stem-practice.com - dns.ninja

`stem-practice.com`

DNSSEC	⚠️ Not signed
A	18.154.227.12^{🇺🇸 Amazon18.154.227.0/24}
		PTR	`server-18-154-227-12.iad55.r.cloudfront.net`
A	18.154.227.45^{🇺🇸 Amazon18.154.227.0/24}
A	18.154.227.102^{🇺🇸 Amazon18.154.227.0/24}
A	18.154.227.118^{🇺🇸 Amazon18.154.227.0/24}
NS	`ns-100.awsdns-12.com` ⭐
		A	2600:9000:5300:6400::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-100.awsdns-12.com`
		A	205.251.192.100^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-100.awsdns-12.com`
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-1891.awsdns-44.co.uk`
		A	2600:9000:5307:6300::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1891.awsdns-44.co.uk`
		A	205.251.199.99^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1891.awsdns-44.co.uk`
NS	`ns-563.awsdns-06.net`
		A	2600:9000:5302:3300::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-563.awsdns-06.net`
		A	205.251.194.51^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-563.awsdns-06.net`
SOA	`ns-100.awsdns-12.com`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=1782061180

Same first word

stem-practice.com

DNS History

88 records (8 active, 80 former)

●NSns-100.awsdns-12.com2026-03-03 → 2026-06-21 · 2 obs

● 2026-03-03 06:15:28
● 2026-06-21 17:23:00

●NSns-1273.awsdns-31.org2026-03-03 → 2026-06-21 · 2 obs

● 2026-03-03 06:15:28
● 2026-06-21 17:23:00

●NSns-1891.awsdns-44.co.uk2026-03-03 → 2026-06-21 · 2 obs

● 2026-03-03 06:15:28
● 2026-06-21 17:23:00

●NSns-563.awsdns-06.net2026-03-03 → 2026-06-21 · 2 obs

● 2026-03-03 06:15:28
● 2026-06-21 17:23:00

○A108.138.103.222026-06-13 → 2026-06-16 · 14 obs

○ 2026-06-12 15:08:04
● 2026-06-13 16:46:28
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● 2026-06-16 03:38:28
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● 2026-06-16 07:37:26
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○ 2026-06-21 17:23:00

○A108.138.103.392026-06-13 → 2026-06-16 · 14 obs

○A108.138.103.452026-06-13 → 2026-06-16 · 14 obs

○A108.138.103.852026-06-13 → 2026-06-16 · 14 obs

○A108.139.166.1022026-03-28 → 2026-06-11 · 19 obs

○ 2026-03-28 02:34:36
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○A108.139.166.42026-03-28 → 2026-06-11 · 19 obs

○A108.139.166.682026-03-28 → 2026-06-11 · 19 obs

○A108.139.166.692026-03-28 → 2026-06-11 · 19 obs

○A108.157.254.232026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-28 07:06:36
● 2026-05-28 20:23:48
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○ 2026-06-21 17:23:00

○A108.157.254.282026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-28 07:06:36
● 2026-05-28 20:23:48
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○ 2026-06-21 17:23:00

○A108.157.254.562026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-28 07:06:36
● 2026-05-28 20:23:48
○ 2026-05-28 21:09:40
○ 2026-06-21 17:23:00

○A108.157.254.662026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-28 07:06:36
● 2026-05-28 20:23:48
○ 2026-05-28 21:09:40
○ 2026-06-21 17:23:00

○A108.158.147.1092026-04-07 → 2026-06-03 · 20 obs

○ 2026-04-01 15:40:52
● 2026-04-07 07:24:30
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○A108.158.147.582026-04-07 → 2026-06-03 · 20 obs

○A108.158.147.642026-04-07 → 2026-06-03 · 20 obs

○A108.158.147.782026-04-07 → 2026-06-03 · 20 obs

○A13.33.129.122026-04-16 → 2026-06-01 · 19 obs

○ 2026-04-12 00:57:20
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○ 2026-06-21 17:23:00

○A13.33.129.1232026-04-16 → 2026-06-01 · 19 obs

○A13.33.129.532026-04-16 → 2026-06-01 · 19 obs

○A13.33.129.872026-04-16 → 2026-06-01 · 19 obs

○A13.33.235.1022026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-22 21:44:54
● 2026-03-26 20:31:12
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○A13.33.235.1172026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-22 21:44:54
● 2026-03-26 20:31:12
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○ 2026-06-21 17:23:00

○A13.33.235.1192026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-22 21:44:54
● 2026-03-26 20:31:12
○ 2026-03-27 01:00:16
○ 2026-06-21 17:23:00

○A13.33.235.312026-03-26 → 2026-03-26 · 4 obs

○ 2026-03-22 21:44:54
● 2026-03-26 20:31:12
○ 2026-03-27 01:00:16
○ 2026-06-21 17:23:00

●A18.154.227.1022026-03-03 → 2026-06-21 · 17 obs

● 2026-03-03 06:15:28
○ 2026-03-03 18:26:54
● 2026-03-04 00:37:50
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● 2026-06-20 21:59:36
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● 2026-06-21 17:23:00

●A18.154.227.1182026-03-03 → 2026-06-21 · 17 obs

●A18.154.227.122026-03-03 → 2026-06-21 · 17 obs

●A18.154.227.452026-03-03 → 2026-06-21 · 17 obs

○A18.161.205.1172026-04-09 → 2026-04-11 · 10 obs

○ 2026-04-07 09:20:52
● 2026-04-09 01:35:02
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● 2026-04-10 20:19:56
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○ 2026-06-21 17:23:00

○A18.161.205.1262026-04-09 → 2026-04-11 · 10 obs

○A18.161.205.572026-04-09 → 2026-04-11 · 10 obs

○A18.161.205.662026-04-09 → 2026-04-11 · 10 obs

○A18.161.21.1292026-04-24 → 2026-05-19 · 20 obs

○ 2026-04-23 12:42:02
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○A18.161.21.472026-04-24 → 2026-05-19 · 20 obs

○A18.161.21.682026-04-24 → 2026-05-19 · 20 obs

○A18.161.21.862026-04-24 → 2026-05-19 · 20 obs

○A18.164.174.1052026-03-03 → 2026-03-20 · 20 obs

○ 2026-03-03 06:15:28
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○A18.164.174.492026-03-03 → 2026-03-20 · 20 obs

○A18.164.174.582026-03-03 → 2026-03-20 · 20 obs

○A18.164.174.732026-03-03 → 2026-03-20 · 20 obs

○A18.239.69.1052026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 01:19:48
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○A18.239.69.152026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 01:19:48
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○A18.239.69.602026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 01:19:48
● 2026-03-22 13:23:10
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○A18.239.69.732026-03-22 → 2026-03-22 · 4 obs

○ 2026-03-22 01:19:48
● 2026-03-22 13:23:10
○ 2026-03-22 21:44:54
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○A18.245.143.222026-03-06 → 2026-06-21 · 20 obs

○ 2026-03-04 00:37:50
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○A18.245.143.252026-03-06 → 2026-06-21 · 20 obs

○A18.245.143.342026-03-06 → 2026-06-21 · 20 obs

○A18.245.143.822026-03-06 → 2026-06-21 · 20 obs

○A18.66.255.1072026-06-18 → 2026-06-18 · 4 obs

○ 2026-06-17 21:41:40
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○A18.66.255.552026-06-18 → 2026-06-18 · 4 obs

○ 2026-06-17 21:41:40
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○A18.66.255.612026-06-18 → 2026-06-18 · 4 obs

○ 2026-06-17 21:41:40
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○A18.66.255.812026-06-18 → 2026-06-18 · 4 obs

○ 2026-06-17 21:41:40
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○A3.164.36.1082026-05-29 → 2026-06-03 · 19 obs

○ 2026-05-29 05:32:54
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○A3.164.36.792026-05-29 → 2026-06-03 · 19 obs

○A3.164.36.952026-05-29 → 2026-06-03 · 19 obs

○A3.164.36.972026-05-29 → 2026-06-03 · 19 obs

○A3.173.182.1082026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-28 21:09:40
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○A3.173.182.322026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-28 21:09:40
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○A3.173.182.582026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-28 21:09:40
● 2026-05-29 03:38:56
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○A3.173.182.612026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-28 21:09:40
● 2026-05-29 03:38:56
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○A3.174.26.1122026-05-16 → 2026-06-06 · 7 obs

○ 2026-05-15 10:41:08
● 2026-05-16 22:47:02
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○A3.174.26.42026-05-16 → 2026-06-06 · 7 obs

○ 2026-05-15 10:41:08
● 2026-05-16 22:47:02
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○A3.174.26.672026-05-16 → 2026-06-06 · 7 obs

○ 2026-05-15 10:41:08
● 2026-05-16 22:47:02
○ 2026-05-16 23:18:32
○ 2026-06-05 18:27:50
● 2026-06-06 23:15:30
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○A3.174.26.772026-05-16 → 2026-06-06 · 7 obs

○ 2026-05-15 10:41:08
● 2026-05-16 22:47:02
○ 2026-05-16 23:18:32
○ 2026-06-05 18:27:50
● 2026-06-06 23:15:30
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○A3.174.29.1152026-04-19 → 2026-04-19 · 4 obs

○ 2026-04-16 23:19:58
● 2026-04-19 05:49:16
○ 2026-04-19 06:26:38
○ 2026-06-21 17:23:00

○A3.174.29.1172026-04-19 → 2026-04-19 · 4 obs

○ 2026-04-16 23:19:58
● 2026-04-19 05:49:16
○ 2026-04-19 06:26:38
○ 2026-06-21 17:23:00

○A3.174.29.592026-04-19 → 2026-04-19 · 4 obs

○ 2026-04-16 23:19:58
● 2026-04-19 05:49:16
○ 2026-04-19 06:26:38
○ 2026-06-21 17:23:00

○A3.174.29.82026-04-19 → 2026-04-19 · 4 obs

○ 2026-04-16 23:19:58
● 2026-04-19 05:49:16
○ 2026-04-19 06:26:38
○ 2026-06-21 17:23:00

○A52.222.177.1012026-04-28 → 2026-04-28 · 6 obs

○ 2026-04-27 16:46:08
● 2026-04-28 02:48:16
○ 2026-04-28 03:38:26
● 2026-04-28 04:18:10
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○A52.222.177.1262026-04-28 → 2026-04-28 · 6 obs

○ 2026-04-27 16:46:08
● 2026-04-28 02:48:16
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● 2026-04-28 04:18:10
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○A52.222.177.172026-04-28 → 2026-04-28 · 6 obs

○ 2026-04-27 16:46:08
● 2026-04-28 02:48:16
○ 2026-04-28 03:38:26
● 2026-04-28 04:18:10
○ 2026-04-28 04:49:02
○ 2026-06-21 17:23:00

○A52.222.177.552026-04-28 → 2026-04-28 · 6 obs

○ 2026-04-27 16:46:08
● 2026-04-28 02:48:16
○ 2026-04-28 03:38:26
● 2026-04-28 04:18:10
○ 2026-04-28 04:49:02
○ 2026-06-21 17:23:00

○A52.84.20.1132026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-06 03:18:34
● 2026-03-06 13:54:42
○ 2026-03-06 20:24:18
○ 2026-06-21 17:23:00

○A52.84.20.1142026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-06 03:18:34
● 2026-03-06 13:54:42
○ 2026-03-06 20:24:18
○ 2026-06-21 17:23:00

○A52.84.20.402026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-06 03:18:34
● 2026-03-06 13:54:42
○ 2026-03-06 20:24:18
○ 2026-06-21 17:23:00

○A52.84.20.672026-03-06 → 2026-03-06 · 4 obs

○ 2026-03-06 03:18:34
● 2026-03-06 13:54:42
○ 2026-03-06 20:24:18
○ 2026-06-21 17:23:00

○A52.85.12.1262026-05-20 → 2026-06-07 · 18 obs

○ 2026-05-20 04:18:10
● 2026-05-20 05:03:22
● 2026-05-20 06:20:36
○ 2026-05-20 10:17:16
● 2026-05-20 12:50:10
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○ 2026-06-08 14:11:08
○ 2026-06-21 17:23:00

○A52.85.12.342026-05-20 → 2026-06-07 · 18 obs

○A52.85.12.702026-05-20 → 2026-06-07 · 18 obs

○A52.85.12.842026-05-20 → 2026-06-07 · 18 obs

○A99.84.237.1052026-03-30 → 2026-06-20 · 20 obs

○ 2026-03-29 20:21:26
● 2026-03-30 09:25:42
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○ 2026-06-20 17:09:06
○ 2026-06-21 17:23:00

○A99.84.237.1082026-03-30 → 2026-06-20 · 20 obs

○A99.84.237.222026-03-30 → 2026-06-20 · 20 obs

○A99.84.237.342026-03-30 → 2026-06-20 · 20 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
stem-practice.com	ns-100.awsdns-12.com, ns-563.awsdns-06.net, ns-1273.awsdns-31.org, ns-1891.awsdns-44.co.uk	2 records

✅ Authoritative Response

Server:205.251.192.100

NS records: ns-100.awsdns-12.com, ns-563.awsdns-06.net, ns-1273.awsdns-31.org, ns-1891.awsdns-44.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stem-practice.com (unsigned zone)

⏱️ Timing

Total: 387ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.154.227.45, 18.154.227.118...`
NS	4	`ns-100.awsdns-12.com, ns-1273.awsdns-31.org...`
SOA	1	`ns-100.awsdns-12.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-100.awsdns-12.com, ns-100.awsdns-12.com)

Analysis

IP Addresses

stem-practice.com resolves to four IP addresses: 18.154.227.12, 18.154.227.45, 18.154.227.102 and 18.154.227.118.

nb-obgyn.com, d2fc83bdk3ryco.cloudfront.net, www.gay-boys.org and two other host names share IP numbers with stem-practice.com.

Name Servers

The authoritative name servers for stem-practice.com are ns-100.awsdns-12.com, ns-563.awsdns-06.net, ns-1273.awsdns-31.org and ns-1891.awsdns-44.co.uk.

stem-practice.com has at least partial name server overlap with other domains, such as dataaxle-usa.org, signup.store, d3089yvtikuv0k.cloudfront.net and two others.

ns-100.awsdns-12.com, ns-563.awsdns-06.net, ns-1273.awsdns-31.org and ns-1891.awsdns-44.co.uk all point to exactly two IP numbers each: ns-100.awsdns-12.com → 205.251.192.100 and 2600:9000:5300:6400::1; ns-563.awsdns-06.net → 205.251.194.51 and 2600:9000:5302:3300::1; ns-1273.awsdns-31.org → 205.251.196.249 and 2600:9000:5304:f900::1; ns-1891.awsdns-44.co.uk → 205.251.199.99 and 2600:9000:5307:6300::1.