`gradadvantage.com`

DNSSEC	⚠️ Not signed
A	3.171.57.11^{🇺🇸 Amazon3.171.56.0/22}
		PTR	`server-3-171-57-11.iad61.r.cloudfront.net`
A	3.171.57.68^{🇺🇸 Amazon3.171.56.0/22}
A	3.171.57.70^{🇺🇸 Amazon3.171.56.0/22}
A	3.171.57.199^{🇺🇸 Amazon3.171.56.0/22}
NS	`ns-2031.awsdns-61.co.uk` ⭐
		A	2600:9000:5307:ef00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-2031.awsdns-61.co.uk`
		A	205.251.199.239^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2031.awsdns-61.co.uk`
NS	`ns-1273.awsdns-31.org`
		A	2600:9000:5304:f900::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1273.awsdns-31.org`
		A	205.251.196.249^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1273.awsdns-31.org`
NS	`ns-206.awsdns-25.com`
		A	2600:9000:5300:ce00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-206.awsdns-25.com`
		A	205.251.192.206^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-206.awsdns-25.com`
NS	`ns-629.awsdns-14.net`
		A	2600:9000:5302:7500::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-629.awsdns-14.net`
		A	205.251.194.117^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-629.awsdns-14.net`
SOA	`ns-2031.awsdns-61.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

DNS History

16 records (8 active, 8 former)

○NSdnssecprd01.nndmz.ad2015-07-20 → 2017-02-20 · 4 obs

● 2015-07-20 21:46:54
● 2017-02-20 08:14:46
○ 2019-03-20 04:23:28
○ 2026-03-19 07:25:30

●NSns-1273.awsdns-31.org2019-03-20 → 2026-03-19 · 3 obs

○ 2017-02-20 08:14:46
● 2019-03-20 04:23:28
● 2026-03-19 07:25:30

●NSns-2031.awsdns-61.co.uk2019-03-20 → 2026-03-19 · 3 obs

○ 2017-02-20 08:14:46
● 2019-03-20 04:23:28
● 2026-03-19 07:25:30

●NSns-206.awsdns-25.com2019-03-20 → 2026-03-19 · 3 obs

○ 2017-02-20 08:14:46
● 2019-03-20 04:23:28
● 2026-03-19 07:25:30

●NSns-629.awsdns-14.net2019-03-20 → 2026-03-19 · 3 obs

○ 2017-02-20 08:14:46
● 2019-03-20 04:23:28
● 2026-03-19 07:25:30

○NSns3.nelnet.net2015-07-20 → 2017-02-20 · 4 obs

● 2015-07-20 21:46:54
● 2017-02-20 08:14:46
○ 2019-03-20 04:23:28
○ 2026-03-19 07:25:30

○NSns5.nelnet.net2015-07-20 → 2017-02-20 · 4 obs

● 2015-07-20 21:46:54
● 2017-02-20 08:14:46
○ 2019-03-20 04:23:28
○ 2026-03-19 07:25:30

○A216.69.99.512015-07-20 → 2017-02-20 · 4 obs

● 2015-07-20 21:46:54
● 2017-02-20 08:14:46
○ 2019-03-20 04:23:28
○ 2026-03-19 07:25:30

●A3.171.57.112026-03-19 → 2026-03-19 · 2 obs

○ 2019-03-20 04:23:28
● 2026-03-19 07:25:30

●A3.171.57.1992026-03-19 → 2026-03-19 · 2 obs

○ 2019-03-20 04:23:28
● 2026-03-19 07:25:30

●A3.171.57.682026-03-19 → 2026-03-19 · 2 obs

○ 2019-03-20 04:23:28
● 2026-03-19 07:25:30

●A3.171.57.702026-03-19 → 2026-03-19 · 2 obs

○ 2019-03-20 04:23:28
● 2026-03-19 07:25:30

○A99.84.13.1222019-03-20 → 2019-03-20 · 3 obs

○ 2017-02-20 08:14:46
● 2019-03-20 04:23:28
○ 2026-03-19 07:25:30

○A99.84.13.152019-03-20 → 2019-03-20 · 3 obs

○ 2017-02-20 08:14:46
● 2019-03-20 04:23:28
○ 2026-03-19 07:25:30

○A99.84.13.842019-03-20 → 2019-03-20 · 3 obs

○ 2017-02-20 08:14:46
● 2019-03-20 04:23:28
○ 2026-03-19 07:25:30

○A99.84.13.962019-03-20 → 2019-03-20 · 3 obs

○ 2017-02-20 08:14:46
● 2019-03-20 04:23:28
○ 2026-03-19 07:25:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
gradadvantage.com	ns-206.awsdns-25.com, ns-629.awsdns-14.net, ns-1273.awsdns-31.org, ns-2031.awsdns-61.co.uk	1 record

✅ Authoritative Response

Server: 205.251.192.206

NS records: ns-206.awsdns-25.com, ns-629.awsdns-14.net, ns-1273.awsdns-31.org, ns-2031.awsdns-61.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gradadvantage.com (unsigned zone)

⏱️ Timing

Total: 303ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.171.57.70, 3.171.57.199...`
NS	4	`ns-1273.awsdns-31.org, ns-2031.awsdns-61.co.uk...`
SOA	1	`ns-2031.awsdns-61.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-206.awsdns-25.com)

Analysis

IP Addresses

gradadvantage.com maps to four IP numbers: 3.171.57.11, 3.171.57.68, 3.171.57.70 and 3.171.57.199.

Other host names, for instance d1ecp22qp5ok8k.cloudfront.net, server-3-171-57-68.iad61.r.cloudfront.net, www.timvanelsloo.com, d2v3mblwyad8wb.cloudfront.net and d1hxz01c7bisnl.cloudfront.net share IP numbers with gradadvantage.com.

Name Servers

gradadvantage.com's delegation is handled by four name servers: ns-206.awsdns-25.com, ns-629.awsdns-14.net, ns-1273.awsdns-31.org and ns-2031.awsdns-61.co.uk.

gradadvantage.com partially shares name servers with other domains; examples include 67.99.3.in-addr.arpa, 153.183.35.in-addr.arpa, 5maps.com, d3ut7gn5xj4nc2.cloudfront.net and parachute.health.

These name servers commonly accompany ns1-24-ca-central-1.ec2-rdns.amazonaws.com, ns2-24-ca-central-1.ec2-rdns.amazonaws.com, ns3-24-ca-central-1.ec2-rdns.amazonaws.com and ns4-24-ca-central-1.ec2-rdns.amazonaws.com.

Host names with two IPs:

ns-206.awsdns-25.com points to 2600:9000:5300:ce00::1 and 205.251.192.206

ns-629.awsdns-14.net points to 2600:9000:5302:7500::1 and 205.251.194.117

ns-1273.awsdns-31.org points to 2600:9000:5304:f900::1 and 205.251.196.249

ns-2031.awsdns-61.co.uk points to 2600:9000:5307:ef00::1 and 205.251.199.239

gradadvantage.com - robtex.com