criterionls.com - dns.ninja
criterionls.com
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=1785198322 | ||||||
Subdomains
www.criterionls.com |
Same first word
criterionls.com |
Similar names
DNS History
13 records (7 active, 6 former)
●NSa1-137.akam.net2026-03-26 → 2026-07-28 · 3 obs
● 2026-03-26 15:36:56
● 2026-07-28 00:34:12
●NSa10-67.akam.net2026-03-26 → 2026-07-28 · 3 obs
● 2026-03-26 15:36:56
● 2026-07-28 00:34:12
●NSa14-64.akam.net2026-03-26 → 2026-07-28 · 3 obs
● 2026-03-26 15:36:56
● 2026-07-28 00:34:12
●NSa3-64.akam.net2026-03-26 → 2026-07-28 · 3 obs
● 2026-03-26 15:36:56
● 2026-07-28 00:34:12
●NSa7-66.akam.net2026-03-26 → 2026-07-28 · 3 obs
● 2026-03-26 15:36:56
● 2026-07-28 00:34:12
●NSa8-65.akam.net2026-03-26 → 2026-07-28 · 3 obs
● 2026-03-26 15:36:56
● 2026-07-28 00:34:12
○NSopglb01a.options-it.com2015-06-12 → 2020-01-03 · 4 obs
● 2020-01-03 08:19:26
○ 2026-03-26 15:36:56
○ 2026-07-28 00:34:12
○NSopglb01b.options-it.com2015-06-12 → 2020-01-03 · 4 obs
● 2020-01-03 08:19:26
○ 2026-03-26 15:36:56
○ 2026-07-28 00:34:12
○NSopweb01.options-it.com2015-06-12 → 2015-12-03 · 4 obs
● 2015-12-03 07:43:12
○ 2016-03-09 03:17:02
○ 2026-07-28 00:34:12
○NSopweb02.options-it.com2015-06-12 → 2015-12-03 · 4 obs
● 2015-12-03 07:43:12
○ 2016-03-09 03:17:02
○ 2026-07-28 00:34:12
●MXmgw.options-it.com2015-12-03 → 2026-07-28 · 3 obs
● 2015-12-03 07:43:12
● 2026-07-28 00:34:12
○MXopmgw01d.options-it.com2015-06-12 → 2015-06-12 · 3 obs
○ 2015-12-03 07:43:12
○ 2026-07-28 00:34:12
○MXopmgw01p.options-it.com2015-06-12 → 2015-06-12 · 3 obs
○ 2015-12-03 07:43:12
○ 2026-07-28 00:34:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net... | - |
| criterionls.com | a3-64.akam.net, a14-64.akam.net, a7-66.akam.net, a1-137.akam.net... | - |
✅ Authoritative Response
Server:96.7.50.67
NS records: a3-64.akam.net, a14-64.akam.net, a7-66.akam.net, a1-137.akam.net, a8-65.akam.net, a10-67.akam.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for criterionls.com (unsigned zone)
⏱️ Timing
Total: 529ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 6 | a10-67.akam.net, a14-64.akam.net... |
| MX | 1 | mgw.options-it.com (pri: 20) |
| SOA | 1 | a1-137.akam.net hostmaster.criterionls.c |
Analysis
Hierarchy
criterionls.com is the parent zone for www.criterionls.com.
Name Servers
The DNS delegation for criterionls.com covers 6 name servers: a1-137.akam.net, a10-67.akam.net, a14-64.akam.net and 3 more.
criterionls.com partially shares its NS delegation with several other domains, including admissions.tufts.edu, thetrendingtoday.com, qbesinfocenter.com and two others.
In DNS configurations, these name servers often share authority with a3-64.akam.net, a8-65.akam.net, a7-66.akam.net and 7 other name servers.
Host names with two IP numbers:
a1-137.akam.net maps to two IP addresses — 193.108.91.137 and 2600:1401:2::89.
a10-67.akam.net maps to two IP addresses — 96.7.50.67 and 2600:1480:d000::43.
a14-64.akam.net maps to two IP addresses — 184.26.161.64 and 2600:1480:1800::40.
a3-64.akam.net maps to two IP addresses — 96.7.49.64 and 2600:1408:1c::40.
a7-66.akam.net maps to two IP addresses — 23.61.199.66 and 2600:1406:32::42.
a8-65.akam.net maps to two IP addresses — 2.16.40.65 and 2600:1403:a::41.
Mail Servers
criterionls.com has one mail server: mgw.options-it.com.
criterionls.com shares the same mail server setup as other domains, including options-it.co.uk, sealarkrbb.com, ccpman.com and two others.
The MX records for criterionls.com are at least partially shared with other domains, such as venn-hypotheken.nl, loughshoretech.com, halkinfinance.com and scs-ltd.net.
These mail servers are frequently paired with the mail servers opmgw02p.options-it.com, opmgw02d.options-it.com, opmgw02e.options-it.com and _dc-mx.b34a400af9f7.loughshoretech.com.