worldcat.org
worldcat.org is registered with Network Solutions, LLC since January 21, 1998 (28.8 years). The registration expires on January 20, 2028. Its email security grade is C. Its SSL certificate is issued by Google Trust Services and is valid for 82 more days.
- Domain age
- 28.8 yrs
- Technologies
- —
- Email security
- C
- SSL days left
- 82
Registration
| Registrar | Network Solutions, LLC |
|---|---|
| IANA ID | 2 |
| Registered | January 21, 1998 |
| Expires | January 20, 2028 |
| Updated | August 12, 2026 |
| Status | client transfer prohibited |
| Name servers | michelle.ns.cloudflare.com, nico.ns.cloudflare.com |
| DNSSEC | Signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 104.18.32.188 | 300 |
| A | 172.64.155.68 | 300 |
| NS | nico.ns.cloudflare.com | 86400 |
| NS | michelle.ns.cloudflare.com | 86400 |
| CAA | issue 0 amazonaws.com | 300 |
| CAA | issue 0 comodoca.com | 300 |
| CAA | issue 0 digicert.com; cansignhttpexchanges=yes | 300 |
| CAA | issue 0 letsencrypt.org | 300 |
| CAA | issue 0 pki.goog; cansignhttpexchanges=yes | 300 |
| CAA | issue 0 ssl.com | 300 |
| CAA | issuewild 0 amazon.com | 300 |
| CAA | issuewild 0 amazontrust.com | 300 |
| CAA | issuewild 0 awstrust.com | 300 |
| CAA | issuewild 0 comodoca.com | 300 |
| CAA | issuewild 0 digicert.com; cansignhttpexchanges=yes | 300 |
| CAA | issuewild 0 letsencrypt.org | 300 |
| TXT | _4ug8uuejfm0w2osp4p1au7iu0k76z0d | 30 |
| TXT | _cipqqw054v1ru0uh3vac064on4oegss | 30 |
| TXT | mzhxtc5mtsykyrplh4zrg4z9m35snpvy | 30 |
| TXT | npqd3ygsj1hnj55s1g71lwzkfwhznbn3 | 30 |
| TXT | xpqv1hrsz3q41x16v4jq4zrfkq4hznyn | 30 |
| TXT | facebook-domain-verification=ct6p8jbb66z6nu28qz4817jrz0ed1a | 30 |
| TXT | pinterest-site-verification=a6ef44050561dd412d6caa731124ca70 | 30 |
| TXT | v=spf1 ip4:129.33.239.222 include:oclcspf1.oclc.org include:oclcspf2.oclc.org include:oclcspf3.oclc.org -all | 30 |
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, WR1, Google Trust Services |
| Expires | January 31, 2027 |
| Days remaining | 82 |
| Protocol | TLSv1.3 |
| Names | worldcat.org, *.worldcat.org, link-sandbox.worldcat.org, *.sandbox.worldcat.org, *.account-sandbox.worldcat.org, *.authn-sandbox.worldcat.org, *.on-sandbox.worldcat.org, *.sd00-sandbox.worldcat.org, *.platform-sandbox.worldcat.org, *.share-sandbox.worldcat.org |
Email security
- warnNo DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess.
- warnNo MX records: this domain cannot receive email.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
- goodSPF record found.
- goodSPF ends with -all: servers you have not listed are rejected (hard fail).
- goodDMARC policy is quarantine: failing mail goes to spam. Move to p=reject for full protection.
- goodDMARC aggregate reports are sent to mailto:[email protected].
About worldcat.org
Who is the registrar of worldcat.org?
worldcat.org is registered with Network Solutions, LLC (IANA ID 2).
When does worldcat.org expire?
The current registration of worldcat.org expires on January 20, 2028. It was first registered on January 21, 1998.
Does worldcat.org protect its email with SPF and DMARC?
worldcat.org scores 74/100 (grade C) for email security. No DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess. No MX records: this domain cannot receive email.
What are the name servers of worldcat.org?
worldcat.org uses nico.ns.cloudflare.com, michelle.ns.cloudflare.com.