21606.cfd - robtex.com
21606.cfd
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:cec5🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:42b9🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.66.185Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.206.197🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | emma.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a70🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | emma.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c070🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | emma.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2070🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | emma.ns.cloudflare.com | ||||||
| A | 108.162.192.112🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | emma.ns.cloudflare.com | ||||||
| A | 172.64.32.112🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | emma.ns.cloudflare.com | ||||||
| A | 173.245.58.112🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | emma.ns.cloudflare.com | ||||||
| NS | sage.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2cec🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sage.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3ec🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | sage.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23ec🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | sage.ns.cloudflare.com | ||||||
| A | 108.162.195.236🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sage.ns.cloudflare.com | ||||||
| A | 162.159.44.236Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sage.ns.cloudflare.com | ||||||
| A | 172.64.35.236🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sage.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.66.185, 172.67.206.197 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:cec5, 2606:4700:3036::6815:42b9 | ||||||
| SOA | emma.ns.cloudflare.comdns@cloudflare.com serial=2406736270 | ||||||
cfd
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.nic.cfd | ||||||
| NS | b.nic.cfd | ||||||
| NS | c.nic.cfd | ||||||
| NS | d.nic.cfd | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1785168914 | ||||||
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NSemma.ns.cloudflare.com2026-07-25 → 2026-07-27 · 2 obs
● 2026-07-27 16:19:54
●NSsage.ns.cloudflare.com2026-07-25 → 2026-07-27 · 2 obs
● 2026-07-27 16:19:54
●A104.21.66.1852026-07-27 → 2026-07-27 · 3 obs
● 2026-07-27 16:19:52
● 2026-07-27 16:19:54
●A172.67.206.1972026-07-27 → 2026-07-27 · 3 obs
● 2026-07-27 16:19:52
● 2026-07-27 16:19:54
○A188.114.96.02026-07-25 → 2026-07-25 · 3 obs
○ 2026-07-27 16:19:52
○ 2026-07-27 16:19:54
○A188.114.97.02026-07-25 → 2026-07-25 · 3 obs
○ 2026-07-27 16:19:52
○ 2026-07-27 16:19:54
●A2606:4700:3032::ac43:cec52026-07-27 → 2026-07-27 · 3 obs
● 2026-07-27 16:19:52
● 2026-07-27 16:19:54
●A2606:4700:3036::6815:42b92026-07-27 → 2026-07-27 · 3 obs
● 2026-07-27 16:19:52
● 2026-07-27 16:19:54
○A2a06:98c1:3120::2026-07-25 → 2026-07-25 · 3 obs
○ 2026-07-27 16:19:52
○ 2026-07-27 16:19:54
○A2a06:98c1:3121::2026-07-25 → 2026-07-25 · 3 obs
○ 2026-07-27 16:19:52
○ 2026-07-27 16:19:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cfd | a.nic.cfd, b.nic.cfd, c.nic.cfd, d.nic.cfd | - |
| 21606.cfd | emma.ns.cloudflare.com, sage.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.112
NS records: emma.ns.cloudflare.com, sage.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21606.cfd (unsigned zone)
⏱️ Timing
Total: 224ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.66.185, 172.67.206.197 |
| AAAA | 2 | 2606:4700:3032::ac43:cec5, 2606:4700:3036::6815:42b9 |
| NS | 2 | emma.ns.cloudflare.com, sage.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | emma.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
21606.cfd has four IP addresses: 104.21.66.185, 172.67.206.197, 2606:4700:3032::ac43:cec5 and 2606:4700:3036::6815:42b9.
Two other host names, along with pumpstr.com, ehandwrite.com and www.choulyin.com, also share IP numbers with 21606.cfd.
Name Servers
Two name servers handle the delegation for 21606.cfd: emma.ns.cloudflare.com and sage.ns.cloudflare.com.
21606.cfd shares its NS records with other domains, for example ptbmanager.com, 38136.cfd, 23202.cfd and two others.
21606.cfd has at least partial name server overlap with other domains, such as studioslime.com, freeso.org, esuhui.com and two others.
It is common to find these name servers paired with the name servers macy.ns.cloudflare.com.
DNS names with 6 IP addresses:
emma.ns.cloudflare.com resolves to 108.162.192.112, 172.64.32.112 and 173.245.58.112 among others, with 3 other IP addresses in total.
sage.ns.cloudflare.com resolves to 108.162.195.236, 162.159.44.236 and 172.64.35.236 among others, with 3 other IP addresses in total.