Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
lsbu.ac.uk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 19:30:43 UTC · ↺ Refresh
MX Hostnames
- mx-02-eu-west-1.prod.hydra.sophos.com
- mx-01-eu-west-1.prod.hydra.sophos.com
MX Priorities
- mx-01-eu-west-1.prod.hydra.sophos.com: 10
- mx-02-eu-west-1.prod.hydra.sophos.com: 20
A / AAAA Records
- 43.245.41.199 ↩ 199.41.245.43.in-addr.arpa
Mail Server IPs
- 54.76.166.245 ↩ ec2-54-76-166-245.eu-west-1.compute.amazonaws.com
- 52.17.155.28 ↩ ec2-52-17-155-28.eu-west-1.compute.amazonaws.com
- 34.248.96.114 ↩ ec2-34-248-96-114.eu-west-1.compute.amazonaws.com
SOA Record
Raw SOA
k2-ext-dns.lsbu.ac.uk postmaster.lsbu.ac.uk 1847 10800 3600 2592000 900
Primary NS (mname)
k2-ext-dns.lsbu.ac.uk
Admin Email (rname)
postmaster@lsbu.ac.uk
Serial
1847
Refresh
10800s
Retry
3600s
Expire
2592000s
Minimum TTL
900s
Nameservers (NS)
kw-ext-dns.lsbu.ac.uk
k2-ext-dns.lsbu.ac.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 include:rkb9go0ztp.powerspf.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
17 records- ibmid=55ebf3f1-959f-4700-aedc-ba9d4fdd8694
- SPFv=spf1 include:rkb9go0ztp.powerspf.com ~all
- adobe-idp-site-verification=45fbc48611310eb651dfe4fb40a80f458d5a3c4b22af4157cf894607642ff3ef
- google-site-verification=_su7zw6TfGX0o-PBNMxpWFIoOx6UIxwp1n5sazacgPw
- atlassian-domain-verification=TaaaHwcU2DzsdMNd3Xf1fR6sJlInVVlmxa4PGBzsmJrMFkrktFWlwUAP67ccLNUl
- v745lx58q3z3vr1f6qly7ynsqkvlfn7r
- sophos-domain-verification=988d3be57a622894598a203bbe0afe7c4609b77a
- 50D0EAEC-A051-41A1-A309-3AA530AD0D7C
- google-site-verification=qwxebhqwyEWna6406VyIhOVq6qOUocMM2bTn6aMqn4Y
- google-site-verification=XWM4L7klzlt6ztazbAEZr3nQ6t4uAMZD7vx1YHECu4Q
- 4bxrj0i/FMTKQM7iFwWOeIPOUMiWodRTN+bPAlfdTl3uYbfCLGH202O1RsXzhl+DItcAPyk1w99mg3m+4UdiAQ==
- google-site-verification=dfLP41owLFncAdCrgQ6kVR1e6Q0Q601BvdSG9xPK9v8
- amazonses:Gy2LK74jlcjrHg2KN/Ewb+aCo3qG6wzXWqKmvW4Un10=
- SFMC-xM0Rg_-vYUrAyOHvnnUV00tu3F5riCjbg8VfSL_R
- 00d4k000001nslcuau
- apple-domain-verification=ihP5bAf4sptT0jj0
- QuoVadis=920e6e31-47ef-4b43-9cd3-1748c82759e8
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