521dy.com - robtex.com
521dy.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:5892🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:b8c6🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.88.146Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.184.198🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | david.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b98🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | david.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c198🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | david.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2198🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | david.ns.cloudflare.com | ||||||
| A | 108.162.193.152🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | david.ns.cloudflare.com | ||||||
| A | 172.64.33.152🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | david.ns.cloudflare.com | ||||||
| A | 173.245.59.152🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | david.ns.cloudflare.com | ||||||
| NS | thea.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26f7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | thea.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2f7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | thea.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22f7🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | thea.ns.cloudflare.com | ||||||
| A | 108.162.194.247🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | thea.ns.cloudflare.com | ||||||
| A | 162.159.38.247Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | thea.ns.cloudflare.com | ||||||
| A | 172.64.34.247🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | thea.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.88.146, 172.67.184.198 | ||||||
| IPv6 hints | 2606:4700:3030::6815:5892, 2606:4700:3033::ac43:b8c6 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=164, name=cloudflare-ech.com | ||||||
| SOA | david.ns.cloudflare.comdns@cloudflare.com serial=2402845573 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778281336 | ||||||
Same first word
Similar names
DNS History
12 records (6 active, 6 former)
●NSdavid.ns.cloudflare.com2026-04-28 → 2026-05-08 · 3 obs
● 2026-04-28 08:54:04
● 2026-05-08 23:29:46
○NSf1g1ns1.dnspod.net2015-06-21 → 2015-06-21 · 3 obs
○ 2017-01-29 21:24:00
○ 2026-05-08 23:29:46
○NSf1g1ns2.dnspod.net2015-06-21 → 2015-06-21 · 3 obs
○ 2017-01-29 21:24:00
○ 2026-05-08 23:29:46
○NSjuming.dnsdun.com2018-08-18 → 2018-08-18 · 4 obs
● 2018-08-18 12:51:36
○ 2026-03-23 15:35:42
○ 2026-05-08 23:29:46
○NSjuming.dnsdun.net2018-08-18 → 2018-08-18 · 4 obs
● 2018-08-18 12:51:36
○ 2026-03-23 15:35:42
○ 2026-05-08 23:29:46
●NSthea.ns.cloudflare.com2026-04-28 → 2026-05-08 · 3 obs
● 2026-04-28 08:54:04
● 2026-05-08 23:29:46
○A103.41.4.2422015-06-21 → 2015-06-21 · 3 obs
○ 2017-01-29 21:24:00
○ 2026-05-08 23:29:46
○A104.171.235.582018-08-18 → 2018-08-18 · 4 obs
● 2018-08-18 12:51:36
○ 2026-03-23 15:35:42
○ 2026-05-08 23:29:46
●A104.21.88.1462026-04-28 → 2026-05-08 · 3 obs
● 2026-04-28 08:54:04
● 2026-05-08 23:29:46
●A172.67.184.1982026-04-28 → 2026-05-08 · 3 obs
● 2026-04-28 08:54:04
● 2026-05-08 23:29:46
●A2606:4700:3030::6815:58922026-04-28 → 2026-05-08 · 3 obs
● 2026-04-28 08:54:04
● 2026-05-08 23:29:46
●A2606:4700:3033::ac43:b8c62026-04-28 → 2026-05-08 · 3 obs
● 2026-04-28 08:54:04
● 2026-05-08 23:29:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 521dy.com | david.ns.cloudflare.com, thea.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.152
NS records: david.ns.cloudflare.com, thea.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 521dy.com (unsigned zone)
⏱️ Timing
Total: 227ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.88.146, 172.67.184.198 |
| AAAA | 2 | 2606:4700:3033::ac43:b8c6, 2606:4700:3030::6815:5892 |
| NS | 2 | david.ns.cloudflare.com, thea.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | david.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (david.ns.cloudflare.com, david.ns.cloudflare.com, david.ns.cloudflare.com...)
Analysis
IP Addresses
521dy.com resolves to four IPs: 2606:4700:3030::6815:5892, 2606:4700:3033::ac43:b8c6, 104.21.88.146 and 172.67.184.198.
Other host names, for instance arcadeaceworld.com, tkpk1.com, douploads.com, jogroup.eu and www.pyooczrenjzds.website share IP numbers with 521dy.com.
Name Servers
521dy.com has two name servers: david.ns.cloudflare.com and thea.ns.cloudflare.com.
521dy.com shares the same name server setup as other domains, for example koperateur.com, bookofraplayslot.ru, cafehaciendacasablanca.com, myxk.cc and yoprotocol.run.
521dy.com shares some name servers with other domains, for example manoderecha.net, thecompletechiro.com, rockingthecloth.com, tyiz.cn and bydusumdesign.com.
These name servers are often used together with matias.ns.cloudflare.com, ezra.ns.cloudflare.com and arya.ns.cloudflare.com.
Host names with six IP numbers: david.ns.cloudflare.com points to: 2606:4700:58::adf5:3b98, 2803:f800:50::6ca2:c198, 2a06:98c1:50::ac40:2198, 108.162.193.152, 172.64.33.152 and 173.245.59.152; thea.ns.cloudflare.com points to: 2606:4700:50::a29f:26f7, 2803:f800:50::6ca2:c2f7, 2a06:98c1:50::ac40:22f7, 108.162.194.247, 162.159.38.247 and 172.64.34.247.