headerdx.com - robtex.com
headerdx.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 18.209.211.239🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix | ||||||
| PTR | ec2-18-209-211-239.compute-1.amazonaws.com | ||||||
| NS | ns-1269.awsdns-30.org ⭐ | ||||||
| A | 2600:9000:5304:f500::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1269.awsdns-30.org | ||||||
| A | 205.251.196.245🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1269.awsdns-30.org | ||||||
| NS | ns-1892.awsdns-44.co.uk | ||||||
| A | 2600:9000:5307:6400::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1892.awsdns-44.co.uk | ||||||
| A | 205.251.199.100🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1892.awsdns-44.co.uk | ||||||
| NS | ns-447.awsdns-55.com | ||||||
| A | 2600:9000:5301:bf00::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-447.awsdns-55.com | ||||||
| A | 205.251.193.191🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-447.awsdns-55.com | ||||||
| NS | ns-729.awsdns-27.net | ||||||
| A | 2600:9000:5302:d900::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-729.awsdns-27.net | ||||||
| A | 205.251.194.217🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-729.awsdns-27.net | ||||||
| SOA | ns-1269.awsdns-30.orgawsdns-hostmaster@amazon.com serial=1 | ||||||
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=1785832182 | ||||||
Subdomains
cdn.headerdx.com |
Same first word
headerdx.com |
Similar names
DNS History
8 records (5 active, 3 former)
●NSns-1269.awsdns-30.org2026-05-14 → 2026-08-04 · 3 obs
● 2026-05-14 04:50:16
● 2026-08-04 08:33:46
●NSns-1892.awsdns-44.co.uk2026-05-14 → 2026-08-04 · 3 obs
● 2026-05-14 04:50:16
● 2026-08-04 08:33:46
●NSns-447.awsdns-55.com2026-05-14 → 2026-08-04 · 3 obs
● 2026-05-14 04:50:16
● 2026-08-04 08:33:46
●NSns-729.awsdns-27.net2026-05-14 → 2026-08-04 · 3 obs
● 2026-05-14 04:50:16
● 2026-08-04 08:33:46
○NSns1.softlayer.com2019-12-17 → 2019-12-17 · 3 obs
○ 2026-05-14 04:50:16
○ 2026-08-04 08:33:46
○NSns2.softlayer.com2019-12-17 → 2019-12-17 · 3 obs
○ 2026-05-14 04:50:16
○ 2026-08-04 08:33:46
●A18.209.211.2392026-05-14 → 2026-08-04 · 4 obs
○ 2026-06-29 00:21:48
● 2026-07-04 21:54:26
● 2026-08-04 08:33:46
○A194.126.172.1822026-06-29 → 2026-06-29 · 4 obs
● 2026-06-29 00:21:48
○ 2026-07-04 21:54:26
○ 2026-08-04 08:33:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net... | - |
| headerdx.com | ns-729.awsdns-27.net, ns-447.awsdns-55.com, ns-1269.awsdns-30.org, ns-1892.awsdns-44.co.uk | 2 records |
✅ Authoritative Response
Server:205.251.196.245
NS records: ns-729.awsdns-27.net, ns-447.awsdns-55.com, ns-1269.awsdns-30.org, ns-1892.awsdns-44.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for headerdx.com (unsigned zone)
⏱️ Timing
Total: 197ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 18.209.211.239 |
| NS | 4 | ns-1269.awsdns-30.org, ns-1892.awsdns-44.co.uk... |
| SOA | 1 | ns-1269.awsdns-30.org awsdns-hostmaster. |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-447.awsdns-55.com, ns-447.awsdns-55.com)
Analysis
Hierarchy
cdn.headerdx.com is delegated beneath headerdx.com.
IP Addresses
headerdx.com has exactly one IP address — 18.209.211.239.
psonstrentie.info, squarepaste.net, analytics.0xf10.com plus two other host names have IP numbers in common with headerdx.com.
Name Servers
Four name servers handle the delegation for headerdx.com: ns-447.awsdns-55.com, ns-729.awsdns-27.net, ns-1269.awsdns-30.org and ns-1892.awsdns-44.co.uk.
There is at least partial name server overlap between headerdx.com and other domains — sakana10hatake.com, joymart.co.jp, blossomfilm.co.kr and two more among them.
The name servers ns-80.awsdns-10.com, ns-869.awsdns-44.net and ns-1496.awsdns-59.org are often found in combination with these name servers.
All four hostnames — ns-447.awsdns-55.com, ns-729.awsdns-27.net, ns-1269.awsdns-30.org and ns-1892.awsdns-44.co.uk — resolve to two IP numbers apiece: ns-447.awsdns-55.com to 205.251.193.191 and 2600:9000:5301:bf00::1; ns-729.awsdns-27.net to 205.251.194.217 and 2600:9000:5302:d900::1; ns-1269.awsdns-30.org to 205.251.196.245 and 2600:9000:5304:f500::1; ns-1892.awsdns-44.co.uk to 205.251.199.100 and 2600:9000:5307:6400::1.