`diagnostics4u.com`

DNSSEC	⚠️ Not signed
NS	`ns-1064.awsdns-05.org` ⚠️ Not in zone NS records
		A	2600:9000:5304:2800::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1064.awsdns-05.org`
		A	205.251.196.40^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1064.awsdns-05.org`
NS	`ns-1708.awsdns-21.co.uk` ⚠️ Not in zone NS records
		A	2600:9000:5306:ac00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1708.awsdns-21.co.uk`
		A	205.251.198.172^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1708.awsdns-21.co.uk`
NS	`ns-501.awsdns-62.com` ⚠️ Not in zone NS records
		A	2600:9000:5301:f500::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-501.awsdns-62.com`
		A	205.251.193.245^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-501.awsdns-62.com`
NS	`ns-813.awsdns-37.net` ⚠️ Not in zone NS records
		A	2600:9000:5303:2d00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-813.awsdns-37.net`
		A	205.251.195.45^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-813.awsdns-37.net`

`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=1777270641

Same first word

diagnostics4u.com

DNS History

10 records (4 active, 6 former)

●NSns-1064.awsdns-05.org2016-03-26 → 2026-04-27 · 3 obs

○ 2015-12-18 06:10:52
● 2016-03-26 01:31:12
● 2026-04-27 06:30:00

●NSns-1708.awsdns-21.co.uk2016-03-26 → 2026-04-27 · 3 obs

○ 2015-12-18 06:10:52
● 2016-03-26 01:31:12
● 2026-04-27 06:30:00

●NSns-501.awsdns-62.com2016-03-26 → 2026-04-27 · 3 obs

○ 2015-12-18 06:10:52
● 2016-03-26 01:31:12
● 2026-04-27 06:30:00

●NSns-813.awsdns-37.net2016-03-26 → 2026-04-27 · 3 obs

○ 2015-12-18 06:10:52
● 2016-03-26 01:31:12
● 2026-04-27 06:30:00

○NSns.rackspace.com2015-05-25 → 2015-12-18 · 4 obs

● 2015-05-25 04:59:10
● 2015-12-18 06:10:52
○ 2016-03-26 01:31:12
○ 2026-04-27 06:30:00

○NSns2.rackspace.com2015-05-25 → 2015-12-18 · 4 obs

● 2015-05-25 04:59:10
● 2015-12-18 06:10:52
○ 2016-03-26 01:31:12
○ 2026-04-27 06:30:00

○MXdiagnostics4u-com.mail.protection.outlook.com2017-12-08 → 2017-12-08 · 4 obs

○ 2016-09-25 07:04:54
● 2017-12-08 15:53:38
○ 2026-04-09 04:55:22
○ 2026-04-27 06:30:00

○MXmail.diagnostics4u.com2015-05-25 → 2016-09-25 · 4 obs

● 2015-05-25 04:59:10
● 2016-09-25 07:04:54
○ 2017-12-08 15:53:38
○ 2026-04-27 06:30:00

○A52.30.93.1432016-09-25 → 2017-12-08 · 5 obs

○ 2016-03-26 01:31:12
● 2016-09-25 07:04:54
● 2017-12-08 15:53:38
○ 2026-04-09 04:55:22
○ 2026-04-27 06:30:00

○A83.138.184.2242015-05-25 → 2016-03-26 · 4 obs

● 2015-05-25 04:59:10
● 2016-03-26 01:31:12
○ 2016-09-25 07:04:54
○ 2026-04-27 06:30:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net...	-
diagnostics4u.com	ns-501.awsdns-62.com, ns-813.awsdns-37.net, ns-1064.awsdns-05.org, ns-1708.awsdns-21.co.uk	2 records

✅ Authoritative Response

Server:205.251.196.40

NS records: ns-501.awsdns-62.com, ns-813.awsdns-37.net, ns-1064.awsdns-05.org, ns-1708.awsdns-21.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for diagnostics4u.com (unsigned zone)

⏱️ Timing

Total: 331ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-501.awsdns-62.com, ns-501.awsdns-62.com)

Analysis

Name Servers

diagnostics4u.com delegates to four name servers: ns-501.awsdns-62.com, ns-813.awsdns-37.net, ns-1064.awsdns-05.org and ns-1708.awsdns-21.co.uk.

diagnostics4u.com at least partially shares name servers with other domains, including aucfan.org, kift.dev, fontplus.jp, lanxess-virtualdays2023.com and d3g4jqbh5ulyxw.cloudfront.net.

Host names with two IP numbers: ns-501.awsdns-62.com points to 2600:9000:5301:f500::1 and 205.251.193.245; ns-813.awsdns-37.net points to 2600:9000:5303:2d00::1 and 205.251.195.45; ns-1064.awsdns-05.org points to 2600:9000:5304:2800::1 and 205.251.196.40; ns-1708.awsdns-21.co.uk points to 2600:9000:5306:ac00::1 and 205.251.198.172.

diagnostics4u.com - robtex.com