icref.com - dns.ninja
icref.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=1784088652 | ||||||
Subdomains
Same first word
icref.com |
Similar names
DNS History
24 records (8 active, 16 former)
●NSns-1387.awsdns-45.org2026-02-26 → 2026-07-15 · 3 obs
● 2026-02-26 01:04:54
● 2026-07-15 04:24:26
●NSns-1639.awsdns-12.co.uk2026-02-26 → 2026-07-15 · 3 obs
● 2026-02-26 01:04:54
● 2026-07-15 04:24:26
●NSns-387.awsdns-48.com2026-02-26 → 2026-07-15 · 3 obs
● 2026-02-26 01:04:54
● 2026-07-15 04:24:26
●NSns-928.awsdns-52.net2026-02-26 → 2026-07-15 · 3 obs
● 2026-02-26 01:04:54
● 2026-07-15 04:24:26
○NSns65.worldnic.com2015-08-11 → 2017-04-10 · 4 obs
● 2017-04-10 10:53:10
○ 2026-02-26 01:04:54
○ 2026-07-15 04:24:26
○NSns66.worldnic.com2015-08-11 → 2017-04-10 · 4 obs
● 2017-04-10 10:53:10
○ 2026-02-26 01:04:54
○ 2026-07-15 04:24:26
●MXinbound-smtp.us-east-1.amazonaws.com2026-02-26 → 2026-07-15 · 3 obs
● 2026-02-26 01:04:54
● 2026-07-15 04:24:26
○MXp.webcom.ctmail.com2015-12-22 → 2017-04-10 · 4 obs
● 2017-04-10 10:53:10
○ 2026-02-26 01:04:54
○ 2026-07-15 04:24:26
○A100.25.150.2282026-03-14 → 2026-03-14 · 4 obs
● 2026-03-14 10:08:20
○ 2026-06-14 04:34:02
○ 2026-07-15 04:24:26
○A100.29.172.112026-02-26 → 2026-02-26 · 4 obs
● 2026-02-26 01:04:54
○ 2026-03-14 10:08:20
○ 2026-07-15 04:24:26
○A100.49.251.742026-02-26 → 2026-07-15 · 2 obs
○ 2026-07-15 04:24:26
○A100.52.64.2062026-06-14 → 2026-06-14 · 4 obs
● 2026-06-14 04:34:02
○ 2026-07-15 04:24:24
○ 2026-07-15 04:24:26
○A18.211.240.1152026-03-14 → 2026-03-14 · 4 obs
● 2026-03-14 10:08:20
○ 2026-06-14 04:34:02
○ 2026-07-15 04:24:26
○A208.91.197.272015-08-11 → 2017-04-10 · 4 obs
● 2017-04-10 10:53:10
○ 2026-02-26 01:04:54
○ 2026-07-15 04:24:26
●A3.210.105.2522026-07-15 → 2026-07-15 · 3 obs
● 2026-07-15 04:24:24
● 2026-07-15 04:24:26
○A3.214.16.832026-06-14 → 2026-06-14 · 4 obs
● 2026-06-14 04:34:02
○ 2026-07-15 04:24:24
○ 2026-07-15 04:24:26
●A34.192.229.642026-07-15 → 2026-07-15 · 3 obs
● 2026-07-15 04:24:24
● 2026-07-15 04:24:26
○A34.195.242.372026-03-14 → 2026-03-14 · 4 obs
● 2026-03-14 10:08:20
○ 2026-06-14 04:34:02
○ 2026-07-15 04:24:26
○A35.171.149.1102026-02-26 → 2026-02-26 · 4 obs
● 2026-02-26 01:04:54
○ 2026-03-14 10:08:20
○ 2026-07-15 04:24:26
○A52.1.112.182026-06-14 → 2026-06-14 · 4 obs
● 2026-06-14 04:34:02
○ 2026-07-15 04:24:24
○ 2026-07-15 04:24:26
○A52.206.21.2142026-02-26 → 2026-02-26 · 4 obs
● 2026-02-26 01:04:54
○ 2026-03-14 10:08:20
○ 2026-07-15 04:24:26
○A52.207.131.2402026-02-26 → 2026-07-15 · 2 obs
○ 2026-07-15 04:24:26
●A52.44.126.12026-07-15 → 2026-07-15 · 3 obs
● 2026-07-15 04:24:24
● 2026-07-15 04:24:26
○A54.173.43.1982026-02-26 → 2026-07-15 · 2 obs
○ 2026-07-15 04:24:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| icref.com | ns-387.awsdns-48.com, ns-928.awsdns-52.net, ns-1639.awsdns-12.co.uk, ns-1387.awsdns-45.org | 2 records |
✅ Authoritative Response
Server:205.251.195.160
NS records: ns-387.awsdns-48.com, ns-928.awsdns-52.net, ns-1639.awsdns-12.co.uk, ns-1387.awsdns-45.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for icref.com (unsigned zone)
⏱️ Timing
Total: 494ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 3.210.105.252, 52.44.126.1... |
| NS | 4 | ns-1387.awsdns-45.org, ns-1639.awsdns-12.co.uk... |
| MX | 1 | inbound-smtp.us-east-1.amazonaws.com (pr |
| TXT | 3 | amazonses:LvgskiDS+bb5WLShBr30owDN9yckmE, hkyndc6c36662b34cmnwmz0clfmwzcdg... |
| SOA | 1 | ns-928.awsdns-52.net awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-387.awsdns-48.com, ns-387.awsdns-48.com)
Analysis
Hierarchy
icref.com sits above relay.icref.com, antispam.icref.com and www.icref.com in the domain hierarchy.
IP Addresses
icref.com directs to three IP numbers: 3.210.105.252, 34.192.229.64 and 52.44.126.1.
Further host names like ec2-34-192-229-64.compute-1.amazonaws.com and ec2-52-44-126-1.compute-1.amazonaws.com overlap in IP numbers with icref.com.
Name Servers
The NS records for icref.com point to four name servers: ns-387.awsdns-48.com, ns-928.awsdns-52.net, ns-1387.awsdns-45.org and ns-1639.awsdns-12.co.uk.
There is at least partial name server overlap between icref.com and other domains — d3tczjahzdwl8n.cloudfront.net, marsalapropiedades.net, ef-one-pas.com and two more among them.
All four hostnames — ns-387.awsdns-48.com, ns-928.awsdns-52.net, ns-1387.awsdns-45.org and ns-1639.awsdns-12.co.uk — resolve to two IP numbers apiece: ns-387.awsdns-48.com to 205.251.193.131 and 2600:9000:5301:8300::1; ns-928.awsdns-52.net to 205.251.195.160 and 2600:9000:5303:a000::1; ns-1387.awsdns-45.org to 205.251.197.107 and 2600:9000:5305:6b00::1; ns-1639.awsdns-12.co.uk to 205.251.198.103 and 2600:9000:5306:6700::1.
Mail Servers
The sole mail server for icref.com is inbound-smtp.us-east-1.amazonaws.com.
Among the domains sharing a mail server setup with icref.com are mytech.us, williamhillteam.slack.com, vt-bt-20.dealer.com and two others.
There is at least a partial MX overlap between icref.com and other domains, including designair.com, icf-biosense.atlassian.net, informatica.atlassian.net and two others.
These mail servers often co-occur with the mail servers inbound-smtp.us-west-2.amazonaws.com.
inbound-smtp.us-east-1.amazonaws.com points to five IP addresses: 3.211.210.226, 44.206.9.87, 44.210.166.32 and two more.