cotcs.org - dns.ninja
cotcs.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1785964603 | ||||||
Subdomains
mail.cotcs.org |
Same first word
Similar names
DNS History
12 records (8 active, 4 former)
●NSns1.bluehost.com2015-05-06 → 2026-08-05 · 2 obs
● 2026-08-05 21:34:26
●NSns2.bluehost.com2015-05-06 → 2026-08-05 · 2 obs
● 2026-08-05 21:34:26
●MXalt1.aspmx.l.google.com2026-02-15 → 2026-08-05 · 3 obs
● 2026-02-15 11:33:24
● 2026-08-05 21:34:26
●MXalt2.aspmx.l.google.com2026-02-15 → 2026-08-05 · 3 obs
● 2026-02-15 11:33:24
● 2026-08-05 21:34:26
●MXalt3.aspmx.l.google.com2026-02-15 → 2026-08-05 · 3 obs
● 2026-02-15 11:33:24
● 2026-08-05 21:34:26
●MXalt4.aspmx.l.google.com2026-02-15 → 2026-08-05 · 3 obs
● 2026-02-15 11:33:24
● 2026-08-05 21:34:26
●MXaspmx.l.google.com2026-02-15 → 2026-08-05 · 3 obs
● 2026-02-15 11:33:24
● 2026-08-05 21:34:26
○MXfallbackmx.spamexperts.eu2015-05-06 → 2017-07-09 · 4 obs
● 2017-07-09 16:41:08
○ 2026-02-15 11:33:24
○ 2026-08-05 21:34:26
○MXlastmx.spamexperts.net2015-05-06 → 2017-07-09 · 4 obs
● 2017-07-09 16:41:08
○ 2026-02-15 11:33:24
○ 2026-08-05 21:34:26
○MXmx.spamexperts.com2015-05-06 → 2017-07-09 · 4 obs
● 2017-07-09 16:41:08
○ 2026-02-15 11:33:24
○ 2026-08-05 21:34:26
●A141.193.213.102026-02-15 → 2026-08-05 · 3 obs
● 2026-02-15 11:33:24
● 2026-08-05 21:34:26
○A50.87.248.1942015-05-06 → 2017-07-09 · 4 obs
● 2017-07-09 16:41:08
○ 2026-02-15 11:33:24
○ 2026-08-05 21:34:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| cotcs.org | ns1.bluehost.com, ns2.bluehost.com | - |
✅ Authoritative Response
Server:162.159.25.175
NS records: ns1.bluehost.com, ns2.bluehost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cotcs.org (unsigned zone)
⏱️ Timing
Total: 635ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 141.193.213.10 |
| NS | 2 | ns2.bluehost.com, ns1.bluehost.com |
| MX | 5 | alt4.aspmx.l.google.com (pri: 10), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 2 | v=spf1 a mx include:_spf.google.com ~all, google-site-verification=7shf9GHdjyurgrh |
| SOA | 1 | NS1.BLUEHOST.COM root.BLUEHOST.COM |
Analysis
Hierarchy
mail.cotcs.org is delegated beneath cotcs.org.
IP Addresses
cotcs.org directs to one IP number, which is 141.193.213.10.
Among the host names that share IP numbers with cotcs.org are casaweb.ch, cooksclub.com, www.canadabuildingmaterials.com and two others.
Name Servers
The NS records for cotcs.org delegate to ns1.bluehost.com and ns2.bluehost.com.
cotcs.org has the same name server delegation as a number of other domains, such as chaletdor.com, imobilem.com, infinitycycleworks.com and two more.
Some name servers delegated to cotcs.org are also used by other domains, notably northsouthemporium.com and londonpd.com.
ns1.bluehost.com → 162.159.24.80 and ns2.bluehost.com → 162.159.25.175: one IP number per host name.
Mail Servers
cotcs.org has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
cotcs.org shares at least some of its mail servers with other domains — for example ns500794.ns500794.ns500821.ns500794.ns500794.ns500794.ns500821.ns500795.ns500821.ns500821.ns500795.ns500790.ns500795.lustypartnersfinder.com, hex7.com, colinhume.info and two more.
It is common to find these mail servers paired with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 more.
Hosts with two IP numbers each:
The A records for aspmx.l.google.com return 172.253.122.26 and 2607:f8b0:4004:c1f::1b.
The A records for alt1.aspmx.l.google.com return 108.177.123.26 and 2800:3f0:4003:c0f::1a.
The A records for alt2.aspmx.l.google.com return 172.253.116.27 and 2a00:1450:400b:c02::1a.
The A records for alt3.aspmx.l.google.com return 192.178.223.26 and 2a00:1450:4009:c0f::1b.
The A records for alt4.aspmx.l.google.com return 172.253.157.27 and 2a00:1450:400c:c23::1a.