Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mcdermott.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 17:03:16 UTC · ↺ Refresh
MX Hostnames
- mxb-00207101.gslb.pphosted.com
- mxa-00207101.gslb.pphosted.com
MX Priorities
- mxa-00207101.gslb.pphosted.com: 10
- mxb-00207101.gslb.pphosted.com: 10
A / AAAA Records
- 23.53.11.168 ↩ a23-53-11-168.deploy.static.akamaitechnologies.com
- 23.53.11.171 ↩ a23-53-11-171.deploy.static.akamaitechnologies.com
- 2600:1407:3c00:cc::172d:2eca ↩ g2600-1407-3c00-00cc-0000-0000-172d-2eca.deploy.static.akamaitechnologies.com
- 2600:1407:3c00:cc::172d:2ed0 ↩ g2600-1407-3c00-00cc-0000-0000-172d-2ed0.deploy.static.akamaitechnologies.com
Mail Server IPs
- 148.163.148.31 ↩ mx0a-00207101.pphosted.com
SOA Record
Raw SOA
pdns1.ultradns.net ian\.darce.mcdermott.com 2013116037 43200 900 604800 10800
Primary NS (mname)
pdns1.ultradns.net
Admin Email (rname)
ian\@darce.mcdermott.com
Serial
2013116037
Refresh
43200s
Retry
900s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
pdns2.ultradns.net
pdns3.ultradns.org
pdns4.ultradns.org
pdns5.ultradns.info
pdns6.ultradns.co.uk
ns43.ultradns2.com
ns43.ultradns2.org
pdns1.ultradns.net
SPF Record
✓ Strict (-all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
18 records- cisco-ci-domain-verification=797142b679fc85d219a19bc2918e77983e0c4549536dfe167c125c47abb4e64d
- atlassian-domain-verification=B6xdEXSVIWB1zbQfUdTFOZ5IIPao5PI7TWSYvdLE8zFHB8S39OrdCUin30zxggLk
- MS=ms37265192
- 11uimqlkis7q17kn9cjn03gr1g
- 3m6pjkafja5slipb0cr1d7ptgk
- aag8428a5r3nn6gluo6ma17hja
- e77dks3pnp0iv1t2es4n9ja1tc
- fqhmlvml38r3r1a1h66uoujs06
- mdrpublicsite.azurewebsites.net
- apple-domain-verification=cxzlqsunucpMZ8dw
- docusign=96d98fe1-0687-4248-b29a-710256cef3f6
- docusign=d5966640-6e54-469d-8217-c564279edd24
- autodesk-domain-verification=qTSF_QOc37RoI6R5pqzE
- ms-domain-verification=e2e85c56-4839-4a80-af0e-3bf9d75a3ce0
- 368129217C151D2241D890300A56CA57BA2C935528496A05C0BCF0966965A6BA
- webexdomainverification.JHLA=6c36f359-9d30-41da-bc2e-5ba7c7a37e12
- FMZv+Qf+aViFAMKzaSguhas/tiJcSONO/AdghJ5q6vZiDRh/Nj9EeA4iyY8vQtQlHL/wpCzQhS8I23UHAEGTuw==
- SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:spf.protection.outlook.com -all
Full email verification for mcdermott.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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