Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
antithesis.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 05:05:23 UTC · ↺ Refresh
MX Hostnames
- aspmx2.googlemail.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- aspmx3.googlemail.com
MX Priorities
- aspmx.l.google.com: 1
- aspmx2.googlemail.com: 10
- aspmx3.googlemail.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 108.138.106.70 ↩ server-108-138-106-70.jfk50.r.cloudfront.net
- 108.138.106.35 ↩ server-108-138-106-35.jfk50.r.cloudfront.net
- 108.138.106.21 ↩ server-108-138-106-21.jfk50.r.cloudfront.net
- 108.138.106.64
- 2600:9000:24f0:8600:3:7249:7f00:93a1
- 2600:9000:24f0:3400:3:7249:7f00:93a1
- 2600:9000:24f0:d600:3:7249:7f00:93a1
- 2600:9000:24f0:5000:3:7249:7f00:93a1
- 2600:9000:24f0:7e00:3:7249:7f00:93a1
- 2600:9000:24f0:e400:3:7249:7f00:93a1
- 2600:9000:24f0:1600:3:7249:7f00:93a1
- 2600:9000:24f0:2a00:3:7249:7f00:93a1
Mail Server IPs
- 142.251.179.26 ↩ pd-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1b ↩ ww-in-f27.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
SOA Record
Raw SOA
ns-664.awsdns-19.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-664.awsdns-19.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1882.awsdns-43.co.uk
ns-394.awsdns-49.com
ns-664.awsdns-19.net
ns-1377.awsdns-44.org
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:_spf.salesforce.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; ri=86400; rua=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
5 records- SPFv=spf1 include:_spf.google.com include:_spf.salesforce.com -all
- 730715E780
- google-site-verification=Gna8-fq7TCgQQRjqB-z-Ja9buTwIGMeDstwgpvUsRcQ
- google-site-verification=NIvHoFFQywvxfflUyTTECid8V3GaxgpddKAkk_jp2hc
- rippling-domain-verification=f90136df4708e844
Full email verification for antithesis.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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