Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rio.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 06:22:39 UTC · ↺ Refresh
MX Hostnames
- rio-edu.mail.protection.outlook.com
MX Priorities
- rio-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 23.185.0.1 (no PTR)
- 2620:12a:8001::1 (no PTR)
- 2620:12a:8000::1
Mail Server IPs
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
rockcamp.urg.edu netadmin.rio.edu 2015 900 600 86400 3600
Primary NS (mname)
rockcamp.urg.edu
Admin Email (rname)
netadmin@rio.edu
Serial
2015
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
ns2.rio.edu
rockcamp.urg.edu
ns1.rio.edu
hangingrock.urg.edu
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:206.244.166.0/24 ip4:206.21.59.86 ip4:216.17.113.168 ip4:216.147.212.20/30 ip4:64.74.237.230/31 include:outboundmail.blackbaud.net include:spf-na.exlibrisgroup.com include:spf.protection.outlook.com include:secure.giftlegacy.com mx ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
7 records- SPFv=spf1 ip4:206.244.166.0/24 ip4:206.21.59.86 ip4:216.17.113.168 ip4:216.147.212.20/30 ip4:64.74.237.230/31 include:outboundmail.blackbaud.net include:spf-na.exlibrisgroup.com include:spf.protection.outlook.com include:secure.giftlegacy.com mx ~all
- google-site-verification=at-516l-uX07SP-IAGi4MF769rNJqfE5bmeaKzFoSWU
- d365mktkey=PwJTuKyhXFOPrZWwj2LPBIsnHxKS5IHWTPgohUTQZ44x
- google-site-verification=xC0hbpOfxMAMECV70CkNcxPEDxdB4MLNrGSjFKP_umk
- d365mktkey=k9dxUnI66upbza1l4LcnkRVj5yFxOwxQDiTYVDvjH2Ix
- adobe-idp-site-verification=9d3904a7578226a54d459c61115cea6a4ea03da4c34a8be4f1cba8b72d650af5
- google-site-verification=NNyTExYaa3kEg8Cgoogle-site-verification=NNyTExYaa3kEg8CwexNTTlA35953i4YJeBYwbKrdtC8wexNTTlA35953i4YJeBYwbKrdtC8
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