Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
instil.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 01:12:32 UTC · ↺ Refresh
MX Hostnames
- instil-co.mail.protection.outlook.com
MX Priorities
- instil-co.mail.protection.outlook.com: 0
A / AAAA Records
- 18.164.116.101 ↩ server-18-164-116-101.jfk50.r.cloudfront.net
- 18.164.116.40 ↩ server-18-164-116-40.jfk50.r.cloudfront.net
- 18.164.116.3
- 18.164.116.85
Mail Server IPs
- 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
- 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
- 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
- 52.101.89.0 ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::1 ↩ mail-lo3p265cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca1a:: ↩ mail-cwxp265cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-314.awsdns-39.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-314.awsdns-39.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1700.awsdns-20.co.uk
ns-314.awsdns-39.com
ns-954.awsdns-55.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.salesforce.com include:mailgun.org include:spf.protection.outlook.com include:amazonses.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected],mailto:[email protected];fo=1; ri=86400;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 4 found
google._domainkey
selector1._domainkey
selector2._domainkey
s1._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
12 records- pardot1103262=d86a4b680e2b31513b8973492f7941af77dfa7709615b28989d08287d9c26894
- sending_domain1103262=1a1aaad5f2fc94d52ebeb07e7117ba02021938bf80378bd89d81672c737eca04
- slack-domain-verification=IgcV3APW7hhLX1Zx4zOOOhnQOCoG3rtIwCXCSyCr
- SPFv=spf1 include:_spf.salesforce.com include:mailgun.org include:spf.protection.outlook.com include:amazonses.com ~all
- 00D8d00000AptCB=1TBSr00000000OD
- MS=ms14903860
- _pj8uk55dlox749f7d4i13lrflv1obor
- anthropic-domain-verification-2qngvq=4mNlbTGXU8QuhmHnwHDoaZi0m
- apple-domain-verification=JBgS8KLAMXuDxkdt
- atlassian-domain-verification=VZ+9cSxT7E5cUgFpKQ+zJ/vo39Gd+bUkOOcqJt4s3PyLF47kA6qWg82JM0fyJAzk
- google-site-verification=0DDZTR8kKusqKagOc6Kav3ASFuOYMWA6opjiLoA5SjE
- google-site-verification=CsyxPWLjO3KKa8oZjDjuzb0RnL0VD5LlEO-bf67mq5s
Full email verification for instil.co
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