by21221.com - robtex.com
by21221.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.49.14.113🇺🇸 FASTNET-AS38.49.8.0/21 | ||||||
| NS | ns1.dyna-ns.net ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:1a5c🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 2400:cb00:2049:1::a29f:1b9e🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.26.92Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.dyna-ns.net | ||||||
| A | 162.159.27.158Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.dyna-ns.net | ||||||
| NS | ns2.dyna-ns.net | ||||||
| A | 2400:cb00:2049:1::a29f:1805🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 2400:cb00:2049:1::a29f:1905🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.24.5Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.dyna-ns.net | ||||||
| A | 162.159.25.5Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.dyna-ns.net | ||||||
| SOA | ns1.dyna-ns.nethostmaster@by21221.com 2026-04-30 #4 | ||||||
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=1785637402 | ||||||
Subdomains
www.by21221.com |
Same first word
by21221.com |
DNS History
3 records (3 active, 0 former)
●NSns1.dyna-ns.net2026-05-27 → 2026-08-02 · 2 obs
● 2026-08-02 02:44:02
●NSns2.dyna-ns.net2026-05-27 → 2026-08-02 · 2 obs
● 2026-08-02 02:44:02
●A38.49.14.1132026-05-27 → 2026-08-02 · 2 obs
● 2026-08-02 02:44:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| by21221.com | ns2.dyna-ns.net, ns1.dyna-ns.net | - |
✅ Authoritative Response
Server:162.159.24.5
NS records: ns2.dyna-ns.net, ns1.dyna-ns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for by21221.com (unsigned zone)
⏱️ Timing
Total: 954ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.49.14.113 |
| NS | 2 | ns2.dyna-ns.net, ns1.dyna-ns.net |
| SOA | 1 | ns1.dyna-ns.net hostmaster.by21221.com |
Analysis
Hierarchy
by21221.com serves as the parent of www.by21221.com.
IP Addresses
by21221.com directs to one IP number, which is 38.49.14.113.
Among the host names that share IP numbers with by21221.com are by66846.com, (0x6a697a7a)(0x6a697a7a)4.com, by3681.com and two others.
Name Servers
by21221.com is served by two delegated name servers, ns1.dyna-ns.net and ns2.dyna-ns.net.
by21221.com has the same name server delegation as a number of other domains, such as seasidedigital.co, mirbanespace.click, remboursement-prime.com and two more.
The hosts ns1.dyna-ns.net and ns2.dyna-ns.net each resolve to four IP numbers: ns1.dyna-ns.net directs to 162.159.26.92, 162.159.27.158, 2400:cb00:2049:1::a29f:1a5c and 2400:cb00:2049:1::a29f:1b9e, and ns2.dyna-ns.net directs to 162.159.24.5, 162.159.25.5, 2400:cb00:2049:1::a29f:1805 and 2400:cb00:2049:1::a29f:1905.