3c941ea9ee3f76fc6562a11
- dropbox-domain-verification=gsvpgz511vsp
- docusign=89f952a7-e765-4f50-a3d7-9de3cd65cac4
- 896862773-6204718
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