app.gradesfirst.com - robtex.com

app.gradesfirst.com

CNAMEproduction.gradesfirst.com
DNSSEC⚠️ Not signed

gradesfirst.com

DNSSEC⚠️ Not signed
A99.86.91.67
A99.86.91.68
A99.86.91.71
A99.86.91.104
NSns-163.awsdns-20.com ⭐
NSns-1469.awsdns-55.org
NSns-1801.awsdns-33.co.uk
NSns-602.awsdns-11.net
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(20)
MXaspmx2.googlemail.com(30)
TXTv=spf1 a:o1.email.gradesfirst.com include:aspmx.googlemail.com include:sendgr...
SOAns-163.awsdns-20.comawsdns-hostmaster@amazon.com serial=1
📈 Tranco rank: #537,007

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DNS History

1 record (1 active, 0 former)

20222023202420252026CNAMEproduction.gradesfirst.com
●CNAMEproduction.gradesfirst.com2021-05-11 → 2026-04-24 · 2 obs
● 2021-05-11 23:21:16
● 2026-04-24 03:54:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
gradesfirst.comns-163.awsdns-20.com, ns-602.awsdns-11.net, ns-1801.awsdns-33.co.uk, ns-1469.awsdns-55.org2 records
gradesfirst.comns-1469.awsdns-55.org, ns-163.awsdns-20.com, ns-1801.awsdns-33.co.uk, ns-602.awsdns-11.net-
gradesfirst.comns-1469.awsdns-55.org, ns-163.awsdns-20.com, ns-1801.awsdns-33.co.uk, ns-602.awsdns-11.net-
gradesfirst.comns-1469.awsdns-55.org, ns-163.awsdns-20.com, ns-1801.awsdns-33.co.uk, ns-602.awsdns-11.net-
gradesfirst.comns-1469.awsdns-55.org, ns-163.awsdns-20.com, ns-1801.awsdns-33.co.uk, ns-602.awsdns-11.net-
gradesfirst.comns-1469.awsdns-55.org, ns-163.awsdns-20.com, ns-1801.awsdns-33.co.uk, ns-602.awsdns-11.net-
gradesfirst.comns-1469.awsdns-55.org, ns-163.awsdns-20.com, ns-1801.awsdns-33.co.uk, ns-602.awsdns-11.net-
gradesfirst.comns-1469.awsdns-55.org, ns-163.awsdns-20.com, ns-1801.awsdns-33.co.uk, ns-602.awsdns-11.net-
gradesfirst.comns-1469.awsdns-55.org, ns-163.awsdns-20.com, ns-1801.awsdns-33.co.uk, ns-602.awsdns-11.net-
gradesfirst.comns-1469.awsdns-55.org, ns-163.awsdns-20.com, ns-1801.awsdns-33.co.uk, ns-602.awsdns-11.net-
gradesfirst.comns-1469.awsdns-55.org, ns-163.awsdns-20.com, ns-1801.awsdns-33.co.uk, ns-602.awsdns-11.net-
gradesfirst.comns-1469.awsdns-55.org, ns-163.awsdns-20.com, ns-1801.awsdns-33.co.uk, ns-602.awsdns-11.net-
gradesfirst.comns-1469.awsdns-55.org, ns-163.awsdns-20.com, ns-1801.awsdns-33.co.uk, ns-602.awsdns-11.net-
gradesfirst.comns-1469.awsdns-55.org, ns-163.awsdns-20.com, ns-1801.awsdns-33.co.uk, ns-602.awsdns-11.net-
gradesfirst.comns-1469.awsdns-55.org, ns-163.awsdns-20.com, ns-1801.awsdns-33.co.uk, ns-602.awsdns-11.net-
gradesfirst.comns-1469.awsdns-55.org, ns-163.awsdns-20.com, ns-1801.awsdns-33.co.uk, ns-602.awsdns-11.net-
gradesfirst.comns-1469.awsdns-55.org, ns-163.awsdns-20.com, ns-1801.awsdns-33.co.uk, ns-602.awsdns-11.net-
gradesfirst.comns-1469.awsdns-55.org, ns-163.awsdns-20.com, ns-1801.awsdns-33.co.uk, ns-602.awsdns-11.net-
gradesfirst.comns-1469.awsdns-55.org, ns-163.awsdns-20.com, ns-1801.awsdns-33.co.uk, ns-602.awsdns-11.net-
gradesfirst.comns-1469.awsdns-55.org, ns-163.awsdns-20.com, ns-1801.awsdns-33.co.uk, ns-602.awsdns-11.net-

✅ Authoritative Response

Server:205.251.194.90

NS records: ns-1469.awsdns-55.org, ns-163.awsdns-20.com, ns-1801.awsdns-33.co.uk, ns-602.awsdns-11.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gradesfirst.com (unsigned zone)

⏱️ Timing

Total: 1189ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1production.gradesfirst.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-163.awsdns-20.com, ns-163.awsdns-20.com)