server21.org - robtex.com
server21.org
| DNSSEC | ⚠️ Not signed | ||||||
| NS | l.ns.arvancdn.ir ⭐ | ||||||
| A | 185.143.232.253🇮🇷 ARVANCLOUD-CDN-IR185.143.232.0/24 | ||||||
| NS | x.ns.arvancdn.ir | ||||||
| A | 185.143.235.253🇮🇷 ARVANCLOUD-CDN-IR185.143.235.0/24 | ||||||
| SOA | l.ns.arvancdn.irhostmaster@arvancloud.ir serial=1772262538 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1774489186 | ||||||
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●NSl.ns.arvancdn.ir2026-03-25 → 2026-03-26 · 2 obs
● 2026-03-25 10:37:14
● 2026-03-26 01:54:42
● 2026-03-26 01:54:42
●NSx.ns.arvancdn.ir2026-03-25 → 2026-03-26 · 2 obs
● 2026-03-25 10:37:14
● 2026-03-26 01:54:42
● 2026-03-26 01:54:42
🔍 DNS Trace
Analysis
Name Servers
server21.org has two name servers: l.ns.arvancdn.ir and x.ns.arvancdn.ir.
server21.org shares the same name server setup as other domains, for example shahryar.me, armanzofa.com, icnst2026.ir, approo.ir and bpi.co.ir.
server21.org shares some name servers with other domains, for example farazmed.com, epoll.ir, basirco.com, famcocorp.com and f72.ir.
these name servers are often used with q.ns.arvancdn.ir, p.ns.arvancdn.ir, b.ns.arvancdn.ir, e.ns.arvancdn.ir, y.ns.arvancdn.ir, h.ns.arvancdn.ir, z.ns.arvancdn.ir, a.ns.arvancdn.ir, u.ns.arvancdn.ir and n.ns.arvancdn.ir.
Host names with a single IP:
l.ns.arvancdn.ir points to 185.143.232.253
x.ns.arvancdn.ir points to 185.143.235.253