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Премиум
  • Урок 1. 00:03:01
    DNS is a database
  • Урок 2. 00:02:58
    The DNS is organized as a tree
  • Урок 3. 00:03:22
    Zone delegation
  • Урок 4. 00:03:08
    The root zone
  • Урок 5. 00:00:49
    Authoritative DNS servers
  • Урок 6. 00:04:00
    Zone transfer
  • Урок 7. 00:03:55
    Dig and Nslookup
  • Урок 8. 00:03:44
    Top-level domains
  • Урок 9. 00:01:02
    Second and third-level domains
  • Урок 10. 00:03:07
    Registries, registrars & registrants
  • Урок 11. 00:01:38
    ICANN-s oversight
  • Урок 12. 00:05:18
    WHOIS & RDAP
  • Урок 13. 00:02:15
    International domain names
  • Урок 14. 00:02:58
    The domain name lifecycle
  • Урок 15. 00:03:16
    Domain transfer
  • Урок 16. 00:04:23
    Recursive queries
  • Урок 17. 00:02:01
    Glue records
  • Урок 18. 00:04:17
    DNS caching
  • Урок 19. 00:01:11
    Negative caching
  • Урок 20. 00:08:26
    The DNS protocol
  • Урок 21. 00:04:19
    EDNS
  • Урок 22. 00:04:59
    Transport protocols
  • Урок 23. 00:03:45
    Public DNS resolvers
  • Урок 24. 00:02:11
    DDNS
  • Урок 25. 00:03:19
    Dynamic DNS responses
  • Урок 26. 00:02:16
    An overview of DNS record types
  • Урок 27. 00:04:04
    A and AAAA records
  • Урок 28. 00:08:37
    CNAME records
  • Урок 29. 00:03:22
    TXT records
  • Урок 30. 00:05:23
    SRV records
  • Урок 31. 00:05:17
    PTR records
  • Урок 32. 00:02:18
    DNSSEC-related record types
  • Урок 33. 00:04:35
    An overview of email configuration
  • Урок 34. 00:05:17
    Receiving email Resources and references
  • Урок 35. 00:08:08
    DANE Resources and references
  • Урок 36. 00:06:29
    MTA-STS Resources and references
  • Урок 37. 00:12:14
    SPF Resources and references
  • Урок 38. 00:05:15
    DKIM Resources and references
  • Урок 39. 00:09:20
    DMARC Resources and references
  • Урок 40. 00:02:00
    BIMI Resources and references
  • Урок 41. 00:03:01
    Cache invalidation
  • Урок 42. 00:04:37
    DNSSEC issues
  • Урок 43. 00:02:40
    Graceful DNS changes
  • Урок 44. 00:05:45
    Identifying root causes Resources and references
  • Урок 45. 00:02:55
    Inspecting DNS traffic Resources and references
  • Урок 46. 00:01:55
    Lame delegation Resources and references
  • Урок 47. 00:02:51
    Simulate slow or failing DNS