esrdnetworks.org - robtex.com

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`esrdnetworks.org`

DNSSEC	⚠️ Not signed
A	3.171.76.20^{🇺🇸 Amazon}
		PTR	`server-3-171-76-20.iad89.r.cloudfront.net`
A	3.171.76.28^{🇺🇸 Amazon}
A	3.171.76.54^{🇺🇸 Amazon}
A	3.171.76.111^{🇺🇸 Amazon}
NS	`ns-376.awsdns-47.com` ⭐
		A	2600:9000:5301:7800::1^{🇺🇸 Amazon}
			PTR	`ns-376.awsdns-47.com`
		A	205.251.193.120^{🇺🇸 Amazon}
			PTR	`ns-376.awsdns-47.com`
NS	`ns-1134.awsdns-13.org`
		A	2600:9000:5304:6e00::1^{🇺🇸 Amazon}
			PTR	`ns-1134.awsdns-13.org`
		A	205.251.196.110^{🇺🇸 Amazon}
			PTR	`ns-1134.awsdns-13.org`
NS	`ns-1868.awsdns-41.co.uk` ⚠️ Not in zone NS records
		A	2600:9000:5307:4c00::1^{🇺🇸 Amazon}
			PTR	`ns-1868.awsdns-41.co.uk`
		A	205.251.199.76^{🇺🇸 Amazon}
			PTR	`ns-1868.awsdns-41.co.uk`
NS	`ns-911.awsdns-49.net`
		A	2600:9000:5303:8f00::1^{🇺🇸 Amazon}
			PTR	`ns-911.awsdns-49.net`
		A	205.251.195.143^{🇺🇸 Amazon}
			PTR	`ns-911.awsdns-49.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.62.27^{🇺🇸 Google}
			PTR	`bc-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4003:c30::1b^{🇺🇸 Google}
			PTR	`yutulis-in-f27.1e100.net`
		A	74.125.27.26^{🇺🇸 Google}
			PTR	`yutulis-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4001:c70::1a^{🇺🇸 Google}
			PTR	`yucbful-in-f26.1e100.net`
		A	192.178.209.26^{🇺🇸 Google}
			PTR	`yucbful-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4024:c0d::1b^{🇺🇸 Google}
			PTR	`mj-in-f27.1e100.net`
		A	192.178.152.26^{🇺🇸 Google}
			PTR	`mj-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:403::1a^{🇺🇸 Google}
			PTR	`gg-in-f26.1e100.net`
		A	142.250.96.27^{🇺🇸 Google}
			PTR	`gg-in-f27.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`ns-376.awsdns-47.com`awsdns-hostmaster@amazon.com serial=1

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1771291736

Same first word

esrdnetworks.org

DNS History

28 records (13 active, 15 former)

●NSns-1134.awsdns-13.org2026-02-17 → 2026-02-18 · 3 obs

○ 2016-11-20 10:17:04
● 2026-02-17 09:55:40
● 2026-02-18 10:17:08

●NSns-1868.awsdns-41.co.uk2026-02-17 → 2026-02-18 · 3 obs

○ 2016-11-20 10:17:04
● 2026-02-17 09:55:40
● 2026-02-18 10:17:08

●NSns-376.awsdns-47.com2026-02-17 → 2026-02-18 · 3 obs

○ 2016-11-20 10:17:04
● 2026-02-17 09:55:40
● 2026-02-18 10:17:08

●NSns-911.awsdns-49.net2026-02-17 → 2026-02-18 · 3 obs

○ 2016-11-20 10:17:04
● 2026-02-17 09:55:40
● 2026-02-18 10:17:08

○NSns27.domaincontrol.com2015-07-06 → 2016-11-20 · 5 obs

○ 2008-11-22 16:30:14
● 2015-07-06 12:07:34
● 2016-11-20 10:17:04
○ 2026-02-17 09:55:40
○ 2026-02-18 10:17:08

○NSns28.domaincontrol.com2015-07-06 → 2016-11-20 · 5 obs

○ 2008-11-22 16:30:14
● 2015-07-06 12:07:34
● 2016-11-20 10:17:04
○ 2026-02-17 09:55:40
○ 2026-02-18 10:17:08

○NSns43.domaincontrol.com2008-11-22 → 2008-11-22 · 3 obs

● 2008-11-22 16:30:14
○ 2015-07-06 12:07:34
○ 2026-02-18 10:17:08

○NSns44.domaincontrol.com2008-11-22 → 2008-11-22 · 3 obs

● 2008-11-22 16:30:14
○ 2015-07-06 12:07:34
○ 2026-02-18 10:17:08

●MXalt1.aspmx.l.google.com2026-02-17 → 2026-02-18 · 2 obs

● 2026-02-17 09:55:40
● 2026-02-18 10:17:08

●MXalt2.aspmx.l.google.com2026-02-17 → 2026-02-18 · 2 obs

● 2026-02-17 09:55:40
● 2026-02-18 10:17:08

●MXalt3.aspmx.l.google.com2026-02-17 → 2026-02-18 · 2 obs

● 2026-02-17 09:55:40
● 2026-02-18 10:17:08

●MXalt4.aspmx.l.google.com2026-02-17 → 2026-02-18 · 2 obs

● 2026-02-17 09:55:40
● 2026-02-18 10:17:08

●MXaspmx.l.google.com2026-02-17 → 2026-02-18 · 2 obs

● 2026-02-17 09:55:40
● 2026-02-18 10:17:08

○A216.137.53.262026-02-17 → 2026-02-17 · 4 obs

○ 2026-02-17 09:55:40
● 2026-02-17 14:46:04
○ 2026-02-18 10:17:06
○ 2026-02-18 10:17:08

○A216.137.53.722026-02-17 → 2026-02-17 · 4 obs

○ 2026-02-17 09:55:40
● 2026-02-17 14:46:04
○ 2026-02-18 10:17:06
○ 2026-02-18 10:17:08

○A216.137.53.792026-02-17 → 2026-02-17 · 4 obs

○ 2026-02-17 09:55:40
● 2026-02-17 14:46:04
○ 2026-02-18 10:17:06
○ 2026-02-18 10:17:08

○A216.137.53.972026-02-17 → 2026-02-17 · 4 obs

○ 2026-02-17 09:55:40
● 2026-02-17 14:46:04
○ 2026-02-18 10:17:06
○ 2026-02-18 10:17:08

●A3.171.76.1112026-02-18 → 2026-02-18 · 4 obs

○ 2026-02-17 09:55:40
○ 2026-02-17 14:46:04
● 2026-02-18 10:17:06
● 2026-02-18 10:17:08

●A3.171.76.202026-02-18 → 2026-02-18 · 4 obs

○ 2026-02-17 09:55:40
○ 2026-02-17 14:46:04
● 2026-02-18 10:17:06
● 2026-02-18 10:17:08

●A3.171.76.282026-02-18 → 2026-02-18 · 4 obs

○ 2026-02-17 09:55:40
○ 2026-02-17 14:46:04
● 2026-02-18 10:17:06
● 2026-02-18 10:17:08

●A3.171.76.542026-02-18 → 2026-02-18 · 4 obs

○ 2026-02-17 09:55:40
○ 2026-02-17 14:46:04
● 2026-02-18 10:17:06
● 2026-02-18 10:17:08

○A50.56.249.1092015-07-06 → 2016-04-08 · 5 obs

○ 2008-11-22 16:30:14
● 2015-07-06 12:07:34
● 2016-04-08 02:30:18
○ 2016-11-20 10:17:04
○ 2026-02-18 10:17:08

○A54.87.170.742016-11-20 → 2016-11-20 · 4 obs

○ 2016-04-08 02:30:18
● 2016-11-20 10:17:04
○ 2026-02-17 09:55:40
○ 2026-02-18 10:17:08

○A72.249.81.2362008-11-22 → 2008-11-22 · 3 obs

● 2008-11-22 16:30:14
○ 2015-07-06 12:07:34
○ 2026-02-18 10:17:08

○A99.84.41.1042026-02-17 → 2026-02-17 · 4 obs

○ 2016-11-20 10:17:04
● 2026-02-17 09:55:40
○ 2026-02-17 14:46:04
○ 2026-02-18 10:17:08

○A99.84.41.1162026-02-17 → 2026-02-17 · 4 obs

○ 2016-11-20 10:17:04
● 2026-02-17 09:55:40
○ 2026-02-17 14:46:04
○ 2026-02-18 10:17:08

○A99.84.41.612026-02-17 → 2026-02-17 · 4 obs

○ 2016-11-20 10:17:04
● 2026-02-17 09:55:40
○ 2026-02-17 14:46:04
○ 2026-02-18 10:17:08

○A99.84.41.962026-02-17 → 2026-02-17 · 4 obs

○ 2016-11-20 10:17:04
● 2026-02-17 09:55:40
○ 2026-02-17 14:46:04
○ 2026-02-18 10:17:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
esrdnetworks.org	ns-376.awsdns-47.com, ns-1134.awsdns-13.org, ns-1868.awsdns-41.co.uk, ns-911.awsdns-49.net	-

✅ Authoritative Response

Server: 205.251.195.143

NS records: ns-376.awsdns-47.com, ns-1134.awsdns-13.org, ns-1868.awsdns-41.co.uk, ns-911.awsdns-49.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for esrdnetworks.org (unsigned zone)

⏱️ Timing

Total: 178ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.171.76.20, 3.171.76.28...`
NS	3	`ns-1134.awsdns-13.org, ns-376.awsdns-47.com...`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	1	`v=spf1 include:_spf.google.com ~all`
SOA	1	`ns-376.awsdns-47.com awsdns-hostmaster.a`

AI analysis

esrdnetworks.org refers to four IP numbers: 3.171.76.20, 3.171.76.28, 3.171.76.54 and 3.171.76.111.

Other host names, for instance cloud.scoold.com, d3c9uw40nzuvfh.cloudfront.net, mlscupfinals.com, incompass-solutions.com and d9xk7wm0v4s9e.cloudfront.net share IP numbers with esrdnetworks.org.

esrdnetworks.org delegates to four name servers: ns-376.awsdns-47.com, ns-911.awsdns-49.net, ns-1134.awsdns-13.org and ns-1868.awsdns-41.co.uk.

esrdnetworks.org at least partially shares name servers with other domains, including krisdecker.com, yewmarketing.com, upgate-mng.site, d23b32zmhbr2ct.cloudfront.net and mirmaru.com.

These name servers are commonly used with ns-751.awsdns-29.net, ns-1291.awsdns-33.org, ns-1833.awsdns-37.co.uk, ns-782.awsdns-33.net, ns-488.awsdns-61.com and ns-1851.awsdns-39.co.uk.

Host names with two IP numbers: ns-376.awsdns-47.com points to 2600:9000:5301:7800::1 and 205.251.193.120; ns-911.awsdns-49.net points to 2600:9000:5303:8f00::1 and 205.251.195.143; ns-1134.awsdns-13.org points to 2600:9000:5304:6e00::1 and 205.251.196.110; ns-1868.awsdns-41.co.uk points to 2600:9000:5307:4c00::1 and 205.251.199.76.

esrdnetworks.org is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

esrdnetworks.org shares at least some mail servers with other domains, for example ns500724.ns500737.ns500599.ns500599.ns500599.ns500599.ns500599.ns500737.ns500599.ns500737.ns500697.ns500583.ns500583.ns500697.www.yummyflingsfinder.com, ns500698.ns500759.ns500758.ns500698.ns500736.ns500736.ns500735.ns500735.ns500698.ns500698.ns500708.ns500698.ns500698.ns500576.ns500576.ns500619.ns500576.trackreceptor.com, supawaza.com, it-now.ca and frontiersofknowledgeawards-fbbva.es.

These mail servers are often used with aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to: 2607:f8b0:4004:c19::1b and 172.253.62.27.

alt1.aspmx.l.google.com points to: 2607:f8b0:4003:c30::1b and 74.125.27.26.

alt2.aspmx.l.google.com points to: 2607:f8b0:4001:c70::1a and 192.178.209.26.

alt3.aspmx.l.google.com points to: 2607:f8b0:4024:c0d::1b and 192.178.152.26.

alt4.aspmx.l.google.com points to: 2607:f8b0:4023:403::1a and 142.250.96.27.