mail.gradeup.us - robtex.com

mail.gradeup.us

DNSSEC⚠️ Not signed
A13.248.169.48🇺🇸 Amazon13.248.160.0/20
PTRa904c694c05102f30.awsglobalaccelerator.com
A76.223.54.146🇺🇸 Amazon76.223.48.0/20
NSns1.afternic.com ⭐ ⚠️ Not in parent delegation
A2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44
PTRns1.afternic.com
A97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23
PTRns1.afternic.com
NSns2.afternic.com ⚠️ Not in parent delegation
A2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44
PTRns2.afternic.com
A173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23
PTRns2.afternic.com
TXTv=spf1 -all
SOAns1.afternic.comdns@jomax.net serial=1

gradeup.us

DNSSEC⚠️ Not signed
A13.248.169.48🇺🇸 Amazon13.248.160.0/20
A76.223.54.146🇺🇸 Amazon76.223.48.0/20
NSns2.afternic.com ⭐
NSns1.afternic.com
NSverification-m3erh32ujyoastvophjvuz.ns101.verify.hn ⚠️ Not in zone NS records
TXTv=spf1 -all
SOAns2.afternic.comdns@jomax.net serial=1

Previously MX for

gradeup.us

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026NSns1.afternic.comns2.afternic.comA13.248.169.4876.223.54.146173.254.95.45
●NSns1.afternic.com2026-04-12 → 2026-04-12 · 2 obs
● 2026-04-12 17:40:52
● 2026-04-12 17:40:54
●NSns2.afternic.com2026-04-12 → 2026-04-12 · 2 obs
● 2026-04-12 17:40:52
● 2026-04-12 17:40:54
●A13.248.169.482026-04-12 → 2026-04-12 · 3 obs
○ 2016-03-01 13:02:18
● 2026-04-12 17:40:52
● 2026-04-12 17:40:54
○A173.254.95.452015-07-19 → 2016-03-01 · 4 obs
● 2015-07-19 19:41:50
● 2016-03-01 13:02:18
○ 2026-04-12 17:40:52
○ 2026-04-12 17:40:54
●A76.223.54.1462026-04-12 → 2026-04-12 · 3 obs
○ 2016-03-01 13:02:18
● 2026-04-12 17:40:52
● 2026-04-12 17:40:54

🔍 DNS Trace

Analysis

IP Addresses

mail.gradeup.us resolves to two IP numbers: 13.248.169.48 and 76.223.54.146.

Other host names, for instance mail.baldoni.com, seeme(0x6e756465).com, aviezer.com, racineassociates.com and 830realty.com share IP numbers with mail.gradeup.us.

Name Servers

Two name servers ns1.afternic.com and ns2.afternic.com handle delegation for mail.gradeup.us.

mail.gradeup.us uses the same name server setup as other domains, for example nullmx.finestorganics.com, hotshack.com, orbitconsulting.com, streetecho.com and default-ptr-207-154-204-137.misdivision.com.

mail.gradeup.us partially shares name servers with other domains; examples include etransglobe.com, damor.co, oneplus.me, citizenshipnow.org and mmc-cn.com.

These name servers are often used with the name servers verification-d3jclucsp89ganyqbydeny.ns101.verify.hn and verification-q2yfbmuxrvnsdnaogqtqft.ns101.verify.hn.

Host names with two IP numbers:

ns1.afternic.com points to: 2603:5:2126::45 and 97.74.98.69

ns2.afternic.com points to: 2603:5:2226::45 and 173.201.66.69