optimaalstudy.com - robtex.com

optimaalstudy.com

DNSSEC⚠️ Not signed
NSdns1.p03.nsone.net ⭐
A2620:4d:4000:6259:7:3:0:1🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48
PTRdns1.p03.nsone.net
A198.51.44.3🇺🇸 NSONE198.51.44.0/24 198.51.44.0
PTRdns1.p03.nsone.net
NSdns2.p03.nsone.net
A2a00:edc0:6259:7:3::2🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2
PTRdns2.p03.nsone.net
A198.51.45.3🇺🇸 NSONE198.51.45.0/24 198.51.45.0
PTRdns2.p03.nsone.net
NSdns3.p03.nsone.net
A2620:4d:4000:6259:7:3:0:3🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48
PTRdns3.p03.nsone.net
A198.51.44.67🇺🇸 NSONE198.51.44.0/24 198.51.44.0
PTRdns3.p03.nsone.net
NSdns4.p03.nsone.net
A2a00:edc0:6259:7:3::4🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2
PTRdns4.p03.nsone.net
A198.51.45.67🇺🇸 NSONE198.51.45.0/24 198.51.45.0
PTRdns4.p03.nsone.net
NSns01.msddns.com
A45.54.26.1🇺🇸 NETACTUATE45.54.26.0/24 NetActuate, Inc
PTRns01.msddns.com
NSns02.msddns.com
A45.54.26.65🇺🇸 NETACTUATE45.54.26.0/24 NetActuate, Inc
PTRns02.msddns.com
NSns03.msddns.com
A45.54.26.129🇺🇸 NETACTUATE45.54.26.0/24 NetActuate, Inc
PTRns03.msddns.com
NSns04.msddns.com
A45.54.26.193🇺🇸 NETACTUATE45.54.26.0/24 NetActuate, Inc
PTRns04.msddns.com
TXTv=spf1 -all
SOAdns1.p03.nsone.nethostmaster@nsone.net serial=1743015540

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=1774434762
WOT: UNKNOWN (90/100)

Same first word

optimaalstudy.com

DNS History

13 records (8 active, 5 former)

20162017201820192020202120222023202420252026NSdns1.p03.nsone.netdns2.p03.nsone.netdns3.p03.nsone.netdns4.p03.nsone.netns01.msddns.comns02.msddns.comns03.msddns.comns04.msddns.comcbru.br.ns.els-gms.att.netcmtu.mt.ns.els-gms.att.netns6.customer.level3.netns9.customer.level3.netA155.91.16.95
○NScbru.br.ns.els-gms.att.net2015-08-09 → 2017-09-20 · 4 obs
● 2015-08-09 04:12:08
● 2017-09-20 06:00:32
○ 2026-03-17 04:41:16
○ 2026-03-25 10:55:42
○NScmtu.mt.ns.els-gms.att.net2015-08-09 → 2017-09-20 · 4 obs
● 2015-08-09 04:12:08
● 2017-09-20 06:00:32
○ 2026-03-17 04:41:16
○ 2026-03-25 10:55:42
●NSdns1.p03.nsone.net2026-03-17 → 2026-03-25 · 3 obs
○ 2017-09-20 06:00:32
● 2026-03-17 04:41:16
● 2026-03-25 10:55:42
●NSdns2.p03.nsone.net2026-03-17 → 2026-03-25 · 3 obs
○ 2017-09-20 06:00:32
● 2026-03-17 04:41:16
● 2026-03-25 10:55:42
●NSdns3.p03.nsone.net2026-03-17 → 2026-03-25 · 3 obs
○ 2017-09-20 06:00:32
● 2026-03-17 04:41:16
● 2026-03-25 10:55:42
●NSdns4.p03.nsone.net2026-03-17 → 2026-03-25 · 3 obs
○ 2017-09-20 06:00:32
● 2026-03-17 04:41:16
● 2026-03-25 10:55:42
●NSns01.msddns.com2026-03-17 → 2026-03-25 · 3 obs
○ 2017-09-20 06:00:32
● 2026-03-17 04:41:16
● 2026-03-25 10:55:42
●NSns02.msddns.com2026-03-17 → 2026-03-25 · 3 obs
○ 2017-09-20 06:00:32
● 2026-03-17 04:41:16
● 2026-03-25 10:55:42
●NSns03.msddns.com2026-03-17 → 2026-03-25 · 3 obs
○ 2017-09-20 06:00:32
● 2026-03-17 04:41:16
● 2026-03-25 10:55:42
●NSns04.msddns.com2026-03-17 → 2026-03-25 · 3 obs
○ 2017-09-20 06:00:32
● 2026-03-17 04:41:16
● 2026-03-25 10:55:42
○NSns6.customer.level3.net2015-08-09 → 2017-09-20 · 4 obs
● 2015-08-09 04:12:08
● 2017-09-20 06:00:32
○ 2026-03-17 04:41:16
○ 2026-03-25 10:55:42
○NSns9.customer.level3.net2015-08-09 → 2017-09-20 · 4 obs
● 2015-08-09 04:12:08
● 2017-09-20 06:00:32
○ 2026-03-17 04:41:16
○ 2026-03-25 10:55:42
○A155.91.16.952015-08-09 → 2017-09-20 · 4 obs
● 2015-08-09 04:12:08
● 2017-09-20 06:00:32
○ 2026-03-17 04:41:16
○ 2026-03-25 10:55:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net...-
optimaalstudy.comdns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net, dns4.p03.nsone.net...4 records

✅ Authoritative Response

Server:198.51.45.67

NS records: dns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net, dns4.p03.nsone.net, ns01.msddns.com, ns02.msddns.com, ns03.msddns.com, ns04.msddns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimaalstudy.com (unsigned zone)

⏱️ Timing

Total: 377ms | Queries: -

📄 Records

TypeCountSample Data
NS8dns1.p03.nsone.net, dns2.p03.nsone.net...
TXT1v=spf1 -all
SOA1dns1.p03.nsone.net hostmaster.nsone.net

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns01.msddns.com, ns02.msddns.com, ns03.msddns.com...)

Analysis

Name Servers

optimaalstudy.com is delegated to eight name servers: ns01.msddns.com, ns02.msddns.com, ns03.msddns.com, ns04.msddns.com, dns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net and dns4.p03.nsone.net.

optimaalstudy.com shares name servers with other domains at least partially, for example inforceusa.com, immunoconnect.com, storylinestudios.ca, vaccinefacts.co.uk and cassleahgarcia.com.

These name servers are often used together with the name servers ns01.squarespacedns.com, ns02.squarespacedns.com, ns03.squarespacedns.com, ns04.squarespacedns.com and dns1.p01.nsone.net.

Host names with two IPs:

dns1.p03.nsone.net points to 2620:4d:4000:6259:7:3:0:1 and 198.51.44.3.

dns2.p03.nsone.net points to 2a00:edc0:6259:7:3::2 and 198.51.45.3.

dns3.p03.nsone.net points to 2620:4d:4000:6259:7:3:0:3 and 198.51.44.67.

dns4.p03.nsone.net points to 2a00:edc0:6259:7:3::4 and 198.51.45.67.

Host names with one IP:

ns01.msddns.com points to 45.54.26.1.

ns02.msddns.com points to 45.54.26.65.

ns03.msddns.com points to 45.54.26.129.

ns04.msddns.com points to 45.54.26.193.