Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sertifi.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 20:42:19 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt4.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
- 104.18.13.101
- 104.18.12.101
Mail Server IPs
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.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::1b ↩ dj-in-f27.1e100.net
- 172.253.115.27 ↩ bg-in-f27.1e100.net
- 2607:f8b0:4004:c23::1b ↩ yuiadrs-in-f27.1e100.net
SOA Record
Raw SOA
titan.ns.cloudflare.com dns.cloudflare.com 2398555853 10000 2400 604800 1800
Primary NS (mname)
titan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398555853
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
walk.ns.cloudflare.com
titan.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:52.1.14.157 ip4:107.20.210.250 ip4:204.93.207.42 ip4:204.93.207.36 ip4:107.21.57.45 ip4:204.93.207.38 ip4:107.23.69.160 ip4:96.43.144.0/20 ip4:182.50.76.0/22 ip4:202.129.242.0/23 ip4:204.14.232.0/21 ip4:62.17.146.128/26 ip4:64.18.0.0/20 ip4:207.126.144.0/20 ip4:68.232.207.20 ip4:207.67.38.45 include:mail.zendesk.com include:spf.protection.outlook.com include:stspg-customer.com include:_spf.salesforce.com include:emsd1.com include:aspmx.pardot.com include:spf.mandrillapp.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; sp=reject; aspf=r; rf=afrf;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 6 found
google._domainkey
selector1._domainkey
selector2._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
17 records- jamf-site-verification=38MuXg3AwHNwPeuGNtsvzA
- pardot642683=310dc5825df8680895e01366702a800e92a84ee724806cd01897f5ae86f46aff
- stripe-verification=4625588B802AE0CBEC60350DE24CA0BDCD2C45FEAFDCE355A37518D0CF1FE31B
- apple-domain-verification=NojMbxPL4TdZwdwf
- MS=ms37491880
- logmein-verification-code=45cbeb30-f64f-42b4-b8e2-4785665d50d4
- google-site-verification=7a-zG1517RzyTgFjgY8wkODpmRneetftocYskcNtj80
- atlassian-domain-verification=0D-zUse4NcZPrwF0zc5oFHN7MyIvCHMeRiN9JqGafn1fGLXTT+R1jzoe6doAlHKO
- 1password-site-verification=XZPKBRNHE5FUHEXZEEHY5TDHV4
- hcp-domain-verification=6344b3377952b8734ba73355568509a683391aa33f176a368c09746e76b01403
- LzbJ4v/GkVJW2FKSrNaQAWrUhDqNb4m2mjwJ5vNLitk=
- miro-verification=829cb358f1d4b4881625acdb208e69234edab48a
- google-site-verification=f3SyK7WRTRTBzJGrJNDs1r6-LlX0MHNFfNApNYG33vc
- atlassian-domain-verification=gHhYggmk5hhCT6NOAauBU4nHnFM5hbMfMX4sagWIcOdDm9hyJheEp29gD7ppPkOy
- status-page-domain-verification=ldfjdpffmcbf
- SPFv=spf1 ip4:52.1.14.157 ip4:107.20.210.250 ip4:204.93.207.42 ip4:204.93.207.36 ip4:107.21.57.45 ip4:204.93.207.38 ip4:107.23.69.160 ip4:96.43.144.0/20 ip4:182.50.76.0/22 ip4:202.129.242.0/23 ip4:204.14.232.0/21 ip4:62.17.146.128/26 ip4:64.18.0.0/20 ip4:207.126.144.0/20 ip4:68.232.207.20 ip4:207.67.38.45 include:mail.zendesk.com include:spf.protection.outlook.com include:stspg-customer.com include:_spf.salesforce.com include:emsd1.com include:aspmx.pardot.com include:spf.mandrillapp.com -all
- google-site-verification=GFLr7s6CeYmx953uii3DboLeYdEFopREROoTn15CShg
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