Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
usc.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 23:38:19 UTC · ↺ Refresh
MX Hostnames
- usc-co-uk.mail.protection.outlook.com
MX Priorities
- usc-co-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 23.209.72.55 ↩ a23-209-72-55.deploy.static.akamaitechnologies.com
- 23.209.72.74 ↩ a23-209-72-74.deploy.static.akamaitechnologies.com
- 2600:141b:1c00:26::17ce:acac
- 2600:141b:1c00:26::17ce:acd0
Mail Server IPs
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
SOA Record
Raw SOA
a1-144.akam.net hostmaster.usc.co.uk 2024013012 3600 600 604800 300
Primary NS (mname)
a1-144.akam.net
Admin Email (rname)
hostmaster@usc.co.uk
Serial
2024013012
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
a12-67.akam.net
a5-66.akam.net
a14-64.akam.net
a1-144.akam.net
a18-65.akam.net
a9-67.akam.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:77.86.28.73 ip4:86.17.5.233 ip4:86.17.5.229 ip4:195.11.175.229 ip4:109.176.84.229 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
14 records- OTFwxy+/28XHiWGDDuZEAK1a7ntag0FtDrJfU2zd+R5DWnj+dkNn0jn8hDC1P5Bw8qPBSO8kkxbfqPjhm1Xwjg==
- jJNADviipliHLvAKmXj/GU2R9R+8NewIPeCZbMHmOfg=
- ntBM1Bn7y4FI/pPdJnfhEHIJHE52VSba7Sdn3aQh9tc=
- globalsign-domain-verification=KIElkSanFBOd0XrJG_EI1p0qBksPphXGzHRnvf6-bk
- MS=ms60678377
- rovag_verification_token=4531D286D5F34C9EB14DD71AD80FAA77
- facebook-domain-verification=l5m1963cmgx2jvuf897aeniqkc58fk
- globalsign-domain-verification=a9-JFLGUEdt3QYylJ6JtToXwYHhenzS5Cnov-4rbfq
- google-site-verification=J3DNfMv0XuJKIKVdH2GQZLtWT4rFHzsHsCIArmBob_I
- SPFv=spf1 ip4:77.86.28.73 ip4:86.17.5.233 ip4:86.17.5.229 ip4:195.11.175.229 ip4:109.176.84.229 include:spf.protection.outlook.com -all
- 4GL0BTTin3SMh/3oDwmitmrO5TN+xsu20D8NtmDnp3tRYibE0UIQWojFAxaslW2vpaZTNa4hzsaZyCbW+QVlgA==
- yNGKdNmEk9LU8CqlOpk4N+aohyX+xyBqXplhscT4vFk=
- globalsign-domain-verification=2Td6uq7UyMO2vDwGMSMQl0NjTHzWkwtlsXyPvHGY36
- SMHPD7DaczYO9rtOWRFntykIL0t1kePF+oIYAxWR3XM=
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