Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
syntax.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 20:50:22 UTC · ↺ Refresh
MX Hostnames
- syntax-com.mail.protection.outlook.com
MX Priorities
- syntax-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.26.15.224 (no PTR)
- 104.26.14.224 (no PTR)
- 172.67.72.85
- 2606:4700:20::681a:fe0
- 2606:4700:20::ac43:4855
- 2606:4700:20::681a:ee0
Mail Server IPs
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
eve.ns.cloudflare.com dns.cloudflare.com 2400008950 10000 2400 604800 1800
Primary NS (mname)
eve.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400008950
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
eve.ns.cloudflare.com
sonny.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:_s00710058.autospf.email -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; aspf=s; adkim=s; rua=mailto:[email protected],mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
22 records- 1password-site-verification=IZHEGDOQXFAIZIK4KDZEV62VPY
- MS=ms81635917
- z2h71kjk4hvvb42t4f72n2br554ctk0g
- apple-domain-verification=eRs90WeJ2wyfzYkr
- amazon-business-verification=7137476cd01d0e195597781e488a633b0f0e468c66e4b1f3dfa28b9cd4332e02
- _fhsfdkwelxqf6b2gm76ou1xt6fc4v1i
- webexdomainverification.GXKX=4b8e41b7-d719-4dda-a00a-236bf268f835
- _zc0uw25hrxpsfh3hbzzqi3r78ihznbc
- docusign=2aa891e6-5b1a-49ae-b228-bcdec3bb2f28
- airtable-verification=04d9f9d625ab695a88e1b28a4c28d1df
- _79vlz354dmw3fjvu7mcael9swsvv1bq
- _vz1i82exp1r1m60k7uukeihhwvd3z9u
- rj6qbjq9mrxxtt2l976n99r5y18lvxm5
- smartsheet-site-validation=RijTEgbrha-JAGr-53lYkXlCfHJ7zySo
- cloudhealth=48fc9085-6738-4895-857d-4ff3094b38d7
- docusign=ed695dd2-11e4-403f-afaf-ef648dac7f7b
- aio4p20tcbfqhut1gkdkkmqcum
- atlassian-domain-verification=I//ROFzPGt2ac9sPQpXBY150qW3ErMIH5KkL5tr2Q1hjwyaTipAOTYnA8uE/zm6V
- sophos-domain-verification=793bf16896aed651ca134755d29c1088ae98afb0aba11d257706e2602d131609
- google-site-verification=Ji0SqMGola_YEDWw-6IOIBf60FxqXW8YRskACxhsRas
- have-i-been-pwned-verification=299ed383412d1440040392fa3860bbd7
- SPFv=spf1 include:_s00710058.autospf.email -all
Full email verification for syntax.com
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