fbctf.com - robtex.com

fbctf.com

DNSSEC⚠️ Not signed
NSa.ns.facebook.com ⭐
A2a03:2880:f0fc:c:face:b00c:0:35🇺🇸 Facebook2a03:2880:f0fc::/48
PTRa.ns.facebook.com
A129.134.30.12🇺🇸 Facebook129.134.30.0/24 , Inc.
PTRa.ns.facebook.com
NSb.ns.facebook.com
A2a03:2880:f0fd:c:face:b00c:0:35🇺🇸 Facebook2a03:2880:f0fd::/48
PTRb.ns.facebook.com
A129.134.31.12🇺🇸 Facebook129.134.31.0/24 , Inc.
PTRb.ns.facebook.com
NSc.ns.facebook.com
A2a03:2880:f1fc:c:face:b00c:0:35🇺🇸 Facebook2a03:2880:f1fc::/48
PTRc.ns.facebook.com
A185.89.218.12🇮🇱 Facebook185.89.218.0/24
PTRc.ns.facebook.com
NSd.ns.facebook.com
A2a03:2880:f1fd:c:face:b00c:0:35🇺🇸 Facebook2a03:2880:f1fd::/48
PTRd.ns.facebook.com
A185.89.219.12🇮🇱 Facebook185.89.219.0/24
PTRd.ns.facebook.com
TXT7463r4dmx5b88w5tf2fy2lsvwtjvvdr8
TXTv=spf1 -all
SOAa.ns.facebook.comdns@facebook.com serial=4207849484

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774440277

Same first word

fbctf.com

Similar names

tffbc.com
cbftf.com
fcbft.com

DNS History

18 records (4 active, 14 former)

20162017201820192020202120222023202420252026NSa.ns.facebook.comb.ns.facebook.comc.ns.facebook.comd.ns.facebook.comns-1185.awsdns-20.orgns-1365.awsdns-42.orgns-1587.awsdns-06.co.ukns-1896.awsdns-45.co.ukns-233.awsdns-29.comns-462.awsdns-57.comns-544.awsdns-04.netns-566.awsdns-06.netA52.210.125.10552.211.226.3652.27.176.16952.43.65.6354.69.49.8854.70.150.58
●NSa.ns.facebook.com2026-03-12 → 2026-03-25 · 3 obs
○ 2019-08-08 08:13:54
● 2026-03-12 22:33:20
● 2026-03-25 12:29:36
●NSb.ns.facebook.com2026-03-12 → 2026-03-25 · 3 obs
○ 2019-08-08 08:13:54
● 2026-03-12 22:33:20
● 2026-03-25 12:29:36
●NSc.ns.facebook.com2026-03-12 → 2026-03-25 · 3 obs
○ 2019-08-08 08:13:54
● 2026-03-12 22:33:20
● 2026-03-25 12:29:36
●NSd.ns.facebook.com2026-03-12 → 2026-03-25 · 3 obs
○ 2019-08-08 08:13:54
● 2026-03-12 22:33:20
● 2026-03-25 12:29:36
○NSns-1185.awsdns-20.org2015-08-07 → 2017-06-19 · 4 obs
● 2015-08-07 00:53:32
● 2017-06-19 12:29:40
○ 2019-06-01 22:42:26
○ 2026-03-25 12:29:36
○NSns-1365.awsdns-42.org2019-06-01 → 2019-08-08 · 5 obs
○ 2017-06-19 12:29:40
● 2019-06-01 22:42:26
● 2019-08-08 08:13:54
○ 2026-03-12 22:33:20
○ 2026-03-25 12:29:36
○NSns-1587.awsdns-06.co.uk2019-06-01 → 2019-08-08 · 5 obs
○ 2017-06-19 12:29:40
● 2019-06-01 22:42:26
● 2019-08-08 08:13:54
○ 2026-03-12 22:33:20
○ 2026-03-25 12:29:36
○NSns-1896.awsdns-45.co.uk2015-08-07 → 2017-06-19 · 4 obs
● 2015-08-07 00:53:32
● 2017-06-19 12:29:40
○ 2019-06-01 22:42:26
○ 2026-03-25 12:29:36
○NSns-233.awsdns-29.com2019-06-01 → 2019-08-08 · 5 obs
○ 2017-06-19 12:29:40
● 2019-06-01 22:42:26
● 2019-08-08 08:13:54
○ 2026-03-12 22:33:20
○ 2026-03-25 12:29:36
○NSns-462.awsdns-57.com2015-08-07 → 2017-06-19 · 4 obs
● 2015-08-07 00:53:32
● 2017-06-19 12:29:40
○ 2019-06-01 22:42:26
○ 2026-03-25 12:29:36
○NSns-544.awsdns-04.net2019-06-01 → 2019-08-08 · 5 obs
○ 2017-06-19 12:29:40
● 2019-06-01 22:42:26
● 2019-08-08 08:13:54
○ 2026-03-12 22:33:20
○ 2026-03-25 12:29:36
○NSns-566.awsdns-06.net2015-08-07 → 2017-06-19 · 4 obs
● 2015-08-07 00:53:32
● 2017-06-19 12:29:40
○ 2019-06-01 22:42:26
○ 2026-03-25 12:29:36
○A52.210.125.1052016-09-26 → 2016-09-27 · 4 obs
● 2016-09-26 06:05:48
● 2016-09-27 12:43:14
○ 2016-10-16 18:42:10
○ 2026-03-25 12:29:36
○A52.211.226.362016-10-16 → 2017-06-19 · 5 obs
○ 2016-09-27 12:43:14
● 2016-10-16 18:42:10
● 2017-06-19 12:29:40
○ 2019-06-01 22:42:26
○ 2026-03-25 12:29:36
○A52.27.176.1692019-08-08 → 2019-08-08 · 4 obs
○ 2019-06-01 22:42:26
● 2019-08-08 08:13:54
○ 2026-03-12 22:33:20
○ 2026-03-25 12:29:36
○A52.43.65.632019-06-01 → 2019-06-01 · 4 obs
○ 2017-06-19 12:29:40
● 2019-06-01 22:42:26
○ 2019-08-08 08:13:54
○ 2026-03-25 12:29:36
○A54.69.49.882019-08-08 → 2019-08-08 · 4 obs
○ 2019-06-01 22:42:26
● 2019-08-08 08:13:54
○ 2026-03-12 22:33:20
○ 2026-03-25 12:29:36
○A54.70.150.582019-06-01 → 2019-06-01 · 4 obs
○ 2017-06-19 12:29:40
● 2019-06-01 22:42:26
○ 2019-08-08 08:13:54
○ 2026-03-25 12:29:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comc.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net...-
fbctf.coma.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com, d.ns.facebook.com8 records

✅ Authoritative Response

Server:129.134.30.12

NS records: a.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com, d.ns.facebook.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fbctf.com (unsigned zone)

⏱️ Timing

Total: 106ms | Queries: -

📄 Records

TypeCountSample Data
NS4c.ns.facebook.com, b.ns.facebook.com...
TXT27463r4dmx5b88w5tf2fy2lsvwtjvvdr8, v=spf1 -all
SOA1a.ns.facebook.com dns.facebook.com

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (a.ns.facebook.com, a.ns.facebook.com, b.ns.facebook.com...)

Analysis

Name Servers

fbctf.com is delegated to four name servers: a.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com and d.ns.facebook.com.

fbctf.com at least partially shares name servers with other domains such as facebooksupplier.net, istragram.com, parse.ai, fbsapp.com and facebook.cologne.

Host names with two IP numbers:

a.ns.facebook.com points to 2a03:2880:f0fc:c:face:b00c:0:35 and 129.134.30.12

b.ns.facebook.com points to 2a03:2880:f0fd:c:face:b00c:0:35 and 129.134.31.12

c.ns.facebook.com points to 2a03:2880:f1fc:c:face:b00c:0:35 and 185.89.218.12

d.ns.facebook.com points to 2a03:2880:f1fd:c:face:b00c:0:35 and 185.89.219.12