redbirdlearning.com - dns.ninja

`redbirdlearning.com`

DNSSEC	⚠️ Not signed
A	52.5.102.5^{🇺🇸 Amazon52.4.0.0/14 EC2 IAD prefix}
		PTR	`ec2-52-5-102-5.compute-1.amazonaws.com`
A	54.204.211.171^{🇺🇸 Amazon54.204.0.0/15 EC2 IAD Prefix}
A	75.101.172.77^{🇺🇸 Amazon75.101.128.0/17 Execution Services}
NS	`ns-1627.awsdns-11.co.uk` ⭐
		A	2600:9000:5306:5b00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1627.awsdns-11.co.uk`
		A	205.251.198.91^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1627.awsdns-11.co.uk`
NS	`ns-1331.awsdns-38.org`
		A	2600:9000:5305:3300::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1331.awsdns-38.org`
		A	205.251.197.51^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1331.awsdns-38.org`
NS	`ns-476.awsdns-59.com`
		A	2600:9000:5301:dc00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-476.awsdns-59.com`
		A	205.251.193.220^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-476.awsdns-59.com`
NS	`ns-749.awsdns-29.net`
		A	2600:9000:5302:ed00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-749.awsdns-29.net`
		A	205.251.194.237^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-749.awsdns-29.net`
MX	`mxa-00363701.gslb.pphosted.com` ⭐
		A	67.231.157.28^{🇺🇸 Proofpoint67.231.157.0/24 Inc.}
			PTR	`mx0b-00363701.pphosted.com`
MX	`mxb-00363701.gslb.pphosted.com` ⭐
		A	67.231.157.28^{🇺🇸 Proofpoint67.231.157.0/24 Inc.}
			PTR	`mx0b-00363701.pphosted.com`
TXT	`MS=ms44249041`
TXT	`v=spf1 include:spf.protection.outlook.com include:amazonses.com -all`
TXT	`z4t5vfh0gcjyv4vfsww45r035z1166pv`
SOA	`ns-1627.awsdns-11.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=1786566009

Subdomains

laurieport.redbirdlearning.com

quill.redbirdlearning.com

api.redbirdlearning.com

rlc.redbirdlearning.com

Same first word

redbirdlearning.com

redbirdlearning.us

redbirdlearning.tv

redbirdlearning.co

DNS History

33 records (9 active, 24 former)

●NSns-1331.awsdns-38.org2015-08-05 → 2026-08-12 · 2 obs

● 2015-08-05 10:38:58
● 2026-08-12 20:44:24

●NSns-1627.awsdns-11.co.uk2015-08-05 → 2026-08-12 · 2 obs

● 2015-08-05 10:38:58
● 2026-08-12 20:44:24

●NSns-476.awsdns-59.com2015-08-05 → 2026-08-12 · 2 obs

● 2015-08-05 10:38:58
● 2026-08-12 20:44:24

●NSns-749.awsdns-29.net2015-08-05 → 2026-08-12 · 2 obs

● 2015-08-05 10:38:58
● 2026-08-12 20:44:24

●MXmxa-00363701.gslb.pphosted.com2026-02-16 → 2026-08-12 · 3 obs

○ 2020-01-03 04:35:52
● 2026-02-16 09:28:40
● 2026-08-12 20:44:24

●MXmxb-00363701.gslb.pphosted.com2026-02-16 → 2026-08-12 · 3 obs

○ 2020-01-03 04:35:52
● 2026-02-16 09:28:40
● 2026-08-12 20:44:24

○MXredbirdlearning-com.mail.protection.outlook.com2015-08-05 → 2020-01-03 · 4 obs

● 2015-08-05 10:38:58
● 2020-01-03 04:35:52
○ 2026-02-16 09:28:40
○ 2026-08-12 20:44:24

○A100.27.175.492026-06-02 → 2026-06-02 · 4 obs

○ 2026-05-10 22:24:52
● 2026-06-02 21:44:56
○ 2026-07-03 03:16:00
○ 2026-08-12 20:44:24

○A100.50.130.1352026-04-07 → 2026-04-07 · 4 obs

○ 2026-02-16 09:28:40
● 2026-04-07 17:57:52
○ 2026-05-04 16:38:50
○ 2026-08-12 20:44:24

○A107.20.230.1862026-05-04 → 2026-05-04 · 4 obs

○ 2026-04-07 17:57:52
● 2026-05-04 16:38:50
○ 2026-05-10 22:24:52
○ 2026-08-12 20:44:24

○A18.204.60.1382026-07-03 → 2026-07-03 · 4 obs

○ 2026-06-02 21:44:56
● 2026-07-03 03:16:00
○ 2026-07-09 03:18:50
○ 2026-08-12 20:44:24

○A18.208.34.1902026-02-16 → 2026-02-16 · 4 obs

○ 2020-01-03 04:35:52
● 2026-02-16 09:28:40
○ 2026-04-07 17:57:52
○ 2026-08-12 20:44:24

○A23.20.192.2402026-05-04 → 2026-05-10 · 5 obs

○ 2026-04-07 17:57:52
● 2026-05-04 16:38:50
● 2026-05-10 22:24:52
○ 2026-06-02 21:44:56
○ 2026-08-12 20:44:24

○A23.22.147.672026-02-16 → 2026-08-12 · 2 obs

○ 2026-02-16 09:28:40
○ 2026-08-12 20:44:24

○A32.195.254.112026-05-10 → 2026-05-10 · 4 obs

○ 2026-05-04 16:38:50
● 2026-05-10 22:24:52
○ 2026-06-02 21:44:56
○ 2026-08-12 20:44:24

○A34.195.27.1172026-05-04 → 2026-05-04 · 4 obs

○ 2026-04-07 17:57:52
● 2026-05-04 16:38:50
○ 2026-05-10 22:24:52
○ 2026-08-12 20:44:24

○A34.227.182.1162026-06-02 → 2026-06-02 · 4 obs

○ 2026-05-10 22:24:52
● 2026-06-02 21:44:56
○ 2026-07-03 03:16:00
○ 2026-08-12 20:44:24

○A34.233.181.702026-06-02 → 2026-06-02 · 4 obs

○ 2026-05-10 22:24:52
● 2026-06-02 21:44:56
○ 2026-07-03 03:16:00
○ 2026-08-12 20:44:24

○A35.153.65.1682026-07-09 → 2026-07-09 · 4 obs

○ 2026-07-03 03:16:00
● 2026-07-09 03:18:50
○ 2026-08-12 20:44:22
○ 2026-08-12 20:44:24

○A44.213.213.2042026-02-16 → 2026-02-16 · 4 obs

○ 2020-01-03 04:35:52
● 2026-02-16 09:28:40
○ 2026-04-07 17:57:52
○ 2026-08-12 20:44:24

○A52.205.52.1942026-07-03 → 2026-07-03 · 4 obs

○ 2026-06-02 21:44:56
● 2026-07-03 03:16:00
○ 2026-08-12 20:44:22
○ 2026-08-12 20:44:24

○A52.35.47.2222016-01-28 → 2017-03-02 · 5 obs

○ 2015-12-08 12:25:26
● 2016-01-28 21:47:14
● 2017-03-02 18:53:28
○ 2020-01-03 04:35:52
○ 2026-08-12 20:44:24

○A52.43.73.2492020-01-03 → 2020-01-03 · 4 obs

○ 2017-03-02 18:53:28
● 2020-01-03 04:35:52
○ 2026-02-16 09:28:40
○ 2026-08-12 20:44:24

●A52.5.102.52026-08-12 → 2026-08-12 · 3 obs

○ 2026-07-09 03:18:50
● 2026-08-12 20:44:22
● 2026-08-12 20:44:24

○A52.73.1.372026-04-07 → 2026-04-07 · 4 obs

○ 2026-02-16 09:28:40
● 2026-04-07 17:57:52
○ 2026-05-04 16:38:50
○ 2026-08-12 20:44:24

●A54.204.211.1712026-08-12 → 2026-08-12 · 3 obs

○ 2026-07-09 03:18:50
● 2026-08-12 20:44:22
● 2026-08-12 20:44:24

○A54.235.195.2182026-04-07 → 2026-04-07 · 4 obs

○ 2026-02-16 09:28:40
● 2026-04-07 17:57:52
○ 2026-05-04 16:38:50
○ 2026-08-12 20:44:24

○A54.86.18.1182015-08-05 → 2015-12-08 · 4 obs

● 2015-08-05 10:38:58
● 2015-12-08 12:25:26
○ 2016-01-28 21:47:14
○ 2026-08-12 20:44:24

●A75.101.172.772026-08-12 → 2026-08-12 · 3 obs

○ 2026-07-09 03:18:50
● 2026-08-12 20:44:22
● 2026-08-12 20:44:24

○A98.83.125.772026-02-16 → 2026-08-12 · 2 obs

○ 2026-02-16 09:28:40
○ 2026-08-12 20:44:24

○A98.88.69.2012026-07-03 → 2026-07-03 · 4 obs

○ 2026-06-02 21:44:56
● 2026-07-03 03:16:00
○ 2026-08-12 20:44:22
○ 2026-08-12 20:44:24

○A98.90.5.1082026-02-16 → 2026-02-16 · 4 obs

○ 2020-01-03 04:35:52
● 2026-02-16 09:28:40
○ 2026-04-07 17:57:52
○ 2026-08-12 20:44:24

○A98.95.142.1402026-05-10 → 2026-05-10 · 4 obs

○ 2026-05-04 16:38:50
● 2026-05-10 22:24:52
○ 2026-06-02 21:44:56
○ 2026-08-12 20:44:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
redbirdlearning.com	ns-749.awsdns-29.net, ns-476.awsdns-59.com, ns-1627.awsdns-11.co.uk, ns-1331.awsdns-38.org	2 records

✅ Authoritative Response

Server:205.251.198.91

NS records: ns-749.awsdns-29.net, ns-476.awsdns-59.com, ns-1627.awsdns-11.co.uk, ns-1331.awsdns-38.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for redbirdlearning.com (unsigned zone)

⏱️ Timing

Total: 419ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`75.101.172.77, 52.5.102.5...`
NS	4	`ns-1331.awsdns-38.org, ns-1627.awsdns-11.co.uk...`
MX	2	`mxa-00363701.gslb.pphosted.com (pri: 10), mxb-00363701.gslb.pphosted.com (pri: 10)`
TXT	3	`MS=ms44249041, v=spf1 include:spf.protection.outlook.co...`
SOA	1	`ns-1627.awsdns-11.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-476.awsdns-59.com, ns-476.awsdns-59.com)

Analysis

Hierarchy

redbirdlearning.com serves as the parent of laurieport.redbirdlearning.com, quill.redbirdlearning.com, api.redbirdlearning.com and rlc.redbirdlearning.com.

IP Addresses

redbirdlearning.com maps to three IP numbers — 52.5.102.5, 54.204.211.171 and 75.101.172.77.

redbirdlearning.com shares its IP numbers with other host names, including ec2-54-204-211-171.compute-1.amazonaws.com, ec2-52-5-102-5.compute-1.amazonaws.com, app.socialcloudfront.com and api.socialcloudfront.com.

Name Servers

The NS records for redbirdlearning.com point to four name servers: ns-476.awsdns-59.com, ns-749.awsdns-29.net, ns-1331.awsdns-38.org and ns-1627.awsdns-11.co.uk.

redbirdlearning.com has at least partial name server overlap with other domains, such as appsync-realtime-api.eu-central-1.amazonaws.com, highwood.co.il, veveoinc.com and two others.

ns-476.awsdns-59.com, ns-749.awsdns-29.net, ns-1331.awsdns-38.org and ns-1627.awsdns-11.co.uk all point to exactly two IP numbers each: ns-476.awsdns-59.com → 205.251.193.220 and 2600:9000:5301:dc00::1; ns-749.awsdns-29.net → 205.251.194.237 and 2600:9000:5302:ed00::1; ns-1331.awsdns-38.org → 205.251.197.51 and 2600:9000:5305:3300::1; ns-1627.awsdns-11.co.uk → 205.251.198.91 and 2600:9000:5306:5b00::1.

Mail Servers

redbirdlearning.com is served by two mail servers, mxa-00363701.gslb.pphosted.com and mxb-00363701.gslb.pphosted.com.

Among the domains sharing a mail server setup with redbirdlearning.com are mhedu.com, boardsbeyond.com, studysharpen.com and two others.

Each of mxa-00363701.gslb.pphosted.com and mxb-00363701.gslb.pphosted.com points to exactly one IP address: 67.231.157.28.

mxa-00363701.gslb.pphosted.com and mxb-00363701.gslb.pphosted.com each have 67.231.157.28 IP addresses.