Domain Overview
DNS: ✓ 3mo ago
Checker: ✓ 3mo ago
nwlondoncommercial.co.uk
Yes
✓ Yes
Mailgun
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 04:09:56 UTC · ↺ Refresh
MX Hostnames
- cluster5.eu.messagelabs.com
- mxa.mailgun.org
- cluster5a.eu.messagelabs.com
- mxb.mailgun.org
MX Priorities
- mxb.mailgun.org: 11
- cluster5.eu.messagelabs.com: 10
- mxa.mailgun.org: 11
- cluster5a.eu.messagelabs.com: 20
A / AAAA Records
- 198.49.23.145
- 198.49.23.144
- 198.185.159.145
- 198.185.159.144
Mail Server IPs
- 34.149.236.64 ↩ 64.236.149.34.bc.googleusercontent.com
- 85.158.142.214 ↩ mail838.messagelabs.com
- 195.245.230.201 ↩ mail859.messagelabs.com
- 85.158.142.215 ↩ mail839.messagelabs.com
- 85.158.142.210 ↩ mail834.messagelabs.com
- 195.245.231.75 ↩ mail879.messagelabs.com
- 195.245.231.72 ↩ mail876.messagelabs.com
- 195.245.231.69 ↩ mail874.messagelabs.com
- 195.245.230.202 ↩ mail860.messagelabs.com
- 34.91.159.228 ↩ 228.159.91.34.bc.googleusercontent.com
SOA Record
Raw SOA
oswold.obsidianinternet.net domains.obsidianinternet.net 2025081201 600 600 1209600 3600
Primary NS (mname)
oswold.obsidianinternet.net
Admin Email (rname)
domains@obsidianinternet.net
Serial
2025081201
Refresh
600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
wuffles.obsidianinternet.net
rincewind.obsidianinternet.net
oswold.obsidianinternet.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.messagelabs.com include:spf.protection.outlook.com include:mailgun.org ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:spf.messagelabs.com include:spf.protection.outlook.com include:mailgun.org ~all
- nwlondoncommercial-co-uk.mail.protection.outlook.com
- MS=ms28367243
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