`api.engineering.polymerize.io`

DNSSEC	⚠️ Not signed
NS	`ns-773.awsdns-32.net` ⭐
		A	2600:9000:5303:500::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-773.awsdns-32.net`
		A	205.251.195.5^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-773.awsdns-32.net`
NS	`ns-1183.awsdns-19.org`
		A	2600:9000:5304:9f00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1183.awsdns-19.org`
		A	205.251.196.159^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1183.awsdns-19.org`
NS	`ns-139.awsdns-17.com`
		A	2600:9000:5300:8b00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-139.awsdns-17.com`
		A	205.251.192.139^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-139.awsdns-17.com`
NS	`ns-1540.awsdns-00.co.uk`
		A	2600:9000:5306:400::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1540.awsdns-00.co.uk`
		A	205.251.198.4^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1540.awsdns-00.co.uk`
SOA	`ns-773.awsdns-32.net`awsdns-hostmaster@amazon.com serial=1

`engineering.polymerize.io`

	DNSSEC	⚠️ Not signed
	A	151.101.1.195^{🇺🇸 Fastly151.101.0.0/22}
	A	151.101.65.195^{🇺🇸 Fastly151.101.64.0/22}

Same first word

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api.sa

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api.school

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api.com.lb

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api.tr

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DNS History

7 records (4 active, 3 former)

●NSns-1183.awsdns-19.org2026-02-17 → 2026-03-31 · 2 obs

● 2026-02-17 02:17:12
● 2026-03-31 07:02:46

●NSns-139.awsdns-17.com2026-02-17 → 2026-03-31 · 2 obs

● 2026-02-17 02:17:12
● 2026-03-31 07:02:46

●NSns-1540.awsdns-00.co.uk2026-02-17 → 2026-03-31 · 2 obs

● 2026-02-17 02:17:12
● 2026-03-31 07:02:46

●NSns-773.awsdns-32.net2026-02-17 → 2026-03-31 · 2 obs

● 2026-02-17 02:17:12
● 2026-03-31 07:02:46

○A122.248.210.1602026-02-17 → 2026-02-17 · 3 obs

● 2026-02-17 02:17:12
○ 2026-02-19 22:57:06
○ 2026-03-31 07:02:46

○A52.220.81.402026-02-19 → 2026-02-19 · 4 obs

○ 2026-02-17 02:17:12
● 2026-02-19 22:57:06
○ 2026-02-22 20:57:04
○ 2026-03-31 07:02:46

○A54.255.82.1682026-02-17 → 2026-03-31 · 2 obs

○ 2026-02-17 02:17:12
○ 2026-03-31 07:02:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io	-
polymerize.io	ns-cloud-b3.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b4.googledomains.com, ns-cloud-b2.googledomains.com	-
api.engineering.polymerize.io	ns-1540.awsdns-00.co.uk, ns-773.awsdns-32.net, ns-1183.awsdns-19.org, ns-139.awsdns-17.com	-

✅ Authoritative Response

Server:205.251.196.159

NS records: ns-1540.awsdns-00.co.uk, ns-773.awsdns-32.net, ns-1183.awsdns-19.org, ns-139.awsdns-17.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for api.engineering.polymerize.io (unsigned zone)

⏱️ Timing

Total: 905ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1183.awsdns-19.org, ns-139.awsdns-17.com...`
SOA	1	`ns-773.awsdns-32.net awsdns-hostmaster.a`

Analysis

Name Servers

api.engineering.polymerize.io delegates to four name servers: ns-139.awsdns-17.com, ns-773.awsdns-32.net, ns-1183.awsdns-19.org and ns-1540.awsdns-00.co.uk.

api.engineering.polymerize.io at least partially shares name servers with other domains, for instance d28pgvqx4z392n.cloudfront.net, brandchamp.io, ugurdijital.com, vipdidigitalentertainment.tv and d38kuu3r8dbqrm.cloudfront.net.

Host names with two IP numbers: ns-139.awsdns-17.com points to 2600:9000:5300:8b00::1 and 205.251.192.139; ns-773.awsdns-32.net points to 2600:9000:5303:500::1 and 205.251.195.5; ns-1183.awsdns-19.org points to 2600:9000:5304:9f00::1 and 205.251.196.159; ns-1540.awsdns-00.co.uk points to 2600:9000:5306:400::1 and 205.251.198.4.

api.engineering.polymerize.io - robtex.com