Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
peninsula.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 08:43:51 UTC · ↺ Refresh
MX Hostnames
- peninsula-com.mail.protection.outlook.com
MX Priorities
- peninsula-com.mail.protection.outlook.com: 5
A / AAAA Records
- 104.18.21.141 (no PTR)
- 104.18.20.141 (no PTR)
- 2606:4700::6812:158d (no PTR)
- 2606:4700::6812:148d (no PTR)
Mail Server IPs
- 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
- 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
alex.ns.cloudflare.com dns.cloudflare.com 2399804435 10000 2400 604800 1800
Primary NS (mname)
alex.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399804435
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
olivia.ns.cloudflare.com
alex.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spfa.peninsula.com include:spfb.peninsula.com include:spfc.peninsula.com include:spf.synxis.com include:spf3party.peninsula.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=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]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
11 records- docusign=859f82e6-4fee-4b70-bbd3-4382399382df
- google-site-verification=BhTfSqxXFqxU3P7-lVPSgFgHSE_t8O59zx9OtpEDIVI
- google-site-verification=CGbI-u0y-75GvhWuitlJFSI6FuLvBN-lwBVajdTu4cI
- ms-domain-verification=562eb593-1d0f-4aa4-bffa-f7cc757b4016
- SPFv=spf1 include:spf.protection.outlook.com include:spfa.peninsula.com include:spfb.peninsula.com include:spfc.peninsula.com include:spf.synxis.com include:spf3party.peninsula.com -all
- MS=ms39047464
- _globalsign-domain-verification=NANLXf9jy8-PRIbMd9JTQi4mqXrlY2ND0zZI6I9J9B
- _l8eb7dkyhogwqpdxeedp13vdqjwop6u
- apple-domain-verification=jtDVYHaQHyWNCFbv
- atlassian-domain-verification=8PHi3Z9vx0WDtR4adYn6zAn2FCBNvHCdNyX9TBl5nlPGP6QjCIsC0i1ImZie9Jl9
- docusign=82d0a5f6-15a0-433e-b0a1-52cc854d987c
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