www.shdf21.com - robtex.com

www.shdf21.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:50af🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:98a5🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.80.175Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.152.165🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.80.175, 172.67.152.165
IPv6 hints2606:4700:3030::6815:50af, 2606:4700:3033::ac43:98a5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=186, name=cloudflare-ech.com

shdf21.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:50af🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:98a5🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.80.175Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.152.165🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalexia.ns.cloudflare.com ⭐
NSgarret.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.80.175, 172.67.152.165
IPv6 hints2606:4700:3030::6815:50af, 2606:4700:3033::ac43:98a5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=186, name=cloudflare-ech.com
SOAalexia.ns.cloudflare.comdns@cloudflare.com serial=2398451998

Same first word

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DNS History

10 records (4 active, 6 former)

20162017201820192020202120222023202420252026NSshdf21.comA104.21.80.175172.67.152.1652606:4700:3030::6815:50af2606:4700:3033::ac43:98a5103.232.215.133172.106.97.26192.230.92.93222.73.44.96CNAME3uwby.x.incapdns.net
○NSshdf21.com2015-06-06 → 2016-01-21 · 4 obs
● 2015-06-06 15:00:16
● 2016-01-21 11:06:06
○ 2016-11-09 12:48:34
○ 2026-04-15 01:03:10
○A103.232.215.1332016-04-14 → 2016-04-14 · 4 obs
○ 2016-01-21 11:06:06
● 2016-04-14 10:27:52
○ 2016-11-09 12:48:34
○ 2026-04-15 01:03:10
●A104.21.80.1752026-03-01 → 2026-04-15 · 3 obs
○ 2017-06-05 13:22:38
● 2026-03-01 04:52:42
● 2026-04-15 01:03:10
○A172.106.97.262017-06-05 → 2017-06-05 · 4 obs
○ 2016-11-09 12:48:34
● 2017-06-05 13:22:38
○ 2026-03-01 04:52:42
○ 2026-04-15 01:03:10
●A172.67.152.1652026-03-01 → 2026-04-15 · 3 obs
○ 2017-06-05 13:22:38
● 2026-03-01 04:52:42
● 2026-04-15 01:03:10
○A192.230.92.932016-11-09 → 2016-11-09 · 4 obs
○ 2016-04-14 10:27:52
● 2016-11-09 12:48:34
○ 2017-06-05 13:22:38
○ 2026-04-15 01:03:10
○A222.73.44.962015-06-06 → 2016-01-21 · 4 obs
● 2015-06-06 15:00:16
● 2016-01-21 11:06:06
○ 2016-04-14 10:27:52
○ 2026-04-15 01:03:10
●A2606:4700:3030::6815:50af2026-03-01 → 2026-04-15 · 3 obs
○ 2017-06-05 13:22:38
● 2026-03-01 04:52:42
● 2026-04-15 01:03:10
●A2606:4700:3033::ac43:98a52026-03-01 → 2026-04-15 · 3 obs
○ 2017-06-05 13:22:38
● 2026-03-01 04:52:42
● 2026-04-15 01:03:10
○CNAME3uwby.x.incapdns.net2016-11-09 → 2016-11-09 · 3 obs
● 2016-11-09 12:48:34
○ 2017-06-05 13:22:38
○ 2026-04-15 01:03:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net...-
shdf21.comalexia.ns.cloudflare.com, garret.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.246

NS records: alexia.ns.cloudflare.com, garret.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for shdf21.com (unsigned zone)

⏱️ Timing

Total: 318ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.152.165, 104.21.80.175
AAAA22606:4700:3030::6815:50af, 2606:4700:3033::ac43:98a5
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

www.shdf21.com maps to four IP numbers: 2606:4700:3030::6815:50af, 2606:4700:3033::ac43:98a5, 104.21.80.175 and 172.67.152.165.

Other host names, for instance moi-dom72.ru, ace58ace58.com, fbgamer.de, static.xtrade.net and reeltechaustralia.com.au share IP numbers with www.shdf21.com.