Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
stc.ac.uk
Yes
โ Yes
Outlook
No
No
โ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
ยท 2026-03-18 00:15:35 UTC ยท โบ Refresh
MX Hostnames
- stc-ac-uk.mail.protection.outlook.com
MX Priorities
- stc-ac-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 212.219.39.132 (no PTR)
Mail Server IPs
- 52.101.89.2 โฉ mail-lo3p265cu00302.inbound.protection.outlook.com
- 52.101.89.1 โฉ mail-lo0p265cu00201.inbound.protection.outlook.com
- 52.101.99.2 โฉ mail-cwxp265cu00502.inbound.protection.outlook.com
- 52.101.89.0 โฉ mail-lo2p265cu02300.inbound.protection.outlook.com
- 2a01:111:f403:ca1a::1 โฉ mail-cwxp265cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca0b:: โฉ mail-lo2p265cu02300.inbound.protection.outlook.com
- 2a01:111:f403:ca1a:: โฉ mail-cwxp265cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::2 โฉ mail-lo0p265cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns11.ja.net hostmaster.ns11.ja.net 2000000004 43200 3600 3600000 3600
Primary NS (mname)
ns11.ja.net
Admin Email (rname)
hostmaster@ns11.ja.net
Serial
2000000004
Refresh
43200s
Retry
3600s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns11.ja.net
ns10.ja.net
ns12.ja.net
SPF Record
โ Strict (-all)
v=spf1 mx ip4:212.219.39.128/28 ip4:212.219.143.192/26 include:spf.protection.outlook.com include:servers.mcsv.net -all
๐ DNS lookups: 3/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected];
โ Reject โ strongest protection
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected]
DKIM Selectors
โ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
โ Public key: 392 chars (valid)
โ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- EA1DE801-8BB7-4A2B-97B3-DA028B6E1B2E
- QuoVadis=b676ad83-eff9-41a9-a920-ddc3cd5fa40a
- google-site-verification=eU0QLgYwm6fR5A0I_cXpKejEdH43uVEfyKAkFcjIW1k
- adobe-idp-site-verification=2f1c25b0-d403-4d61-b60b-64caaa26b6c9
- MS=ms95356178
- SPFv=spf1 mx ip4:212.219.39.128/28 ip4:212.219.143.192/26 include:spf.protection.outlook.com include:servers.mcsv.net -all
- VYW0vSFF67VLXOW7pCp2Dy49QNWZrW7gbtBlqQHd9B9FtCuq6sPy5keWnF7MbV85Vlvg0DOKjNH4FV1H54Wu6A==
- _ejyemwjuz1oikw0fwr72gjp1m64fiiy
Full email verification for stc.ac.uk
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits