Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
simon.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 16:07:53 UTC · ↺ Refresh
MX Hostnames
- simon-com.mail.protection.outlook.com
MX Priorities
- simon-com.mail.protection.outlook.com: 5
A / AAAA Records
- 135.222.185.61 (no PTR)
Mail Server IPs
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
udns1.cscdns.net premiumdns.support.neustar 2019111990 10800 3600 1209600 300
Primary NS (mname)
udns1.cscdns.net
Admin Email (rname)
premiumdns@support.neustar
Serial
2019111990
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
udns2.cscdns.uk
udns1.cscdns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf1.simon.com include:spf2.simon.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._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- google-site-verification=8z-QU0TSJ96_RIQI9C2LO9rE_sTRzJngBVWaxVl2-iQ
- SPFv=spf1 include:spf1.simon.com include:spf2.simon.com -all
- apple-domain-verification=IvgUFOq_XIWvqrqmKGWtKzG2cTmcSyT4TlpFZbW8Em8
- google-site-verification=gZyAJ5HLGmnXsQQuAqpF86tN6VOsRbjQbUBsK5wfESo
- _globalsign-domain-verification=SQONiBgTxRVzPPtIHjei_IUGCiAa0KxoVWFw1QfVes
- u7uvbu5f87kgq9l4scbu6gn4ml
- docusign=ea8a4ccf-8919-4405-b80e-2cad6222da7f
- atlassian-domain-verification=BGKqgs8MARFyU/BBEf6WezKY502UkleqCtBpWro7lv9u35FS1xPn5XieVEH7HsAy
- facebook-domain-verification=re8bp2og4wl83ni8fml07eqgulbmek
- 977hw9xmm24ny9bl4qf2qgz27rqjs1xb
- _lhmrq00jkel08tnpya25dtyzuw0amxt
- google-site-verification=qaOAEpWccWlM1RXTApsY71HqVB4nHsloNxFkffJF4uU
- postman-domain-verification=d552cd9f2b05401a7f8c7934cd6ebd2ffe8dc4cc7cfcd1155352beb3be9da769a3f8904f41c4ce0ef3ed4540788bf26638d2b378d9f4c214c268097941359f0a
- onetrust-domain-verification=2d4fde0f525a4c0fae7651bbe1d5b8fa
- klaviyo-site-verification=YgnVSm
- docusign=6e20a13c-8006-4010-bfec-c61b6f40a449
- google-site-verification=DslJlrOwIY7Eq9xjQ-QrGRVmY96VU2KUjZloYfuYEu8
- canva-site-verification=l18BfjecOmCANdM4ym63KQ
- anthropic-domain-verification-s04mf7=A0vufhyozBS3pOvJixjvWXVCW
- fastly-domain-delegation-00338810-Pj05H2hV4G3-2025-03-31
- gu5h4pdaaqd3n3df3uhur44f54
- google-site-verification=ZXOj0-wqdWghdU3OYbSatHvAEQpZYSNASxv1Vczj1wA
- postman-domain-verification=c17dbf91c46ff8b969f9e22dca4e6466faf1379acebac6134ae2ddd242b841cb08ff788a242908ef5fdd08b4f77aba43fc6cbcb6e38878ebc5860ee037d84941
- klaviyo-site-verification=SumnKP
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