`blockdiag.com`

CNAME	`blockdiag.com.s3-website-ap-northeast-1.amazonaws.com`
CNAME	`s3-website-ap-northeast-1.amazonaws.com`
DNSSEC	⚠️ Not signed
A	3.5.155.47^{🇯🇵 Amazon3.5.155.0/24 EC2 Prefix}
		PTR	`s3-deprecated.ap-northeast-1.amazonaws.com`
A	3.5.155.48^{🇯🇵 Amazon3.5.155.0/24 EC2 Prefix}
A	3.5.155.75^{🇯🇵 Amazon3.5.155.0/24 EC2 Prefix}
A	3.5.155.122^{🇯🇵 Amazon3.5.155.0/24 EC2 Prefix}
A	3.5.155.220^{🇯🇵 Amazon3.5.155.0/24 EC2 Prefix}
A	3.5.159.13^{🇯🇵 Amazon3.5.159.0/24 EC2 Prefix}
A	52.219.136.68^{🇯🇵 Amazon52.219.136.0/24 AWS S3}
A	52.219.151.79^{🇯🇵 Amazon52.219.150.0/23 AWS S3}
NS	`ns-1643.awsdns-13.co.uk` ⭐
		A	2600:9000:5306:6b00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1643.awsdns-13.co.uk`
		A	205.251.198.107^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1643.awsdns-13.co.uk`
NS	`ns-1368.awsdns-43.org`
		A	2600:9000:5305:5800::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1368.awsdns-43.org`
		A	205.251.197.88^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1368.awsdns-43.org`
NS	`ns-502.awsdns-62.com`
		A	2600:9000:5301:f600::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-502.awsdns-62.com`
		A	205.251.193.246^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-502.awsdns-62.com`
NS	`ns-645.awsdns-16.net`
		A	2600:9000:5302:8500::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-645.awsdns-16.net`
		A	205.251.194.133^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-645.awsdns-16.net`
TXT	`cccb97cdbf5a5a534f1738a887237845`
SOA	`ns-1643.awsdns-13.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

rank #975846 globally
rank #448794 in the tld

Same first word

blockdiag.com

DNS History

23 records (5 active, 18 former)

○NSns-1368.awsdns-43.org2015-10-18 → 2017-03-31 · 5 obs

○ 2015-05-09 01:19:26
● 2015-10-18 14:39:58
● 2017-03-31 09:21:32
○ 2026-03-15 14:31:38
○ 2026-03-15 17:44:56

○NSns-1643.awsdns-13.co.uk2015-10-18 → 2017-03-31 · 5 obs

○ 2015-05-09 01:19:26
● 2015-10-18 14:39:58
● 2017-03-31 09:21:32
○ 2026-03-15 14:31:38
○ 2026-03-15 17:44:56

○NSns-502.awsdns-62.com2015-10-18 → 2017-03-31 · 5 obs

○ 2015-05-09 01:19:26
● 2015-10-18 14:39:58
● 2017-03-31 09:21:32
○ 2026-03-15 14:31:38
○ 2026-03-15 17:44:56

○NSns-645.awsdns-16.net2015-10-18 → 2017-03-31 · 5 obs

○ 2015-05-09 01:19:26
● 2015-10-18 14:39:58
● 2017-03-31 09:21:32
○ 2026-03-15 14:31:38
○ 2026-03-15 17:44:56

○NSns.gis.gehirn.jp2015-05-09 → 2017-03-31 · 4 obs

● 2015-05-09 01:19:26
● 2017-03-31 09:21:32
○ 2026-03-15 14:31:38
○ 2026-03-15 17:44:56

●NSns2.gehirndns.com2026-03-15 → 2026-03-15 · 3 obs

○ 2017-03-31 09:21:32
● 2026-03-15 14:31:38
● 2026-03-15 17:44:56

●NSns2.gehirndns.jp2026-03-15 → 2026-03-15 · 3 obs

○ 2017-03-31 09:21:32
● 2026-03-15 14:31:38
● 2026-03-15 17:44:56

●NSns2.gehirndns.net2026-03-15 → 2026-03-15 · 3 obs

○ 2017-03-31 09:21:32
● 2026-03-15 14:31:38
● 2026-03-15 17:44:56

●NSns2.gehirndns.org2026-03-15 → 2026-03-15 · 3 obs

○ 2017-03-31 09:21:32
● 2026-03-15 14:31:38
● 2026-03-15 17:44:56

○A52.219.4.982017-03-31 → 2017-03-31 · 4 obs

○ 2016-04-25 00:39:52
● 2017-03-31 09:21:32
○ 2026-03-15 14:31:38
○ 2026-03-15 17:44:56

○A54.231.224.512015-05-09 → 2015-05-09 · 3 obs

● 2015-05-09 01:19:26
○ 2026-03-15 14:31:38
○ 2026-03-15 17:44:56

○A54.231.224.672015-05-09 → 2015-05-09 · 3 obs

● 2015-05-09 01:19:26
○ 2026-03-15 14:31:38
○ 2026-03-15 17:44:56

○A54.231.225.112015-05-09 → 2015-05-09 · 3 obs

● 2015-05-09 01:19:26
○ 2026-03-15 14:31:38
○ 2026-03-15 17:44:56

○A54.231.225.352015-05-09 → 2015-05-09 · 3 obs

● 2015-05-09 01:19:26
○ 2026-03-15 14:31:38
○ 2026-03-15 17:44:56

○A54.231.226.192015-10-18 → 2015-10-18 · 4 obs

○ 2015-05-09 01:19:26
● 2015-10-18 14:39:58
○ 2016-01-13 22:53:24
○ 2026-03-15 17:44:56

○A54.231.226.512016-01-30 → 2016-01-30 · 4 obs

○ 2016-01-13 22:53:24
● 2016-01-30 03:12:06
○ 2016-04-25 00:39:52
○ 2026-03-15 17:44:56

○A54.231.226.592016-01-13 → 2016-01-13 · 4 obs

○ 2015-10-18 14:39:58
● 2016-01-13 22:53:24
○ 2016-01-30 03:12:06
○ 2026-03-15 17:44:56

○A54.231.228.202015-05-09 → 2015-05-09 · 3 obs

● 2015-05-09 01:19:26
○ 2026-03-15 14:31:38
○ 2026-03-15 17:44:56

○A54.231.229.02015-05-09 → 2015-05-09 · 3 obs

● 2015-05-09 01:19:26
○ 2026-03-15 14:31:38
○ 2026-03-15 17:44:56

○A54.231.230.202016-04-25 → 2016-04-25 · 4 obs

○ 2016-01-30 03:12:06
● 2016-04-25 00:39:52
○ 2017-03-31 09:21:32
○ 2026-03-15 17:44:56

○A54.231.230.42015-05-09 → 2015-05-09 · 3 obs

● 2015-05-09 01:19:26
○ 2026-03-15 14:31:38
○ 2026-03-15 17:44:56

●CNAMEblockdiag.com.s3-website-ap-northeast-1.amazonaws.com2015-05-09 → 2026-03-15 · 2 obs

● 2015-05-09 01:19:26
● 2026-03-15 17:44:56

○CNAMEs3-website-ap-northeast-1.amazonaws.com2015-10-18 → 2017-03-31 · 5 obs

○ 2015-05-09 01:19:26
● 2015-10-18 14:39:58
● 2017-03-31 09:21:32
○ 2026-03-15 14:31:38
○ 2026-03-15 17:44:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
blockdiag.com	ns2.gehirndns.net, ns2.gehirndns.com, ns2.gehirndns.jp, ns2.gehirndns.org	1 record

✅ Authoritative Response

Server: 162.159.25.169

NS records: ns2.gehirndns.net, ns2.gehirndns.com, ns2.gehirndns.jp, ns2.gehirndns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blockdiag.com (unsigned zone)

⏱️ Timing

Total: 1089ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`blockdiag.com.s3-website-ap-northeast-1.`
SOA	1	`ns2.gehirndns.jp hostmaster.gehirn.co.jp`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns2.gehirndns.com)

Analysis

IP Addresses

blockdiag.com resolves to eight IP numbers: 3.5.155.47, 3.5.155.48, 3.5.155.75, 3.5.155.122, 3.5.155.220, 3.5.159.13, 52.219.136.68 and 52.219.151.79.

Other host names such as rainorshinekids.com, ediea.net, english.toys, soeasybuddy.tokyo and kagurazaka.dev share IPs with blockdiag.com.

Name Servers

blockdiag.com is delegated to four name servers: ns-502.awsdns-62.com, ns-645.awsdns-16.net, ns-1368.awsdns-43.org and ns-1643.awsdns-13.co.uk.

blockdiag.com at least partially shares name servers with other domains, for example castlewoodreserve.com, questionthequo.org, zoro.co.uk, marriottspartanburg.com and d33w9bm0n1egwm.cloudfront.net.

These name servers are commonly used with ns-1761.awsdns-28.co.uk and ns-449.awsdns-56.com and ns-1007.awsdns-61.net.

Host names with two IP numbers:

ns-502.awsdns-62.com points to: 2600:9000:5301:f600::1 and 205.251.193.246

ns-645.awsdns-16.net points to: 2600:9000:5302:8500::1 and 205.251.194.133

ns-1368.awsdns-43.org points to: 2600:9000:5305:5800::1 and 205.251.197.88

ns-1643.awsdns-13.co.uk points to: 2600:9000:5306:6b00::1 and 205.251.198.107

blockdiag.com - robtex.com

blockdiag.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`blockdiag.com`

`com`