doctoralstudy.com - dns.ninja

doctoralstudy.com

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 ⭐
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
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

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1783821022

Same first word

doctoralstudy.com
doctoralstudy.eu

DNS History

22 records (4 active, 18 former)

20162017201820192020202120222023202420252026NSns1.afternic.comns2.afternic.comns1.namebrightdns.comns2.namebrightdns.comnsg1.namebrightdns.comnsg2.namebrightdns.comMXanmail.namebrightmail.comA13.248.169.4876.223.54.146107.23.160.218107.23.198.24052.0.96.2452.204.129.2252.4.72.13752.71.117.9954.174.31.25454.208.74.21554.209.90.8154.85.127.70CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.comhdredirect-lb3-890977680.us-east-1.elb.amazonaws.comhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com
●NSns1.afternic.com2026-06-26 → 2026-07-12 · 3 obs
○ 2020-03-07 03:14:32
● 2026-06-26 17:27:34
● 2026-07-12 01:53:36
○NSns1.namebrightdns.com2015-06-01 → 2017-04-09 · 7 obs
● 2015-06-01 10:31:58
● 2015-10-14 10:38:36
○ 2015-12-19 04:20:38
● 2016-03-14 17:46:54
● 2017-04-09 14:42:26
○ 2020-03-07 03:14:32
○ 2026-07-12 01:53:36
●NSns2.afternic.com2026-06-26 → 2026-07-12 · 3 obs
○ 2020-03-07 03:14:32
● 2026-06-26 17:27:34
● 2026-07-12 01:53:36
○NSns2.namebrightdns.com2015-06-01 → 2017-04-09 · 7 obs
● 2015-06-01 10:31:58
● 2015-10-14 10:38:36
○ 2015-12-19 04:20:38
● 2016-03-14 17:46:54
● 2017-04-09 14:42:26
○ 2020-03-07 03:14:32
○ 2026-07-12 01:53:36
○NSnsg1.namebrightdns.com2015-12-19 → 2020-03-07 · 8 obs
○ 2015-10-14 10:38:36
● 2015-12-19 04:20:38
● 2016-03-14 17:46:54
○ 2016-07-17 17:37:40
○ 2017-04-09 14:42:26
● 2020-03-07 03:14:32
○ 2026-06-26 17:27:34
○ 2026-07-12 01:53:36
○NSnsg2.namebrightdns.com2015-12-19 → 2020-03-07 · 7 obs
○ 2015-10-14 10:38:36
● 2015-12-19 04:20:38
○ 2016-03-14 17:46:54
○ 2017-04-09 14:42:26
● 2020-03-07 03:14:32
○ 2026-06-26 17:27:34
○ 2026-07-12 01:53:36
○MXanmail.namebrightmail.com2015-06-01 → 2015-06-01 · 3 obs
● 2015-06-01 10:31:58
○ 2015-10-14 10:38:36
○ 2026-07-12 01:53:36
○A107.23.160.2182015-12-19 → 2015-12-19 · 4 obs
○ 2015-10-14 10:38:36
● 2015-12-19 04:20:38
○ 2016-03-14 17:46:54
○ 2026-07-12 01:53:36
○A107.23.198.2402016-07-17 → 2016-07-17 · 4 obs
○ 2016-03-14 17:46:54
● 2016-07-17 17:37:40
○ 2017-04-09 14:42:26
○ 2026-07-12 01:53:36
●A13.248.169.482026-06-26 → 2026-07-12 · 3 obs
○ 2020-03-07 03:14:32
● 2026-06-26 17:27:34
● 2026-07-12 01:53:36
○A52.0.96.242016-03-14 → 2016-03-14 · 4 obs
○ 2015-12-19 04:20:38
● 2016-03-14 17:46:54
○ 2016-07-17 17:37:40
○ 2026-07-12 01:53:36
○A52.204.129.222017-04-09 → 2017-04-09 · 4 obs
○ 2016-07-17 17:37:40
● 2017-04-09 14:42:26
○ 2020-03-07 03:14:32
○ 2026-07-12 01:53:36
○A52.4.72.1372016-07-17 → 2016-07-17 · 4 obs
○ 2016-03-14 17:46:54
● 2016-07-17 17:37:40
○ 2017-04-09 14:42:26
○ 2026-07-12 01:53:36
○A52.71.117.992016-03-14 → 2016-03-14 · 4 obs
○ 2015-12-19 04:20:38
● 2016-03-14 17:46:54
○ 2016-07-17 17:37:40
○ 2026-07-12 01:53:36
○A54.174.31.2542015-06-01 → 2015-10-14 · 4 obs
● 2015-06-01 10:31:58
● 2015-10-14 10:38:36
○ 2015-12-19 04:20:38
○ 2026-07-12 01:53:36
○A54.208.74.2152015-06-01 → 2015-10-14 · 4 obs
● 2015-06-01 10:31:58
● 2015-10-14 10:38:36
○ 2015-12-19 04:20:38
○ 2026-07-12 01:53:36
○A54.209.90.812015-12-19 → 2015-12-19 · 4 obs
○ 2015-10-14 10:38:36
● 2015-12-19 04:20:38
○ 2016-03-14 17:46:54
○ 2026-07-12 01:53:36
○A54.85.127.702017-04-09 → 2017-04-09 · 4 obs
○ 2016-07-17 17:37:40
● 2017-04-09 14:42:26
○ 2020-03-07 03:14:32
○ 2026-07-12 01:53:36
●A76.223.54.1462026-06-26 → 2026-07-12 · 3 obs
○ 2020-03-07 03:14:32
● 2026-06-26 17:27:34
● 2026-07-12 01:53:36
○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-06-01 → 2016-07-17 · 4 obs
● 2015-06-01 10:31:58
● 2016-07-17 17:37:40
○ 2017-04-09 14:42:26
○ 2026-07-12 01:53:36
○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-04-09 → 2017-04-09 · 4 obs
○ 2016-07-17 17:37:40
● 2017-04-09 14:42:26
○ 2020-03-07 03:14:32
○ 2026-07-12 01:53:36
○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2020-03-07 → 2020-03-07 · 4 obs
○ 2017-04-09 14:42:26
● 2020-03-07 03:14:32
○ 2026-06-26 17:27:34
○ 2026-07-12 01:53:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
doctoralstudy.comns1.afternic.com, ns2.afternic.com4 records

✅ Authoritative Response

Server:173.201.66.69

NS records: ns1.afternic.com, ns2.afternic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doctoralstudy.com (unsigned zone)

⏱️ Timing

Total: 173ms | Queries: -

📄 Records

TypeCountSample Data
A276.223.54.146, 13.248.169.48
NS2ns1.afternic.com, ns2.afternic.com
MX1. (pri: 0)
TXT1v=spf1 -all
SOA1ns2.afternic.com dns.jomax.net

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)

Analysis

IP Addresses

doctoralstudy.com has two IP addresses: 13.248.169.48 and 76.223.54.146

www.upoker.com, firearmsworld.com, mail.bdfl.org and two other host names share IP numbers with doctoralstudy.com.

Name Servers

The NS records for doctoralstudy.com delegate to ns1.afternic.com and ns2.afternic.com.

doctoralstudy.com uses the same name servers as several other domains — among them www.niaozhong.com, sig03.cust.servervault.com, cloudtechies.com and two more.

At least some of doctoralstudy.com's name servers are shared with other domains, for example exin.store, alfahimholdings.com, alexandersterling.com and two more.

These name servers are often deployed together with the name servers verification-d3jclucsp89ganyqbydeny.ns101.verify.hn, verification-frb6pqdkkjlns5j4tthxc3.ns101.verify.hn, verification-m3erh32ujyoastvophjvuz.ns101.verify.hn and verification-ryl9l7cn2xbgckdbkcguz6.ns101.verify.hn.

ns1.afternic.com resolves to 97.74.98.69 and 2603:5:2126::45. Likewise, ns2.afternic.com resolves to 173.201.66.69 and 2603:5:2226::45 — two IP addresses apiece.