relex.com ⚠ SSL Issue
HTTP Status A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
N/A
SSL Expires When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
N/A
Domain Expires When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 362d
Hosting The company and location where this website's server is physically located.Read more →
Verizon Business
Security Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
0/3
IP Address The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
207.24.42.50
Tech Stack Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools.
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No technologies detected
Screenshot 2026-08-20
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Captured: 2026-08-20 03:06:22 · 3.2 KB
DNS Records DNS translates domain names to IP addresses. Records control where the site, email, and services are directed.Read more →
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| A (IPv4) | 207.24.42.50 |
| NS | ns1.reedelsevier.comns2.reedelsevier.comns3.reedelsevier.com |
| TXT | v=spf1 -all |
WHOIS / RDAP Public registration data: who registered the domain, when, and when it expires.Read more →
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| Registrar | MarkMonitor Inc. |
| Registered | 2003-08-17 |
| Expires | 2027-08-17 (in 362 days) |
| Last Updated | 2026-07-16 |
| Status | client delete prohibitedclient transfer prohibitedclient update prohibited |
SSL Certificate Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Invalid / Missing
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| Subject (CN) | N/A |
| Issuer | N/A |
| Valid From | N/A |
| Valid Until | N/A |
HTTP Headers Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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| Status | N/A |
| Server | N/A |
| Content-Type | N/A |
Security headers HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
Hosting Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
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| IP Address | 207.24.42.50 |
| Provider | Verizon Business |
| Organization | Verizon Business |
| ASN | AS701 |
| Country | US |
| City | Lebanon |
Security Score
F (0/7)
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Sitemap & Robots
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| robots.txt | Not found |
| Sitemap | Not found |
Social & Meta Tags
Missing
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Mail Security Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
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| SPF | ✓ Present v=spf1 -all |
| DMARC | ✓ Present v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected] |