smarterbalancedlibrary.com - robtex.com
smarterbalancedlibrary.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | udns1.ultradns.net ⚠️ Not in zone NS records | ||||||
| A | 2001:502:f3ff::d🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | udns1.ultradns.net | ||||||
| A | 204.69.234.1🇺🇸 MAINT-ID-12008204.69.234.0/24 Neustar | ||||||
| PTR | udns1.ultradns.net | ||||||
| NS | udns2.ultradns.net ⚠️ Not in zone NS records | ||||||
| A | 2610:a1:1014::d🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar | ||||||
| PTR | udns2.ultradns.net | ||||||
| A | 204.74.101.1🇺🇸 MAINT-ID-12008204.74.101.0/24 Neustar | ||||||
| PTR | udns2.ultradns.net | ||||||
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=1777062486 | ||||||
Same first word
smarterbalancedlibrary.org |
smarterbalancedlibrary.net |
smarterbalancedlibrary.com |
DNS History
2 records (2 active, 0 former)
●NSudns1.ultradns.net2026-04-08 → 2026-04-24 · 2 obs
● 2026-04-24 20:47:00
●NSudns2.ultradns.net2026-04-08 → 2026-04-24 · 2 obs
● 2026-04-24 20:47:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| smarterbalancedlibrary.com | udns1.ultradns.net, udns2.ultradns.net | - |
✅ Authoritative Response
Server:204.74.101.1
NS records: udns1.ultradns.net, udns2.ultradns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for smarterbalancedlibrary.com (unsigned zone)
⏱️ Timing
Total: 460ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
smarterbalancedlibrary.com is delegated to two name servers: udns1.ultradns.net and udns2.ultradns.net.
smarterbalancedlibrary.com uses the same name server setup as other domains such as revolt.ultradns.us, packers.biz, wakefielddistribution.com, webapper.com and 210.197.132.209.in-addr.arpa.
smarterbalancedlibrary.com shares name servers with other domains at least partially, for example reganisautocenter.net, juniperfederal.net, expediatophotels.com, stealthgeeks.net and nielsen.com.
these name servers are commonly used together with the name servers pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net, pdns4.ultradns.org, pdns6.ultradns.co.uk, pdns3.ultradns.org, ns1.dealer.com and ns2.dealer.com.
Host names with two IP numbers:
udns1.ultradns.net points to 2001:502:f3ff::d and 204.69.234.1; udns2.ultradns.net points to 2610:a1:1014::d and 204.74.101.1.