Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
aru.ac.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 08:42:11 UTC · ↺ Refresh
MX Hostnames
- myaru.mail.protection.outlook.com
MX Priorities
- myaru.mail.protection.outlook.com: 0
A / AAAA Records
- 20.90.134.21 (no PTR)
Mail Server IPs
- 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
- 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
- 52.101.89.0 ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::1 ↩ mail-lo3p265cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca1a:: ↩ mail-cwxp265cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
benedict.ns.cloudflare.com dns.cloudflare.com 2400426993 10000 2400 604800 1800
Primary NS (mname)
benedict.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400426993
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
elsa.ns.cloudflare.com
benedict.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:40.92.0.0/15 ip4:52.100.0.0/14 ip4:104.47.0.0/17 ip4:83.149.98.72/30 ip4:208.70.128.0/21 ip4:185.38.180.0/22 ip4:89.104.206.0/23 ip4:68.71.200.64/27 ip4:69.169.231.52/31 include:spf.topdesk.net include:_spf1.aru.ac.uk -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; sp=quarantine; aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
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
19 records- XQ1h6BS3ysCR3IRE9voBaBvUK6FGvMHs7JgpFGoxl9QCg/Rv+qw4eKF5HEj8YysI6YfgRZyzIImVzEYG3RCyzw==
- d365mktkey=PE9pPYfkmbHAWGxKhcUFcFc6xUUbSfQQctz2Z1qyQi4x
- have-i-been-pwned-verification=702a4386c338dc51a6f4b7ed51d9d106
- d365mktkey=P2gBiSmWCCkMxpKtdp6IEzfBWVJ3hgB8meb7DzTpmy4x
- QuoVadis=17cd2634-144a-4350-8c20-7841cbded934
- MS=ms99478111
- QuoVadis=89d5f791-0681-40f3-8a65-2a8e20dd5286
- adobe-idp-site-verification=4d11cb0087a4c302873d4e54ce21b4ab43c8b871988cd492ef5ae05c745b057f
- apple-domain-verification=UiE7bLVyljIkeh6C
- have-i-been-pwned-verification=3d05caee1aa85835bbb7fe088a2fb2a4
- SPFv=spf1 ip4:40.92.0.0/15 ip4:52.100.0.0/14 ip4:104.47.0.0/17 ip4:83.149.98.72/30 ip4:208.70.128.0/21 ip4:185.38.180.0/22 ip4:89.104.206.0/23 ip4:68.71.200.64/27 ip4:69.169.231.52/31 include:spf.topdesk.net include:_spf1.aru.ac.uk -all
- B379F4B7-2C0D-4CEE-9B21-D1293AC96AC4
- DMARCv=DMARC1;p=reject;adkim=r;rua=mailto:[email protected]
- google-site-verification=nZo66imOGBZ7jvv1h4b2uIWojRrAeyQe_YkhkPzMYaY
- d365mktkey=e21JDbcDNye0WhUUpxtIIvZaq2EBwxKpImU1VjxmuVox
- google-site-verification=tMJkqsEmiLdimDTeVtTzpNiup877cIDRWJonNqNDX9c
- Atlassian-domain-verification=DCietKifGjNkBIvpu68lmn80spp0rvG7WszqTghu0/5lgatAurATXac7SJVhHU4/
- facebook-domain-verification=kyto43pqspxv84lebpq9dxk4ed0938
- d365mktkey=Dbh9XpsdaAjHGswL5YEAVx8zrB6lfJXVydnAME1Rj8Mx
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