Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
microrainbow.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 05:51:25 UTC · ↺ Refresh
MX Hostnames
- microrainbow-org.mail.protection.outlook.com
MX Priorities
- microrainbow-org.mail.protection.outlook.com: 0
A / AAAA Records
- 185.151.30.223 ↩ 185-151-30-223.ptr4.stackcp.net
- 2a07:7800::223 (no PTR)
Mail Server IPs
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.stackdns.com hostmaster.stackdns.com 1747303928 1800 900 1209600 300
Primary NS (mname)
ns1.stackdns.com
Admin Email (rname)
hostmaster@stackdns.com
Serial
1747303928
Refresh
1800s
Retry
900s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns1.stackdns.com
ns2.stackdns.com
ns3.stackdns.com
ns4.stackdns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- google-site-verification=tBTRqhwUyxioMlr-kGzIfTFWsu8-cQo0KQGNmr3hR0o
- MS=ms83351098
- msfpkey=622nm0jf5vqctf0oe7oi2viat
- apple-domain-verification=4kazrKeD4OAJBxMa
- cookieyes-site-verification=nvfdNpypjb-XMi1p8e6Sr-sMWoipm3vY-WZOwu4IBVi
- SPFv=spf1 include:spf.protection.outlook.com -all
- yandex-verification: aeab5d8a863caf73
- facebook-domain-verification=6qbhedeyri1zglwfml16j0vc5kqqcq
- google-site-verification=S4Vg86EFq5Hq6x9qn9tGeR3jLvILStAhVNkm3lstcRM
Full email verification for microrainbow.org
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