10521.cfd - robtex.com

10521.cfd

DNSSEC⚠️ Not signed
A3.0.248.194🇸🇬 Amazon3.0.0.0/15 EC2 SIN prefix
PTRec2-3-0-248-194.ap-southeast-1.compute.amazonaws.com
NSjerome.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bb5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjerome.ns.cloudflare.com
A2803:f800:50::6ca2:c1b5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjerome.ns.cloudflare.com
A2a06:98c1:50::ac40:21b5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjerome.ns.cloudflare.com
A108.162.193.181🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjerome.ns.cloudflare.com
A172.64.33.181🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjerome.ns.cloudflare.com
A173.245.59.181🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjerome.ns.cloudflare.com
NSnatasha.ns.cloudflare.com
A2606:4700:50::a29f:2675🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnatasha.ns.cloudflare.com
A2803:f800:50::6ca2:c275🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnatasha.ns.cloudflare.com
A2a06:98c1:50::ac40:2275🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnatasha.ns.cloudflare.com
A108.162.194.117🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnatasha.ns.cloudflare.com
A162.159.38.117Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnatasha.ns.cloudflare.com
A172.64.34.117🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnatasha.ns.cloudflare.com
SOAjerome.ns.cloudflare.comdns@cloudflare.com serial=2405832109

cfd

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.nic.cfd
NSb.nic.cfd
NSc.nic.cfd
NSd.nic.cfd
SOAns0.centralnic.nethostmaster@centralnic.net serial=1785137955
⚠️ On DNS blocklist: pro.plus, tif, ultimate

Subdomains

www.10521.cfd

Same first word

10521.com
10521.cfd
10521.us
10521.cc

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DNS History

3 records (3 active, 0 former)

NSjerome.ns.cloudflare.comnatasha.ns.cloudflare.comA3.0.248.194
●NSjerome.ns.cloudflare.com2026-07-26 → 2026-07-27 · 2 obs
● 2026-07-26 12:57:26
● 2026-07-27 07:41:32
●NSnatasha.ns.cloudflare.com2026-07-26 → 2026-07-27 · 2 obs
● 2026-07-26 12:57:26
● 2026-07-27 07:41:32
●A3.0.248.1942026-07-26 → 2026-07-27 · 2 obs
● 2026-07-26 12:57:26
● 2026-07-27 07:41:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cfda.nic.cfd, b.nic.cfd, c.nic.cfd, d.nic.cfd8 records
10521.cfdjerome.ns.cloudflare.com, natasha.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.181

NS records: jerome.ns.cloudflare.com, natasha.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 10521.cfd (unsigned zone)

⏱️ Timing

Total: 457ms | Queries: -

📄 Records

TypeCountSample Data
A13.0.248.194
NS2jerome.ns.cloudflare.com, natasha.ns.cloudflare.com
SOA1jerome.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a.nic.cfd, a.nic.cfd, b.nic.cfd...)

Analysis

Hierarchy

The domain www.10521.cfd falls under the parent 10521.cfd.

IP Addresses

10521.cfd has exactly one IP address — 3.0.248.194.

78166.cfd, www.05573.cfd, www.30738.cfd plus two other host names have IP numbers in common with 10521.cfd.

Name Servers

10521.cfd has two authoritative name servers — jerome.ns.cloudflare.com and natasha.ns.cloudflare.com.

The name server configuration of 10521.cfd is shared with other domains, for instance 10087.cfd, 89360.cfd, 55213.cfd and two others.

At least some of 10521.cfd's name servers are shared with other domains, for example a81298871.com, incredsoft.com, precisionplumbingpros.com and two more.

Hosts with 6 IP addresses each:

jerome.ns.cloudflare.com points to 108.162.193.181, 172.64.33.181, 173.245.59.181 and 3 other IP addresses.

natasha.ns.cloudflare.com points to 108.162.194.117, 162.159.38.117, 172.64.34.117 and 3 other IP addresses.