IP Address Your IP Address is: 3.238.147.211

DNS Lookup DNS Record Lookup Result: facebook.com

Our DNS Lookup FREE Tool fetches nameservers of a given domain name, and then fetches DNS records of each nameserver.


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DNS records include A, AAAA, CAA, CNAME, MX, NS, TXT, and SRV records.

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DNS Record type A

Name Value
host facebook.com
class IN
ttl 299
type A
ip 31.13.70.36

DNS Record type NS

Name Value
host facebook.com
class IN
ttl 21599
type NS
target d.ns.facebook.com

DNS Record type NS

Name Value
host facebook.com
class IN
ttl 21599
type NS
target c.ns.facebook.com

DNS Record type NS

Name Value
host facebook.com
class IN
ttl 21599
type NS
target b.ns.facebook.com

DNS Record type NS

Name Value
host facebook.com
class IN
ttl 21599
type NS
target a.ns.facebook.com

DNS Record type SOA

Name Value
host facebook.com
class IN
ttl 3599
type SOA
mname a.ns.facebook.com
rname dns.facebook.com
serial 1600696285
refresh 14400
retry 1800
expire 604800
minimum-ttl 300

DNS Record type MX

Name Value
host facebook.com
class IN
ttl 3599
type MX
pri 10
target smtpin.vvv.facebook.com

DNS Record type TXT

Name Value
host facebook.com
class IN
ttl 21599
type TXT
txt v=spf1 redirect=_spf.facebook.com
entries
Array
(
    [0] => v=spf1 redirect=_spf.facebook.com
)
                                

DNS Record type TXT

Name Value
host facebook.com
class IN
ttl 3599
type TXT
txt 4fwy7r1k8xh8n7nb9sc2wvcwf9j8g344
entries
Array
(
    [0] => 4fwy7r1k8xh8n7nb9sc2wvcwf9j8g344
)
                                

DNS Record type TXT

Name Value
host facebook.com
class IN
ttl 7199
type TXT
txt google-site-verification=A2WZWCNQHrGV_TWwKh6KHY90tY0SHZo_RnyMJoDaG0s
entries
Array
(
    [0] => google-site-verification=A2WZWCNQHrGV_TWwKh6KHY90tY0SHZo_RnyMJoDaG0s
)
                                

DNS Record type TXT

Name Value
host facebook.com
class IN
ttl 7199
type TXT
txt google-site-verification=wdH5DTJTc9AYNwVunSVFeK0hYDGUIEOGb-RReU6pJlY
entries
Array
(
    [0] => google-site-verification=wdH5DTJTc9AYNwVunSVFeK0hYDGUIEOGb-RReU6pJlY
)
                                

DNS Record type AAAA

Name Value
host facebook.com
class IN
ttl 299
type AAAA
ipv6 2a03:2880:f10d:83:face:b00c::25de

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What is DNS?

The Domain Name System (DNS) is the phonebook of the Internet. When you access information online through domain names, like google.com or facebook.com.
Web browsers interact through Internet Protocol (IP4/IP6) addresses. DNS servers translates domain names to IPv4 or IPv6 addresses so your internet browsers can load Internet resources.
Every online device connected to the Internet has a unique IP4 or IP6 address which allowed other machines use to find this device.
DNS servers eliminate the need for humans to memorize IP addresses such as 192.168.1.1 (in IPv4), or more complex newer alphanumeric IP addresses such as 2a03:2880:f10d:83:face:b00c::25de (in IPv6).

How does DNS Work?

The process of DNS resolution involves converting a hostname (such as www.example.com or example.com) into a computer-friendly IP4/IP6 address (such as 8.8.8.8 or 2a03:2880:f10d:83:face:b00c::25de).
An IPv4/IPv6 address is given to each device on the Internet, and that IPv4/IPv6 address is necessary to find the appropriate Internet device - like a street address is used to find a particular home. When a user is loading a webpage, a translation must occur between what a user types into their web browser (example.com) and the machine-friendly address necessary to locate the example.com's webpage.

DNS Tools

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  • https://dns.google/
  • https://dns.watch/
  • https://dnstools.ws/
  • https://dnschecker.org/
  • https://public-dns.info/
  • https://www.publicdns.xyz/

Public DNS Server List

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DNS Record Types

Commonly used DNS record types

  • A (Host address)
  • AAAA (IPv6 host address)
  • ALIAS (Auto resolved alias)
  • CNAME (Canonical name for an alias)
  • MX (Mail eXchange)
  • NS (Name Server)
  • PTR (Pointer)
  • SOA (Start Of Authority)
  • SRV (location of service)
  • TXT (Descriptive text)

Records types used for DNSSEC

Less commonly used record types

  • AFSDB (AFS Data Base location)
  • ATMA (Asynchronous Transfer Mode address)
  • CAA (Certification Authority Authorization)
  • CERT (Certificate / CRL)
  • DHCID (DHCP Information)
  • DNAME (Non-Terminal DNS Name Redirection)
  • HINFO (Host information)
  • ISDN (ISDN address)
  • LOC (Location information)
  • MB, MG, MINFO, MR (mailbox records)
  • NAPTR (Naming Authority Pointer)
  • NSAP (NSAP address)
  • RP (Responsible person)
  • RT (Route through)
  • TLSA (Transport Layer Security Authentication)
  • X25 (X.25 PSDN address)