optechtcs.com - dns.ninja
optechtcs.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.reedelsevier.com ⚠️ Not in zone NS records | ||||||
| A | 138.12.4.5🇺🇸 AS32472138.12.0.0/17 | ||||||
| PTR | ns1.reedelsevier.com | ||||||
| NS | ns2.reedelsevier.com ⚠️ Not in zone NS records | ||||||
| A | 198.176.82.118🇬🇧 REED-ELSEVIER-EMEA-GCC198.176.82.0/24 | ||||||
| NS | ns3.reedelsevier.com ⚠️ Not in zone NS records | ||||||
| A | 198.176.84.118🇸🇬 ELSEVIER-ASIAPACIFIC-AS-AP198.176.84.0/24 Lexis Nexis (RELX) Internet DIA Singapore | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1782888701 | ||||||
Same first word
optechtcs.com |
Similar names
DNS History
10 records (3 active, 7 former)
○NSns.elsevier.co.uk2008-03-14 → 2017-07-21 · 4 obs
● 2008-03-14 23:40:08
● 2017-07-21 22:50:24
○ 2017-08-29 15:18:40
○ 2026-07-01 07:21:32
● 2017-07-21 22:50:24
○ 2017-08-29 15:18:40
○ 2026-07-01 07:21:32
○NSns0-o.dns.pipex.net2008-03-14 → 2017-07-21 · 4 obs
● 2008-03-14 23:40:08
● 2017-07-21 22:50:24
○ 2017-08-29 15:18:40
○ 2026-07-01 07:21:32
● 2017-07-21 22:50:24
○ 2017-08-29 15:18:40
○ 2026-07-01 07:21:32
○NSns1-o.dns.pipex.net2008-03-14 → 2017-07-21 · 4 obs
● 2008-03-14 23:40:08
● 2017-07-21 22:50:24
○ 2017-08-29 15:18:40
○ 2026-07-01 07:21:32
● 2017-07-21 22:50:24
○ 2017-08-29 15:18:40
○ 2026-07-01 07:21:32
●NSns1.reedelsevier.com2017-08-29 → 2026-07-01 · 3 obs
○ 2017-07-21 22:50:24
● 2017-08-29 15:18:40
● 2026-07-01 07:21:32
● 2017-08-29 15:18:40
● 2026-07-01 07:21:32
●NSns2.reedelsevier.com2017-08-29 → 2026-07-01 · 3 obs
○ 2017-07-21 22:50:24
● 2017-08-29 15:18:40
● 2026-07-01 07:21:32
● 2017-08-29 15:18:40
● 2026-07-01 07:21:32
●NSns3.reedelsevier.com2017-08-29 → 2026-07-01 · 3 obs
○ 2017-07-21 22:50:24
● 2017-08-29 15:18:40
● 2026-07-01 07:21:32
● 2017-08-29 15:18:40
● 2026-07-01 07:21:32
○A129.35.69.1032008-03-14 → 2008-03-14 · 3 obs
● 2008-03-14 23:40:08
○ 2015-05-17 18:52:24
○ 2026-07-01 07:21:32
○ 2015-05-17 18:52:24
○ 2026-07-01 07:21:32
○A162.159.140.1142026-04-20 → 2026-05-30 · 5 obs
○ 2017-08-29 15:18:40
● 2026-04-20 08:53:20
● 2026-05-30 07:13:00
○ 2026-07-01 07:21:30
○ 2026-07-01 07:21:32
● 2026-04-20 08:53:20
● 2026-05-30 07:13:00
○ 2026-07-01 07:21:30
○ 2026-07-01 07:21:32
○A172.66.0.1122026-04-20 → 2026-05-30 · 5 obs
○ 2017-08-29 15:18:40
● 2026-04-20 08:53:20
● 2026-05-30 07:13:00
○ 2026-07-01 07:21:30
○ 2026-07-01 07:21:32
● 2026-04-20 08:53:20
● 2026-05-30 07:13:00
○ 2026-07-01 07:21:30
○ 2026-07-01 07:21:32
○A65.156.1.1002015-05-17 → 2017-08-29 · 5 obs
○ 2008-03-14 23:40:08
● 2015-05-17 18:52:24
● 2017-08-29 15:18:40
○ 2026-04-20 08:53:20
○ 2026-07-01 07:21:32
● 2015-05-17 18:52:24
● 2017-08-29 15:18:40
○ 2026-04-20 08:53:20
○ 2026-07-01 07:21:32
🔍 DNS Trace
Analysis
Name Servers
optechtcs.com has three name servers — ns1.reedelsevier.com, ns2.reedelsevier.com and ns3.reedelsevier.com.
optechtcs.com has at least partial name server overlap with other domains, such as lawyertarget.com, ijoms.com, lexisnexis.cm and two others.
It is common to find these name servers paired with the name servers ns1078.reedelsevier.com.
Each of the three hostnames points to exactly one IP address: ns1.reedelsevier.com points to 138.12.4.5, ns2.reedelsevier.com points to 198.176.82.118 and ns3.reedelsevier.com points to 198.176.84.118.