`holtec-inform.com`

DNSSEC	⚠️ Not signed
A	54.205.231.203^{🇺🇸 Amazon54.204.0.0/15 EC2 IAD Prefix}
		PTR	`ec2-54-205-231-203.compute-1.amazonaws.com`
NS	`ns-1836.awsdns-37.co.uk` ⭐
		A	2600:9000:5307:2c00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1836.awsdns-37.co.uk`
		A	205.251.199.44^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1836.awsdns-37.co.uk`
NS	`ns-1008.awsdns-62.net`
		A	2600:9000:5303:f000::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-1008.awsdns-62.net`
		A	205.251.195.240^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-1008.awsdns-62.net`
NS	`ns-1251.awsdns-28.org`
		A	2600:9000:5304:e300::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1251.awsdns-28.org`
		A	205.251.196.227^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1251.awsdns-28.org`
NS	`ns-130.awsdns-16.com`
		A	2600:9000:5300:8200::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-130.awsdns-16.com`
		A	205.251.192.130^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-130.awsdns-16.com`
SOA	`ns-1836.awsdns-37.co.uk`awsdns-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.net`nstld@verisign-grs.com serial=1771291435

Same first word

holtec-inform.com

DNS History

10 records (5 active, 5 former)

●NSns-1008.awsdns-62.net2026-03-07 → 2026-03-23 · 3 obs

○ 2019-12-16 23:40:54
● 2026-03-07 23:08:28
● 2026-03-23 07:08:26

○NSns-1195.awsdns-21.org2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 23:40:54
○ 2026-03-07 23:08:28
○ 2026-03-23 07:08:26

●NSns-1251.awsdns-28.org2026-03-07 → 2026-03-23 · 3 obs

○ 2019-12-16 23:40:54
● 2026-03-07 23:08:28
● 2026-03-23 07:08:26

●NSns-130.awsdns-16.com2026-03-07 → 2026-03-23 · 3 obs

○ 2019-12-16 23:40:54
● 2026-03-07 23:08:28
● 2026-03-23 07:08:26

○NSns-145.awsdns-18.com2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 23:40:54
○ 2026-03-07 23:08:28
○ 2026-03-23 07:08:26

○NSns-1737.awsdns-25.co.uk2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 23:40:54
○ 2026-03-07 23:08:28
○ 2026-03-23 07:08:26

●NSns-1836.awsdns-37.co.uk2026-03-07 → 2026-03-23 · 3 obs

○ 2019-12-16 23:40:54
● 2026-03-07 23:08:28
● 2026-03-23 07:08:26

○NSns-952.awsdns-55.net2019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 23:40:54
○ 2026-03-07 23:08:28
○ 2026-03-23 07:08:26

○A52.72.180.52019-12-16 → 2019-12-16 · 3 obs

● 2019-12-16 23:40:54
○ 2026-03-07 23:08:28
○ 2026-03-23 07:08:26

●A54.205.231.2032026-03-07 → 2026-03-23 · 3 obs

○ 2019-12-16 23:40:54
● 2026-03-07 23:08:28
● 2026-03-23 07:08:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
holtec-inform.com	ns-130.awsdns-16.com, ns-1008.awsdns-62.net, ns-1836.awsdns-37.co.uk, ns-1251.awsdns-28.org	1 record

✅ Authoritative Response

Server:205.251.192.130

NS records: ns-130.awsdns-16.com, ns-1008.awsdns-62.net, ns-1836.awsdns-37.co.uk, ns-1251.awsdns-28.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for holtec-inform.com (unsigned zone)

⏱️ Timing

Total: 343ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.205.231.203`
NS	4	`ns-1008.awsdns-62.net, ns-1251.awsdns-28.org...`
SOA	1	`ns-1836.awsdns-37.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-130.awsdns-16.com)

Analysis

IP Addresses

holtec-inform.com points to a single IP number: 54.205.231.203.

Name Servers

holtec-inform.com is delegated to four name servers: ns-130.awsdns-16.com, ns-1008.awsdns-62.net, ns-1251.awsdns-28.org and ns-1836.awsdns-37.co.uk.

holtec-inform.com at least partially shares name servers with other domains, for instance baustrom-backend.poc.ewe-netz.de, decoraconfotos.pe, chiefslive.com, redsky.ca and creativehope.co.jp.

These name servers are commonly used with ns-1446.awsdns-52.org, ns-275.awsdns-34.com and ns-668.awsdns-19.net.

Host names with two IP numbers:

Host name ns-130.awsdns-16.com points to: 2600:9000:5300:8200::1 and 205.251.192.130.

Host name ns-1008.awsdns-62.net points to: 2600:9000:5303:f000::1 and 205.251.195.240.

Host name ns-1251.awsdns-28.org points to: 2600:9000:5304:e300::1 and 205.251.196.227.

Host name ns-1836.awsdns-37.co.uk points to: 2600:9000:5307:2c00::1 and 205.251.199.44.

holtec-inform.com - robtex.com