Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
plumbase.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 16:38:32 UTC · ↺ Refresh
MX Hostnames
- plumbase-co-uk.mail.protection.outlook.com
MX Priorities
- plumbase-co-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 52.212.89.12 ↩ ec2-52-212-89-12.eu-west-1.compute.amazonaws.com
Mail Server IPs
- 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
- 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
- 52.101.89.0 ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca1a:: ↩ mail-cwxp265cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::1 ↩ mail-lo3p265cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.namecity.com hostmaster.namecity.com 2025010701 43200 1800 2419200 3600
Primary NS (mname)
ns1.namecity.com
Admin Email (rname)
hostmaster@namecity.com
Serial
2025010701
Refresh
43200s
Retry
1800s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns1.namecity.com
ns2.namecity.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:168.245.123.71 ip4:149.72.228.57 ip4:35.189.68.156 ip4:34.89.24.35 ip4:35.197.194.115 ip4:159.183.128.112 ip4:168.245.13.211 ip4:168.245.74.40 include:spf.protection.outlook.com include:servers.ebsnd.com include:spfa.cpmails.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
10 records- SPFv=spf1 ip4:168.245.123.71 ip4:149.72.228.57 ip4:35.189.68.156 ip4:34.89.24.35 ip4:35.197.194.115 ip4:159.183.128.112 ip4:168.245.13.211 ip4:168.245.74.40 include:spf.protection.outlook.com include:servers.ebsnd.com include:spfa.cpmails.com ~all
- MS+6C6Dvzu00nk1aaP2N6MN6/BArBdUGnMLXLSZt+/vkzR5crHfJY5US6SzekiFx7NOBBD0ZLIPt1B/VGbY8iw==
- MS=ms75917727
- _globalsign-domain-verification=kO3Yt34skYpwhWTkWADC17j0SyJXEJjudCaTfYNmIt
- BPL=6929702
- BPL=9925249
- apple-domain-verification=LDa4NNcRAEPctKt8
- NrV3N55W5yKJ+R0zvj9W3Jvzj5JyDc6YLT6TYEUDKRQb+APdxf9lXDtQD1w8i5Kb3vIeEqmWvgdAy8nMOPfcRQ==
- MS=ms88486047
- google-site-verification=x1y1L5IFug_vxucmBCEOb8Xi7QcoQNto5p-_AKLL9V4
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for plumbase.co.uk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits