fb521.com - robtex.com

fb521.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:c05a🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:146c🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.20.108Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.192.90🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSaron.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a45🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaron.ns.cloudflare.com
A2803:f800:50::6ca2:c045🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRaron.ns.cloudflare.com
A2a06:98c1:50::ac40:2045🇺🇸 Cloudflare2a06:98c1:50::/45
PTRaron.ns.cloudflare.com
A108.162.192.69🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaron.ns.cloudflare.com
A172.64.32.69🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaron.ns.cloudflare.com
A173.245.58.69🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaron.ns.cloudflare.com
NSjeremy.ns.cloudflare.com
A2606:4700:58::adf5:3bb4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjeremy.ns.cloudflare.com
A2803:f800:50::6ca2:c1b4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjeremy.ns.cloudflare.com
A2a06:98c1:50::ac40:21b4🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjeremy.ns.cloudflare.com
A108.162.193.180🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjeremy.ns.cloudflare.com
A172.64.33.180🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjeremy.ns.cloudflare.com
A173.245.59.180🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjeremy.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.20.108, 172.67.192.90
IPv62606:4700:3032::ac43:c05a, 2606:4700:3034::6815:146c
SOAaron.ns.cloudflare.comdns@cloudflare.com serial=2395728445

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=1774524222
⚠️ On DNS blocklist: tif

Same first word

fb521.com

Similar names

bf512.com
bf125.com
bf521.com

DNS History

13 records (6 active, 7 former)

2017201820192020202120222023202420252026NSaron.ns.cloudflare.comjeremy.ns.cloudflare.comns7.alidns.comns71.es2u.comns72.es2u.comns8.alidns.comMXmail.fb521.comA104.21.20.108172.67.192.902606:4700:3032::ac43:c05a2606:4700:3034::6815:146c182.239.43.8845.205.114.94
●NSaron.ns.cloudflare.com2026-02-16 → 2026-03-26 · 3 obs
○ 2020-03-18 04:43:26
● 2026-02-16 09:24:52
● 2026-03-26 11:25:30
●NSjeremy.ns.cloudflare.com2026-02-16 → 2026-03-26 · 3 obs
○ 2020-03-18 04:43:26
● 2026-02-16 09:24:52
● 2026-03-26 11:25:30
○NSns7.alidns.com2020-03-18 → 2020-03-18 · 4 obs
○ 2016-12-30 20:04:24
● 2020-03-18 04:43:26
○ 2026-02-16 09:24:52
○ 2026-03-26 11:25:30
○NSns71.es2u.com2016-04-09 → 2016-12-30 · 4 obs
● 2016-04-09 21:38:36
● 2016-12-30 20:04:24
○ 2020-03-18 04:43:26
○ 2026-03-26 11:25:30
○NSns72.es2u.com2016-04-09 → 2016-12-30 · 4 obs
● 2016-04-09 21:38:36
● 2016-12-30 20:04:24
○ 2020-03-18 04:43:26
○ 2026-03-26 11:25:30
○NSns8.alidns.com2020-03-18 → 2020-03-18 · 4 obs
○ 2016-12-30 20:04:24
● 2020-03-18 04:43:26
○ 2026-02-16 09:24:52
○ 2026-03-26 11:25:30
○MXmail.fb521.com2016-04-09 → 2016-12-30 · 4 obs
● 2016-04-09 21:38:36
● 2016-12-30 20:04:24
○ 2020-03-18 04:43:26
○ 2026-03-26 11:25:30
●A104.21.20.1082026-02-16 → 2026-03-26 · 3 obs
○ 2020-03-18 04:43:26
● 2026-02-16 09:24:52
● 2026-03-26 11:25:30
●A172.67.192.902026-02-16 → 2026-03-26 · 3 obs
○ 2020-03-18 04:43:26
● 2026-02-16 09:24:52
● 2026-03-26 11:25:30
○A182.239.43.882016-04-09 → 2016-12-30 · 4 obs
● 2016-04-09 21:38:36
● 2016-12-30 20:04:24
○ 2020-03-18 04:43:26
○ 2026-03-26 11:25:30
●A2606:4700:3032::ac43:c05a2026-02-16 → 2026-03-26 · 3 obs
○ 2020-03-18 04:43:26
● 2026-02-16 09:24:52
● 2026-03-26 11:25:30
●A2606:4700:3034::6815:146c2026-02-16 → 2026-03-26 · 3 obs
○ 2020-03-18 04:43:26
● 2026-02-16 09:24:52
● 2026-03-26 11:25:30
○A45.205.114.942020-03-18 → 2020-03-18 · 4 obs
○ 2016-12-30 20:04:24
● 2020-03-18 04:43:26
○ 2026-02-16 09:24:52
○ 2026-03-26 11:25:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
fb521.comaron.ns.cloudflare.com, jeremy.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.180

NS records: aron.ns.cloudflare.com, jeremy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fb521.com (unsigned zone)

⏱️ Timing

Total: 127ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.192.90, 104.21.20.108
AAAA22606:4700:3032::ac43:c05a, 2606:4700:3034::6815:146c
NS2aron.ns.cloudflare.com, jeremy.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1aron.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (aron.ns.cloudflare.com, aron.ns.cloudflare.com, aron.ns.cloudflare.com...)

Analysis

IP Addresses

fb521.com points to four IP numbers: 2606:4700:3032::ac43:c05a, 2606:4700:3034::6815:146c, 104.21.20.108 and 172.67.192.90.

Other host names, for instance vddnet.org, aucklandjetskihire.co.nz, austinthorn.com, bbggee.com and skirmont.com share IP numbers with fb521.com.

Name Servers

fb521.com is delegated to two name servers: aron.ns.cloudflare.com and jeremy.ns.cloudflare.com.

fb521.com uses the same name server setup as other domains, for instance oconnorbuildingdesign.com, affordableillinoishomes.com, paes.com, offroadunlimited.com and affordablemarylandhomes.com.

fb521.com shares name servers with other domains at least partially, for instance pao.bg, cidadenobre.com, syqpz.com, theamericancareerguide.com and elouisebaartz.com.

these name servers are often used with lex.ns.cloudflare.com, joyce.ns.cloudflare.com and jake.ns.cloudflare.com.

Host names with six IP numbers: aron.ns.cloudflare.com points to 2606:4700:50::adf5:3a45, 2803:f800:50::6ca2:c045, 2a06:98c1:50::ac40:2045, 108.162.192.69, 172.64.32.69 and 173.245.58.69; jeremy.ns.cloudflare.com points to 2606:4700:58::adf5:3bb4, 2803:f800:50::6ca2:c1b4, 2a06:98c1:50::ac40:21b4, 108.162.193.180, 172.64.33.180 and 173.245.59.180.