Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nationalmtb.org
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 23:16:36 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
MX Priorities
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 162.159.135.42
Mail Server IPs
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 142.251.16.27 ↩ bl-in-f27.1e100.net
- 2607:f8b0:4004:c19::1b ↩ bk-in-f27.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
SOA Record
Raw SOA
ns-695.awsdns-22.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-695.awsdns-22.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1709.awsdns-21.co.uk
ns-695.awsdns-22.net
ns-140.awsdns-17.com
ns-1429.awsdns-50.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:amazonses.com include:outboundmail.blackbaud.net include:45405801.spf01.hubspotemail.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._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- google-site-verification=_KEc4f4GqCchyvCHrmlb8dZXM1xCH2NH1lZB4VaLnwA
- hubspot-developer-verification=ZjAzNDcwOTctZDc2Ni00OTRlLTkyMjUtZjkxZGJhYTUyZGU1
- SPFv=spf1 include:_spf.google.com include:amazonses.com include:outboundmail.blackbaud.net include:45405801.spf01.hubspotemail.net ~all
- ca3-64e05dd12fd54f5698c4eaf03657ede1
- google-site-verification=ZNJ3XDHCpP3xC6C4rjYB8sinBkevP3ghXuYaIorYpEE
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