Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
scalestack.ai
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 18:28:53 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- alt3.aspmx.l.google.com
MX Priorities
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
A / AAAA Records
- 198.202.211.1
- 2620:cb:2000::1
Mail Server IPs
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 142.251.111.27 ↩ bk-in-f27.1e100.net
- 2607:f8b0:4004:c1d::1a ↩ ww-in-f26.1e100.net
SOA Record
Raw SOA
guss.ns.cloudflare.com dns.cloudflare.com 2399870198 10000 2400 604800 1800
Primary NS (mname)
guss.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399870198
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
guss.ns.cloudflare.com
nena.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:mailgun.org include:amazonses.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
google._domainkey
k1._domainkey
s1._domainkey
s2._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
7 records- SPFv=spf1 include:_spf.google.com include:mailgun.org include:amazonses.com -all
- MS=ms22210373
- google-site-verification=NwLJm9bHoCrmA_iMARqA1H6nkjlyjnWw7_Hg42cpSQU
- google-site-verification=pZxZYWbPyynQE2xoEmUXpLj5EDoG2G4qX0pIPAUVC64
- one-time-verification=60a5f2b9-c964-4b2a-b877-49b76403204d
- slack-domain-verification=exBAXTJnuiz5xMWbfaQQgBQJc0uJVlnmflRbc4r8
- stripe-verification=93dfd2b16f16fe62726a1073cde5db373ecebd5e335ed477d534ed3313606f5e
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