Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
city.ac.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 14:54:23 UTC · ↺ Refresh
MX Hostnames
- city-ac-uk.mail.protection.outlook.com
MX Priorities
- city-ac-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 43.245.41.211 ↩ 211.41.245.43.in-addr.arpa
Mail Server IPs
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.city.ac.uk hostmaster.city.ac.uk 2405 10800 1080 2419200 3600
Primary NS (mname)
ns01.city.ac.uk
Admin Email (rname)
hostmaster@city.ac.uk
Serial
2405
Refresh
10800s
Retry
1080s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns02.city.ac.uk
ns01.city.ac.uk
ns3.ja.net
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=city.ac.uk.on.autospf.email
📊 DNS lookups: 1/10
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; adkim=r; aspf=r; fo=1; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
11 records- onetrust-domain-verification=6b3bd6284f7c4841bbe79c694e1480d6
- ca3-e03f0c811bf944c592868498208eca1b
- msfpkey=23ya36mhyo78hr2n1sm333xrr
- amazonses:sVnIYMOurLU7rmy/km/KiPr9j2ce14sCW+z4zEc4R7M=
- autodesk-domain-verification=sFrgq_TvM7MiV0VVMpLq
- google-site-verification=WbBSOwt3pC97FSgPxqaJL_V6a_i_QL_eDGeON7ZLf-A
- airtable-verification=00893238b74b01c9c3a560357af50f91
- google-site-verification=cHaSUsb3kzMbERTM5GrktOMSjGL_y8aKZe_BwyOmNV4
- SPFv=spf1 redirect=city.ac.uk.on.autospf.email
- 9YBfGz9sHPN9dKgXjvGIWwNjFUB28ujWHsaYF4iro6976khTU8IUSxKXpAJQBt5o7d6oJLhNEzQXQTf6aZY8Gg==
- dropbox-domain-verification=wxk61o8p2y7h
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