stc.ac.uk

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
stc.ac.uk
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-18 00:15:35 UTC ยท โ†บ 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 โ†ฉ mail-lo3p265cu00302.inbound.protection.outlook.com
  • 52.101.89.1 โ†ฉ mail-lo0p265cu00201.inbound.protection.outlook.com
  • 52.101.99.2 โ†ฉ mail-cwxp265cu00502.inbound.protection.outlook.com
  • 52.101.89.0 โ†ฉ mail-lo2p265cu02300.inbound.protection.outlook.com
  • 2a01:111:f403:ca1a::1 โ†ฉ mail-cwxp265cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b:: โ†ฉ mail-lo2p265cu02300.inbound.protection.outlook.com
  • 2a01:111:f403:ca1a:: โ†ฉ mail-cwxp265cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b::2 โ†ฉ 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

โœ“ 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
๐Ÿ“Š DNS lookups: 3/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected];
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ 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