Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
santillana.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 05:46:20 UTC · ↺ Refresh
MX Hostnames
- santillana-com.mail.protection.outlook.com
MX Priorities
- santillana-com.mail.protection.outlook.com: 0
A / AAAA Records
- 18.164.96.121 ↩ server-18-164-96-121.jfk50.r.cloudfront.net
- 18.164.96.45 ↩ server-18-164-96-45.jfk50.r.cloudfront.net
- 18.164.96.104
- 18.164.96.68
Mail Server IPs
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-793.awsdns-35.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-793.awsdns-35.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-793.awsdns-35.net
ns-1162.awsdns-17.org
ns-1625.awsdns-11.co.uk
ns-424.awsdns-53.com
SPF Record
✓ Strict (-all)
v=spf1 a:mail-out.grupoprisa.net include:spf.santillana.com include:sendgrid.net include:spf.protection.outlook.com include:amazonses.com include:mail.zendesk.com include:amazonses.com include:_pmta2.antevenio.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
24 records- zoom-domain-verification=5cb4f6e3-b566-4eab-9573-8bceb0224b4f
- adobe-idp-site-verification=10091c1a-d9c8-417d-b81b-c7cdd1432933
- google-site-verification=bd7fnzYvY0-JdQudftOOkvRrrslgA1nyOR7D_cBJ3xI
- d365mktkey=1xk5d40n6y6wxj8o20ebnlvrj
- d365mktkey=653sak10knnmp4lkp0z2948bl
- d365mktkey=7bog9gv9olo0mplsbp1jfoqmf
- google-site-verification=GmeK-NnNjGKRFhryYmsyq6AC22aSrD0emdkgG6r_kqQ
- qbtb5esnj7d5jscb21b2d24e4l
- d365mktkey=54g6jaz8c5p2wxtnuyp7z0meo
- adobe-idp-site-verification=b5c313e7f1df3d5e628a3008e2e7d9705ac4c9696babb3e4b7898f5880f17632
- MS=ms96199414
- qndtx6hsy8m4pt33knb3kz76cyp5jm77
- 47u19eqtrote20d3evjuladfk0
- d365mktkey=5qlu4tpqm0vkfzcafmp4us4jl
- atlassian-domain-verification=MWUBFpCD2zYBXKHoDvY/w7wr4hdmTnjGM0U6KQ5aHHROKvICrBzAbtTeXWQ/ABUe
- d365mktkey=ofbosp1yxoyb6y37z0an88ip
- o5WhKSTbR7xxNbgWBqzDC0tDbh+X0kEe/FfSEtPOxW8=
- k1rff9zyqzxp2y8177jvwv58c7k3tbv9
- Sendinblue-code:3b6eea36b2b2c1cf82823aceeffa101a
- d365mktkey=4cll2ep039d4i8o3o3c48txo4
- SPFv=spf1 a:mail-out.grupoprisa.net include:spf.santillana.com include:sendgrid.net include:spf.protection.outlook.com include:amazonses.com include:mail.zendesk.com include:amazonses.com include:_pmta2.antevenio.com -all
- d365mktkey=V4EO007A471eQ6UjSStxPgQgyexlHvU7HsxxR0gCYhgx
- infoblox-domain-mastery=77245b4f07723b8c9bc29e48a6cbaee2c1c40a27c74a1158e090a1fb42364a240e
- msfpkey=1q470h75mvqsm0wbqn30b7gpj
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