SOA-record propagation for 'facebook.com'


Authoritative nameserver (primary)

Primary nameserver (SOA)
a.ns.facebook.com
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.

Authoritative nameservers (secondary)

Secondary nameserver
b.ns.facebook.com
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
Secondary nameserver
c.ns.facebook.com
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
Secondary nameserver
d.ns.facebook.com
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.

Global name servers

Google DNS
Mountain View, California, USA
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
Open DNS
San Francisco, California, USA
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
Cloudflare
Los Angeles, California, USA
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
Level 3 Communications Inc
Dallas, Texas, USA
ConnectionTimeout
Quad9
Berkeley, California, USA
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
DynDNS
Manchester, New Hampshire, United States
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
Alibaba
Hangzhou, China
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
Telumasp
Monterrey, Mexico
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
Gcore
Luxembourg
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
UltraDNS
Washington D.C., USA
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.

North America

BlissDNS
Richardson, Texas, USA
ConnectionTimeout
WideOpenWest
Indiana, USA
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
Radiant
Vancouver, Canada
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.

South America

Telefonica Servicios Internet
Lima, Peru
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
America-NET
São Paulo, Brazil
ConnectionTimeout
Granix
Argentina
ConnectionTimeout
Capricorn
Chile
ConnectionTimeout

Europe

British Telecommunications
Ipswich, United Kingdom
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
Freenom World
Netherlands
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
dnsforge.de
Germany
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
IRIDEOS
Milan, Italy
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
AdGuard
Limassol, Cyprus
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
dns0.eu
France
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.

Africa

Global Network Systems
Johannesburg, South Africa
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
Nigerian Communications Satellite Ltd
Nigeria
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
Mansoura University
Egypt
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.

Asia

Yandex
Moscow, Russian Federation
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
TeamCAD
Petah Tikva, Israel
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
Maharashtra gov
Delhi, India
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
hk.net
Hong Kong
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
nifty.com
Tokyo, Japan
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
Milcom Co Ltd
Thailand
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
China Mobile
Beijing, China
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.

Oceania

VOCPhone
Sydney, Australia
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.
Telstra
Melbourne, Australia
SOA
a.ns.facebook.com
Expire: 604800
Serial: 4207849484
Minimum: 300
Refresh: 14400
Retry: 1800
RName: dns.facebook.com.

API

You may perform this lookup using the API and get the results as easy-to-parse JSON data.

Read more on the API at https://iamroot.tech/about/api (regarding authentication and rate limits, among other things), or give it a go right away using the 'try it' button.

 
GET
 https://iamroot.tech/dns-propagation/api/?host=facebook.com&qt=SOA&ns= copy try it
 

Log

004+004
  • Find SOA and NS records of 'facebook.com'
004+000
  • Query the autoritative nameservers for SOA and NS records of 'facebook.com'
077+073
  • Got response from a.ns.facebook.com.
077+000
  • Done
077+000
  • Add SOA server to check
077+000
  • Nameserver responsibile of SOA records added: a.ns.facebook.com
077+000
  • Done
077+000
  • Add NS servers to check
077+000
  • Secondary nameserver added: b.ns.facebook.com
077+000
  • Secondary nameserver added: c.ns.facebook.com
077+000
  • Secondary nameserver added: d.ns.facebook.com
077+000
  • Done
077+000
  • Done
077+000
  • Checking nameservers
102+000
  • Secondary nameserver (c.ns.facebook.com) checked in 8 ms.
119+000
  • Alibaba checked in 26 ms.
124+022
  • Secondary nameserver (d.ns.facebook.com) checked in 22 ms.
150+000
  • Telumasp checked in 55 ms.
150+073
  • Secondary nameserver (b.ns.facebook.com) checked in 57 ms.
153+029
  • Google DNS checked in 28 ms.
157+007
  • Open DNS checked in 6 ms.
181+024
  • Cloudflare checked in 23 ms.
219+100
  • Gcore checked in 99 ms.
240+059
  • Radiant checked in 59 ms.
247+000
  • Mansoura University checked in 152 ms.
310+091
  • UltraDNS checked in 90 ms.
311+000
  • VOCPhone checked in 217 ms.
353+113
  • Telefonica Servicios Internet checked in 112 ms.
412+000
  • Nigerian Communications Satellite Ltd checked in 319 ms.
467+221
  • Yandex checked in 220 ms.
598+286
  • Telstra checked in 286 ms.
625+157
  • TeamCAD checked in 156 ms.
705+107
  • British Telecommunications checked in 107 ms.
774+068
  • Freenom World checked in 67 ms.
776+151
  • nifty.com checked in 150 ms.
894+121
  • dnsforge.de checked in 120 ms.
944+532
  • Maharashtra gov checked in 531 ms.
1,017+123
  • IRIDEOS checked in 122 ms.
1,052+276
  • Milcom Co Ltd checked in 275 ms.
1,137+120
  • AdGuard checked in 119 ms.
1,181+237
  • hk.net checked in 236 ms.
1,279+142
  • dns0.eu checked in 141 ms.
1,292+241
  • China Mobile checked in 240 ms.
1,569+290
  • Global Network Systems checked in 289 ms.
2,115+000
  • Check of Capricorn failed in 2,021ms: ConnectionTimeout
2,115+000
  • Check of Granix failed in 2,022ms: ConnectionTimeout
2,162+2,009
  • Check of Level 3 Communications Inc failed in 2,008ms: ConnectionTimeout
2,162+2,012
  • Check of BlissDNS failed in 2,011ms: ConnectionTimeout
2,170+008
  • Quad9 checked in 7 ms.
2,172+010
  • WideOpenWest checked in 10 ms.
2,254+084
  • DynDNS checked in 83 ms.
2,365+2,011
  • Check of America-NET failed in 2,011ms: ConnectionTimeout
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