Companies › Merck › DNS records › developer.merck.com
developer.merck.com
Merck · tier critical (developer / API) · 8.1% of the company's traffic weight · scan of 2026-10-17
NS1 (IBM) + OtherDNS (zone merck.com)
AWSEdge
AWS (AS16509)18.238.236.0/22
DNS records
| Status | live |
|---|---|
| CNAME chain | d2w1774trk97pp.cloudfront.net |
| A | 18.238.238.123 18.238.238.89 18.238.238.92 18.238.238.100 |
| AAAA | — |
| Zone | merck.com |
| Zone NS | dns1.p03.nsone.net dns2.p03.nsone.net dns3.p03.nsone.net dns4.p03.nsone.net ns01.msddns.com ns02.msddns.com ns03.msddns.com ns04.msddns.com |
| Origin ASN | AS16509 AWS (AS16509) |
| BGP prefix | 18.238.236.0/22 |
HTTP
| GET / status | 525 |
|---|---|
| /cdn-cgi/trace | not probed |
| cf-ray | a4c0a4427d896808-SEA |
| server | cloudflare |
Why we classified it this way
DNS
- NS1 (IBM) NS1 (IBM) · NS dns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net, dns4.p03.nsone.net (confidence 95%)
- Other · NS ns01.msddns.com → 45.54.26.1 AS63911 NETACTUATE-AS-AP - NetActuate, Inc, US, ns02.msddns.com → 45.54.26.65 AS63911 NETACTUATE-AS-AP - NetActuate, Inc, US, ns03.msddns.com → 45.54.26.129 AS63911 NETACTUATE-AS-AP - NetActuate, Inc, US, ns04.msddns.com → 45.54.26.193 AS63911 NETACTUATE-AS-AP - NetActuate, Inc, US (confidence 70%)
Edge
- AWS AWS CloudFront · CNAME d2w1774trk97pp.cloudfront.net; A 18.238.238.123 in published aws_cloudfront ranges; A 18.238.238.123 in 18.238.236.0/22 originated by AS16509 (confidence 99%)