assertra.com - robtex.com
assertra.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1135.awsdns-13.org ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5304:6f00::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1135.awsdns-13.org | ||||||
| A | 205.251.196.111🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1135.awsdns-13.org | ||||||
| NS | ns-2021.awsdns-60.co.uk ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5307:e500::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-2021.awsdns-60.co.uk | ||||||
| A | 205.251.199.229🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-2021.awsdns-60.co.uk | ||||||
| NS | ns-839.awsdns-40.net ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5303:4700::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-839.awsdns-40.net | ||||||
| A | 205.251.195.71🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-839.awsdns-40.net | ||||||
| NS | ns-92.awsdns-11.com ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5300:5c00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-92.awsdns-11.com | ||||||
| A | 205.251.192.92🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-92.awsdns-11.com | ||||||
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=1788122945 | ||||||
Same first word
assertra.com |
Similar names
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●NSns-1135.awsdns-13.org2026-08-19 → 2026-08-30 · 2 obs
● 2026-08-30 21:18:02
●NSns-2021.awsdns-60.co.uk2026-08-19 → 2026-08-30 · 2 obs
● 2026-08-30 21:18:02
●NSns-839.awsdns-40.net2026-08-19 → 2026-08-30 · 2 obs
● 2026-08-30 21:18:02
●NSns-92.awsdns-11.com2026-08-19 → 2026-08-30 · 2 obs
● 2026-08-30 21:18:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net... | - |
| assertra.com | ns-92.awsdns-11.com, ns-839.awsdns-40.net, ns-1135.awsdns-13.org, ns-2021.awsdns-60.co.uk | 2 records |
✅ Authoritative Response
Server:205.251.199.229
NS records: ns-92.awsdns-11.com, ns-839.awsdns-40.net, ns-1135.awsdns-13.org, ns-2021.awsdns-60.co.uk
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
No DNSKEY for assertra.com
⏱️ Timing
Total: 505ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-92.awsdns-11.com, ns-92.awsdns-11.com)
Analysis
Name Servers
The domain assertra.com is delegated to these four name servers: ns-92.awsdns-11.com, ns-839.awsdns-40.net, ns-1135.awsdns-13.org and ns-2021.awsdns-60.co.uk.
At least some of assertra.com's name servers are shared with other domains, for example ttportalnun3.com, sciagnik.net, devhouse.se and two more.
These name servers tend to co-occur with sdns3.ultradns.com, ns-531.awsdns-02.net, sdns3.ultradns.biz and 4 other name servers in the same DNS delegations.
Four hostnames, each resolving to a pair of IP addresses: ns-92.awsdns-11.com directs to 205.251.192.92 and 2600:9000:5300:5c00::1; ns-839.awsdns-40.net directs to 205.251.195.71 and 2600:9000:5303:4700::1; ns-1135.awsdns-13.org directs to 205.251.196.111 and 2600:9000:5304:6f00::1; ns-2021.awsdns-60.co.uk directs to 205.251.199.229 and 2600:9000:5307:e500::1.