Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
criticalmention.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 12:48:05 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 1
A / AAAA Records
- 141.193.213.21 (no PTR)
- 141.193.213.20
Mail Server IPs
- 142.251.167.27 ↩ ww-in-f27.1e100.net
- 192.178.155.27 ↩ yuiadrs-in-f27.1e100.net
- 192.178.155.26 ↩ yuiadrs-in-f26.1e100.net
- 192.178.218.26 ↩ yuiadtq-in-f26.1e100.net
- 142.251.167.26 ↩ ww-in-f26.1e100.net
- 2607:f8b0:4004:c23::1a ↩ yuiadrs-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1a ↩ ww-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1b ↩ ww-in-f27.1e100.net
- 2607:f8b0:4004:c23::1b ↩ yuiadrs-in-f27.1e100.net
SOA Record
Raw SOA
ns-1937.awsdns-50.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1937.awsdns-50.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-688.awsdns-22.net
ns-1305.awsdns-35.org
ns-1937.awsdns-50.co.uk
ns-497.awsdns-62.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ip4:198.101.238.19 include:spf.mandrillapp.com ip4:167.89.82.131 include:_spf.salesforce.com include:mail.zendesk.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
google._domainkey
default._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
3 records- atlassian-domain-verification=U5IeydfNJQGIVNumVBVrK2W2/bdg9t4UOpu6T8s/Ld1Lr0DdMRMnQotkRymKzY00
- dvg7drj168785db72s242j0zwwnpv595
- SPFv=spf1 include:_spf.google.com ip4:198.101.238.19 include:spf.mandrillapp.com ip4:167.89.82.131 include:_spf.salesforce.com include:mail.zendesk.com ~all
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