`robertheiderman.com`

DNSSEC	⚠️ Not signed
A	3.167.88.27^{🇺🇸 Amazon3.167.88.0/23}
		PTR	`server-3-167-88-27.iad55.r.cloudfront.net`
A	3.167.88.37^{🇺🇸 Amazon3.167.88.0/23}
A	3.167.88.55^{🇺🇸 Amazon3.167.88.0/23}
A	3.167.88.109^{🇺🇸 Amazon3.167.88.0/23}
NS	`ns-1900.awsdns-45.co.uk` ⭐
		A	2600:9000:5307:6c00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1900.awsdns-45.co.uk`
		A	205.251.199.108^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1900.awsdns-45.co.uk`
NS	`ns-1448.awsdns-53.org`
		A	2600:9000:5305:a800::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1448.awsdns-53.org`
		A	205.251.197.168^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1448.awsdns-53.org`
NS	`ns-24.awsdns-03.com`
		A	2600:9000:5300:1800::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-24.awsdns-03.com`
		A	205.251.192.24^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-24.awsdns-03.com`
NS	`ns-981.awsdns-58.net`
		A	2600:9000:5303:d500::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-981.awsdns-58.net`
		A	205.251.195.213^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-981.awsdns-58.net`
TXT	`v=spf1 -all`
SOA	`ns-1900.awsdns-45.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=1774587847

Same first word

robertheiderman.com

DNS History

23 records (8 active, 15 former)

○NSf1-ib-gridmaster.ho.nmfco.com2015-11-22 → 2015-11-22 · 4 obs

○ 2015-07-23 05:59:22
● 2015-11-22 06:51:14
○ 2016-03-08 01:24:10
○ 2026-03-27 05:15:36

○NSf1-ib-inetns.northwesternmutual.com2015-11-22 → 2015-11-22 · 4 obs

○ 2015-07-23 05:59:22
● 2015-11-22 06:51:14
○ 2016-03-08 01:24:10
○ 2026-03-27 05:15:36

○NSfk1-z6-ib-internet.northwesternmutual.com2016-03-08 → 2019-04-02 · 5 obs

○ 2015-11-22 06:51:14
● 2016-03-08 01:24:10
● 2019-04-02 12:25:16
○ 2026-03-26 00:07:44
○ 2026-03-27 05:15:36

○NSmkn-z3-ib-internet.northwesternmutual.com2016-03-08 → 2019-04-02 · 5 obs

○ 2015-11-22 06:51:14
● 2016-03-08 01:24:10
● 2019-04-02 12:25:16
○ 2026-03-26 00:07:44
○ 2026-03-27 05:15:36

○NSmn-ib-inetns.northwesternmutual.com2015-11-22 → 2015-11-22 · 4 obs

○ 2015-07-23 05:59:22
● 2015-11-22 06:51:14
○ 2016-03-08 01:24:10
○ 2026-03-27 05:15:36

●NSns-1448.awsdns-53.org2026-03-26 → 2026-03-27 · 3 obs

○ 2019-04-02 12:25:16
● 2026-03-26 00:07:44
● 2026-03-27 05:15:36

●NSns-1900.awsdns-45.co.uk2026-03-26 → 2026-03-27 · 3 obs

○ 2019-04-02 12:25:16
● 2026-03-26 00:07:44
● 2026-03-27 05:15:36

●NSns-24.awsdns-03.com2026-03-26 → 2026-03-27 · 3 obs

○ 2019-04-02 12:25:16
● 2026-03-26 00:07:44
● 2026-03-27 05:15:36

●NSns-981.awsdns-58.net2026-03-26 → 2026-03-27 · 3 obs

○ 2019-04-02 12:25:16
● 2026-03-26 00:07:44
● 2026-03-27 05:15:36

○NSns1.northwesternmutual.com2015-07-23 → 2015-07-23 · 3 obs

● 2015-07-23 05:59:22
○ 2015-11-22 06:51:14
○ 2026-03-27 05:15:36

○NSns2.northwesternmutual.com2015-07-23 → 2015-07-23 · 3 obs

● 2015-07-23 05:59:22
○ 2015-11-22 06:51:14
○ 2026-03-27 05:15:36

○NSns3.northwesternmutual.com2015-11-22 → 2019-04-02 · 5 obs

○ 2015-07-23 05:59:22
● 2015-11-22 06:51:14
● 2019-04-02 12:25:16
○ 2026-03-26 00:07:44
○ 2026-03-27 05:15:36

○NSns4.northwesternmutual.com2015-11-22 → 2019-04-02 · 5 obs

○ 2015-07-23 05:59:22
● 2015-11-22 06:51:14
● 2019-04-02 12:25:16
○ 2026-03-26 00:07:44
○ 2026-03-27 05:15:36

○NSnsfdp.ho.nmfco.com2015-07-23 → 2015-07-23 · 3 obs

● 2015-07-23 05:59:22
○ 2015-11-22 06:51:14
○ 2026-03-27 05:15:36

○A199.59.136.2202015-07-23 → 2019-04-02 · 4 obs

● 2015-07-23 05:59:22
● 2019-04-02 12:25:16
○ 2026-03-26 00:07:44
○ 2026-03-27 05:15:36

●A3.167.88.1092026-03-26 → 2026-03-27 · 8 obs

○ 2026-03-26 03:36:12
● 2026-03-26 14:24:42
○ 2026-03-26 15:58:22
● 2026-03-26 16:46:24
○ 2026-03-26 20:36:36
○ 2026-03-26 23:26:04
● 2026-03-27 03:45:02
● 2026-03-27 05:15:36

●A3.167.88.272026-03-26 → 2026-03-27 · 8 obs

○ 2026-03-26 03:36:12
● 2026-03-26 14:24:42
○ 2026-03-26 15:58:22
● 2026-03-26 16:46:24
○ 2026-03-26 20:36:36
○ 2026-03-26 23:26:04
● 2026-03-27 03:45:02
● 2026-03-27 05:15:36

●A3.167.88.372026-03-26 → 2026-03-27 · 8 obs

○ 2026-03-26 03:36:12
● 2026-03-26 14:24:42
○ 2026-03-26 15:58:22
● 2026-03-26 16:46:24
○ 2026-03-26 20:36:36
○ 2026-03-26 23:26:04
● 2026-03-27 03:45:02
● 2026-03-27 05:15:36

●A3.167.88.552026-03-26 → 2026-03-27 · 8 obs

○ 2026-03-26 03:36:12
● 2026-03-26 14:24:42
○ 2026-03-26 15:58:22
● 2026-03-26 16:46:24
○ 2026-03-26 20:36:36
○ 2026-03-26 23:26:04
● 2026-03-27 03:45:02
● 2026-03-27 05:15:36

○A52.85.47.282026-03-26 → 2026-03-26 · 10 obs

○ 2019-04-02 12:25:16
● 2026-03-26 00:07:44
● 2026-03-26 03:36:12
○ 2026-03-26 14:24:42
● 2026-03-26 15:58:22
○ 2026-03-26 16:46:24
● 2026-03-26 20:36:36
● 2026-03-26 23:26:04
○ 2026-03-27 03:45:02
○ 2026-03-27 05:15:36

○A52.85.47.472026-03-26 → 2026-03-26 · 10 obs

○A52.85.47.482026-03-26 → 2026-03-26 · 10 obs

○A52.85.47.72026-03-26 → 2026-03-26 · 10 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
robertheiderman.com	ns-24.awsdns-03.com, ns-981.awsdns-58.net, ns-1900.awsdns-45.co.uk, ns-1448.awsdns-53.org	1 record

✅ Authoritative Response

Server:205.251.192.24

NS records: ns-24.awsdns-03.com, ns-981.awsdns-58.net, ns-1900.awsdns-45.co.uk, ns-1448.awsdns-53.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for robertheiderman.com (unsigned zone)

⏱️ Timing

Total: 2743ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.167.88.109, 3.167.88.37...`
NS	4	`ns-1448.awsdns-53.org, ns-1900.awsdns-45.co.uk...`
TXT	1	`v=spf1 -all`
SOA	1	`ns-1900.awsdns-45.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-24.awsdns-03.com)

Analysis

IP Addresses

robertheiderman.com refers to four IP numbers: 3.167.88.27, 3.167.88.37, 3.167.88.55 and 3.167.88.109.

Other host names, for instance www.brinidesigner.com, proactivespine.com, 23fad86b3f.clvaw-cdnwnd.com, reportingstandard.org and hawiq.club share IP numbers with robertheiderman.com.

Name Servers

robertheiderman.com delegates to four name servers: ns-24.awsdns-03.com, ns-981.awsdns-58.net, ns-1448.awsdns-53.org and ns-1900.awsdns-45.co.uk.

robertheiderman.com at least partially shares name servers with other domains, including d3heuto9edrnit.cloudfront.net, readformyschool.co.uk, briankelly-nm.com, bellasassin.com and investboard.io.

Host names with two IP numbers: ns-24.awsdns-03.com points to 2600:9000:5300:1800::1 and 205.251.192.24; ns-981.awsdns-58.net points to 2600:9000:5303:d500::1 and 205.251.195.213; ns-1448.awsdns-53.org points to 2600:9000:5305:a800::1 and 205.251.197.168; ns-1900.awsdns-45.co.uk points to 2600:9000:5307:6c00::1 and 205.251.199.108.

robertheiderman.com - robtex.com