opticalresearch.net - robtex.com

opticalresearch.net

DNSSEC⚠️ Not signed
A146.75.28.95🇺🇸 Fastly146.75.28.0/22
NSpdns1.ultradns.net ⭐
A2001:502:f3ff::1🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRpdns1.ultradns.net
A204.74.108.1🇺🇸 MAINT-ID-12008204.74.108.0/24 Neustar
PTRpdns1.ultradns.net
NSpdns2.ultradns.net
A2610:a1:1014::1🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRpdns2.ultradns.net
A204.74.109.1🇺🇸 MAINT-ID-12008204.74.109.0/24 Neustar
PTRpdns2.ultradns.net
NSpdns3.ultradns.org
A2610:a1:1015::1🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRpdns3.ultradns.org
A199.7.68.1🇺🇸 MAINT-ID-12008199.7.68.0/24 Neustar
PTRpdns3.ultradns.org
NSpdns4.ultradns.org
A2001:502:4612::1🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRpdns4.ultradns.org
A199.7.69.1🇺🇸 MAINT-ID-12008199.7.69.0/24 Neustar
PTRpdns4.ultradns.org
NSpdns5.ultradns.info
A2610:a1:1016::1🇺🇸 MAINT-ID-120082610:a1:1016::/48 Neustar
PTRpdns5.ultradns.info
A204.74.114.1🇺🇸 MAINT-ID-12008204.74.114.0/24 Neustar
PTRpdns5.ultradns.info
NSpdns6.ultradns.co.uk
A2610:a1:1017::1🇺🇸 MAINT-ID-120082610:a1:1017::/48 Neustar
PTRpdns6.ultradns.co.uk
A204.74.115.1🇺🇸 MAINT-ID-12008204.74.115.0/24 Neustar
PTRpdns6.ultradns.co.uk
SOApdns1.ultradns.nethostmaster@springer.com 2017-01-23 #16

net

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=1774781592

Same first word

opticalresearch.org
opticalresearch.net

Similar names

topicalresearch.com

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NSpdns1.ultradns.netpdns2.ultradns.netpdns3.ultradns.orgpdns4.ultradns.orgpdns5.ultradns.infopdns6.ultradns.co.ukdns1.springer.comdns2.springer.comdns4.springer.comA146.75.28.95146.75.92.95195.128.8.134199.232.36.9562.50.45.35
○NSdns1.springer.com2015-06-24 → 2020-01-11 · 4 obs
● 2015-06-24 06:58:18
● 2020-01-11 09:53:40
○ 2026-02-21 16:14:52
○ 2026-03-29 11:08:14
○NSdns2.springer.com2015-06-24 → 2020-01-11 · 4 obs
● 2015-06-24 06:58:18
● 2020-01-11 09:53:40
○ 2026-02-21 16:14:52
○ 2026-03-29 11:08:14
○NSdns4.springer.com2015-06-24 → 2020-01-11 · 4 obs
● 2015-06-24 06:58:18
● 2020-01-11 09:53:40
○ 2026-02-21 16:14:52
○ 2026-03-29 11:08:14
●NSpdns1.ultradns.net2026-02-21 → 2026-03-29 · 3 obs
○ 2020-01-11 09:53:40
● 2026-02-21 16:14:52
● 2026-03-29 11:08:14
●NSpdns2.ultradns.net2026-02-21 → 2026-03-29 · 3 obs
○ 2020-01-11 09:53:40
● 2026-02-21 16:14:52
● 2026-03-29 11:08:14
●NSpdns3.ultradns.org2026-02-21 → 2026-03-29 · 3 obs
○ 2020-01-11 09:53:40
● 2026-02-21 16:14:52
● 2026-03-29 11:08:14
●NSpdns4.ultradns.org2026-02-21 → 2026-03-29 · 3 obs
○ 2020-01-11 09:53:40
● 2026-02-21 16:14:52
● 2026-03-29 11:08:14
●NSpdns5.ultradns.info2026-02-21 → 2026-03-29 · 3 obs
○ 2020-01-11 09:53:40
● 2026-02-21 16:14:52
● 2026-03-29 11:08:14
●NSpdns6.ultradns.co.uk2026-02-21 → 2026-03-29 · 3 obs
○ 2020-01-11 09:53:40
● 2026-02-21 16:14:52
● 2026-03-29 11:08:14
●A146.75.28.952026-03-22 → 2026-03-29 · 3 obs
○ 2026-03-21 15:57:16
● 2026-03-22 01:20:58
● 2026-03-29 11:08:14
○A146.75.92.952026-02-26 → 2026-03-03 · 5 obs
○ 2026-02-21 16:14:52
● 2026-02-26 04:49:16
● 2026-03-03 11:06:08
○ 2026-03-21 15:57:16
○ 2026-03-29 11:08:14
○A195.128.8.1342020-01-11 → 2020-01-11 · 4 obs
○ 2017-01-15 00:17:00
● 2020-01-11 09:53:40
○ 2026-02-21 16:14:52
○ 2026-03-29 11:08:14
○A199.232.36.952026-02-21 → 2026-03-21 · 7 obs
○ 2020-01-11 09:53:40
● 2026-02-21 16:14:52
○ 2026-02-26 04:49:16
○ 2026-03-03 11:06:08
● 2026-03-21 15:57:16
○ 2026-03-22 01:20:58
○ 2026-03-29 11:08:14
○A62.50.45.352015-06-24 → 2017-01-15 · 4 obs
● 2015-06-24 06:58:18
● 2017-01-15 00:17:00
○ 2020-01-11 09:53:40
○ 2026-03-29 11:08:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nete.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net...-
opticalresearch.netpdns3.ultradns.org, pdns4.ultradns.org, pdns1.ultradns.net, pdns2.ultradns.net...4 records

✅ Authoritative Response

Server:199.7.68.1

NS records: pdns3.ultradns.org, pdns4.ultradns.org, pdns1.ultradns.net, pdns2.ultradns.net, pdns5.ultradns.info, pdns6.ultradns.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opticalresearch.net (unsigned zone)

⏱️ Timing

Total: 568ms | Queries: -

📄 Records

TypeCountSample Data
A1146.75.28.95
NS6pdns1.ultradns.net, pdns2.ultradns.net...
SOA1pdns1.ultradns.net hostmaster.springer.c

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (pdns1.ultradns.net, pdns1.ultradns.net, pdns2.ultradns.net...)

Analysis

IP Addresses

opticalresearch.net points to an IP address: 146.75.28.95.

other host names include vacaturesvoororthopeden.nl, nanoconvergencejournal.com, fachbuch-rheumatologie.de, spektrumakademie.com and planetary-science.com; they share IP numbers with opticalresearch.net.

Name Servers

opticalresearch.net delegates to six name servers: pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org and pdns6.ultradns.co.uk.

opticalresearch.net at least partially shares name servers with other domains, for instance otis.ph, ingramsystemsgroup.com, hotelresnetwork.com, 176.240.54.in-addr.arpa and quisma.com.

these name servers are commonly used with udns1.ultradns.net, dns1.p01.nsone.net, udns2.ultradns.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net, dns1.p09.nsone.net, dns2.p09.nsone.net, dns3.p09.nsone.net and dns4.p09.nsone.net.

Host names with two IP numbers:

pdns5.ultradns.info points to 2610:a1:1016::1 and 204.74.114.1.

pdns1.ultradns.net points to 2001:502:f3ff::1 and 204.74.108.1.

pdns2.ultradns.net points to 2610:a1:1014::1 and 204.74.109.1.

pdns3.ultradns.org points to 2610:a1:1015::1 and 199.7.68.1.

pdns4.ultradns.org points to 2001:502:4612::1 and 199.7.69.1.

pdns6.ultradns.co.uk points to 2610:a1:1017::1 and 204.74.115.1.