Rank #5,375Updated November 10, 2026
packtpub.com
packtpub.com is registered with Amazon Registrar, Inc. since May 9, 2003 (23.5 years). The registration expires on May 9, 2027. Its email security grade is C. Its SSL certificate is issued by Let's Encrypt and is valid for 56 more days.
- Domain age
- 23.5 yrs
- Technologies
- —
- Email security
- C
- SSL days left
- 56
Registration
| Registrar | Amazon Registrar, Inc. |
|---|---|
| IANA ID | 468 |
| Registered | May 9, 2003 |
| Expires | May 9, 2027 |
| Updated | May 16, 2026 |
| Status | client transfer prohibited |
| Name servers | eva.ns.cloudflare.com, max.ns.cloudflare.com |
| DNSSEC | Signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 104.18.18.57 | 300 |
| A | 104.18.19.57 | 300 |
| MX | packtpub-com.mail.protection.outlook.com 0 | 300 |
| NS | eva.ns.cloudflare.com | 86400 |
| NS | max.ns.cloudflare.com | 86400 |
| CAA | iodef 0 mailto:[email protected] | 300 |
| CAA | issue 0 amazon.com | 300 |
| CAA | issue 0 amazonaws.com | 300 |
| CAA | issue 0 amazontrust.com | 300 |
| CAA | issue 0 awstrust.com | 300 |
| CAA | issue 0 letsencrypt.org | 300 |
| CAA | issue 0 pki.goog; cansignhttpexchanges=yes | 300 |
| CAA | issuewild 0 amazon.com | 300 |
| CAA | issuewild 0 amazonaws.com | 300 |
| CAA | issuewild 0 amazontrust.com | 300 |
| CAA | issuewild 0 awstrust.com | 300 |
| CAA | issuewild 0 letsencrypt.org | 300 |
| TXT | MS=ms77079791 | 300 |
| TXT | google-gws-recovery-domain-verification=67085002 | 300 |
| TXT | facebook-domain-verification=m4iqhvdyzgnt1rtxtdfzrsypf63gi8 | 300 |
| TXT | google-site-verification=4IqRPigqD2-cUnB7oyC8vW9hJVPD-1CklhbG2CzYcKk | 300 |
| TXT | google-site-verification=EhrsgJ1xswy57ujWukxssZc7LkxKzr_k5GCWDF68sgk | 300 |
| TXT | google-site-verification=aYn6H9fduNTMAWna17iNt1G1VNPxaakxn2Vta5qgok0 | 300 |
| TXT | _globalsign-domain-verification=6RYPIPUO2OQDU0pqaDmaEeWmISV7Tz3QQBCYgOv3br | 300 |
| TXT | _globalsign-domain-verification=HYZk2Fhot5-PhJD3xTIrZBWcnuIiOpkPMyjRmQ2z5L | 300 |
| TXT | _globalsign-domain-verification=Iiihy-iv_vLdlIMtHvh-aCdqO2T53oCoknhW44njXn | 300 |
| TXT | v=spf1 a:zgateway.zuora.com include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com include:sendgrid.net include:amazonses.com -all | 300 |
| AAAA | 2606:4700::6812:1239 | 300 |
| AAAA | 2606:4700::6812:1339 | 300 |
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, YE1, Let's Encrypt |
| Expires | January 5, 2027 |
| Days remaining | 56 |
| Protocol | TLSv1.3 |
| Names | *.dev.packtpub.com, *.packtpub.com, *.prod.packtpub.com, *.sandbox.packtpub.com, *.staging.packtpub.com, packtpub.com |
Email security
CScore 79/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
- warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
- 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], mailto:[email protected].
- goodDKIM keys found (selector: selector1, k1, k2, s1, s2, mandrill).
- good1 MX record(s) found. Mail is handled by Microsoft 365.
About packtpub.com
Who is the registrar of packtpub.com?
packtpub.com is registered with Amazon Registrar, Inc. (IANA ID 468).
When does packtpub.com expire?
The current registration of packtpub.com expires on May 9, 2027. It was first registered on May 9, 2003.
Does packtpub.com protect its email with SPF and DMARC?
packtpub.com scores 79/100 (grade C) for email security. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection. No TLS-RPT record, so you won't hear about failed encrypted deliveries.
What are the name servers of packtpub.com?
packtpub.com uses eva.ns.cloudflare.com, max.ns.cloudflare.com.