Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
e-arc.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-17 20:58:43 UTC · ↺ Refresh
MX Hostnames
- earc-co-uk0c.mail.protection.outlook.com
MX Priorities
- earc-co-uk0c.mail.protection.outlook.com: 0
A / AAAA Records
- 108.132.74.163 ↩ ec2-108-132-74-163.eu-west-1.compute.amazonaws.com
- 54.75.35.84 ↩ ec2-54-75-35-84.eu-west-1.compute.amazonaws.com
- 54.170.100.212
Mail Server IPs
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
SOA Record
Raw SOA
pdns71.ultradns.com sunil.e-arc.com 2021061142 86400 86400 86400 86400
Primary NS (mname)
pdns71.ultradns.com
Admin Email (rname)
sunil@e-arc.com
Serial
2021061142
Refresh
86400s
Retry
86400s
Expire
86400s
Minimum TTL
86400s
Nameservers (NS)
pdns71.ultradns.info
pdns71.ultradns.co.uk
pdns71.ultradns.biz
pdns71.ultradns.com
pdns71.ultradns.net
pdns71.ultradns.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:52.57.67.47/32 ip4:3.9.203.128/32 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
mail._domainkey
k1._domainkey
✓ 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- 3.9.203.128
- 79.171.34.48
- 213.212.88.160
- 213.212.88.171
- ob97jbeplmhumh4ataeladh4dt
- brevo-code:b2d0c0d36f912d8dccd0a6a0f3c1c398
- airtable-verification=82b6a7dfbf02d9476ef8caae204b2460
- SPFv=spf1 ip4:52.57.67.47/32 ip4:3.9.203.128/32 include:spf.protection.outlook.com -all
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