Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sonoma.edu
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 19:28:30 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- smtp.google.com
MX Priorities
- smtp.google.com: 1
- aspmx.l.google.com: 5
A / AAAA Records
- 104.18.30.95
- 104.18.31.95
- 2606:4700::6812:1f5f
- 2606:4700::6812:1e5f
Mail Server IPs
- 142.251.16.26 ↩ bl-in-f26.1e100.net
- 142.250.31.27 ↩ bj-in-f27.1e100.net
- 142.250.31.26 ↩ bj-in-f26.1e100.net
- 142.251.111.26 ↩ bk-in-f26.1e100.net
- 142.251.111.27 ↩ bk-in-f27.1e100.net
- 2607:f8b0:4004:c0b::1a ↩ bj-in-f26.1e100.net
- 2607:f8b0:4004:c19::1a ↩ bk-in-f26.1e100.net
- 2607:f8b0:4004:c19::1b ↩ bk-in-f27.1e100.net
- 2607:f8b0:4004:c0b::1b ↩ bj-in-f27.1e100.net
- 172.253.62.27 ↩ bc-in-f27.1e100.net
- 2607:f8b0:4004:c07::1b
SOA Record
Raw SOA
blue.foundationdns.com dns.cloudflare.com 2400204044 10000 2400 604800 1800
Primary NS (mname)
blue.foundationdns.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400204044
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
blue.foundationdns.com
blue.foundationdns.net
blue.foundationdns.org
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:spf.protection.outlook.com ip4:130.157.3.0/24 ip4:130.157.28.0/24 ip4:130.157.30.0/24 include:ironportspf.calstate.edu -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; adkim=s; aspf=s; pct=0; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
⚠ Policy applies to 0% of failing messages only
DKIM Selectors
✓ 3 found
google._domainkey
selector1._domainkey
selector2._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
8 records- box-domain-verification=71c066328322c122a302dca46cec153d7e0fa3f8ea79841d10dde8544be266e6
- google-site-verification=hD1cHNP3As_yPp8AO4t7TJTvawHIwGO3p3hDtEG0joU
- jamf-site-verification=A6vok5hlKZ2xFowHyvdPfA
- openai-domain-verification=dv-n0Q16ZnUWp7IdoCe8gtIt2Zq
- smartsheet-site-validation=CyySo5wdVnx3A8MeL1lkVP77ROoYgMdk
- SPFv=spf1 include:_spf.google.com include:spf.protection.outlook.com ip4:130.157.3.0/24 ip4:130.157.28.0/24 ip4:130.157.30.0/24 include:ironportspf.calstate.edu -all
- MS=ms87533504
- apple-domain-verification=rsaRoWKQLqRVqDD2
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