Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sequentialtech.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 00:43:46 UTC · ↺ Refresh
MX Hostnames
- sequentialtech-com.mail.protection.outlook.com
MX Priorities
- sequentialtech-com.mail.protection.outlook.com: 0
A / AAAA Records
- 160.153.178.213 ↩ 213.178.153.160.host.secureserver.net
Mail Server IPs
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns89.worldnic.com namehost.worldnic.com 126021113 10800 3600 604800 3600
Primary NS (mname)
ns89.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126021113
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns89.worldnic.com
ns90.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf_useast2.prod.hydra.sophos.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rf=afrf; sp=quarantine; fo=1; adkim=r; aspf=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine
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
8 records- byn6okdy+ymx9jcggl2neosr4ml68g6rrfj03aluamdibyx6dkyafxaet0xdqoqhtktyrhfp9mpkfjv3y05lya==
- MS=ms48357464
- 500a53f828aec770a398a88ffd6c6ff7919e1451
- apple-domain-verification=3thftstrymzdjn6s
- zoho-verification=zb91349961.zmverify.zoho.in
- google-site-verification=2xbC63BTHryPmhVCn6UieWsxNN4pW5vM4BClGdnRZtc
- fct0jqoerh8bm3no0g3j2vd3ua
- SPFv=spf1 include:spf.protection.outlook.com include:_spf_useast2.prod.hydra.sophos.com -all
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