criticalert.com - robtex.com
criticalert.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.148.248.143🇺🇸 EIG-29873207.148.248.0/24 | ||||||
| PTR | ip-207-148-248-143.defastlink.net | ||||||
| NS | ns.buydomains.com ⚠️ Not in zone NS records | ||||||
| A | 52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-26-87.compute-1.amazonaws.com | ||||||
| NS | this-domain-for-sale.com ⚠️ Not in zone NS records | ||||||
| A | 52.20.26.87🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-52-20-26-87.compute-1.amazonaws.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=1771291435 | ||||||
Same first word
criticalert.com |
DNS History
16 records (3 active, 13 former)
●NSns.buydomains.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 02:30:16
○NSns1.afternic.com2015-05-29 → 2015-05-29 · 3 obs
○ 2015-10-18 02:39:10
○ 2026-03-24 02:30:16
○NSns1.dsredirection.com2016-12-28 → 2016-12-28 · 3 obs
● 2016-12-28 07:28:26
○ 2026-03-24 02:30:16
○NSns1.sedoparking.com2015-10-18 → 2016-04-15 · 5 obs
● 2015-10-18 02:39:10
● 2016-04-15 02:41:58
○ 2016-12-28 07:28:26
○ 2026-03-24 02:30:16
○NSns2.dsredirection.com2016-12-28 → 2016-12-28 · 3 obs
● 2016-12-28 07:28:26
○ 2026-03-24 02:30:16
○NSns2.sedoparking.com2015-10-18 → 2016-04-15 · 5 obs
● 2015-10-18 02:39:10
● 2016-04-15 02:41:58
○ 2016-12-28 07:28:26
○ 2026-03-24 02:30:16
●NSthis-domain-for-sale.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 02:30:16
○MXmail.nickstel.com2015-10-18 → 2016-04-15 · 4 obs
● 2016-04-15 02:41:58
○ 2016-12-28 07:28:26
○ 2026-03-24 02:30:16
○A184.168.221.1042015-05-29 → 2015-05-29 · 3 obs
○ 2015-10-18 02:39:10
○ 2026-03-24 02:30:16
●A207.148.248.1432026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 02:30:16
○A208.73.210.2002016-12-28 → 2016-12-28 · 3 obs
● 2016-12-28 07:28:26
○ 2026-03-24 02:30:16
○A208.73.210.2142016-12-28 → 2016-12-28 · 3 obs
● 2016-12-28 07:28:26
○ 2026-03-24 02:30:16
○A208.73.210.2172016-12-28 → 2016-12-28 · 3 obs
● 2016-12-28 07:28:26
○ 2026-03-24 02:30:16
○A208.73.211.1782016-12-28 → 2016-12-28 · 3 obs
● 2016-12-28 07:28:26
○ 2026-03-24 02:30:16
○A72.52.4.912015-10-18 → 2016-04-15 · 5 obs
● 2015-10-18 02:39:10
● 2016-04-15 02:41:58
○ 2016-12-28 07:28:26
○ 2026-03-24 02:30:16
○PTRns1.dsredirection.com2016-12-28 → 2016-12-28 · 2 obs
○ 2026-03-24 02:30:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| criticalert.com | ns.buydomains.com, this-domain-for-sale.com | 2 records |
✅ Authoritative Response
Server:52.20.26.87
NS records: ns.buydomains.com, this-domain-for-sale.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for criticalert.com (unsigned zone)
⏱️ Timing
Total: 98ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.148.248.143 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)
Analysis
IP Addresses
criticalert.com resolves to a single IP address: 207.148.248.143.
Other host names including junctionplaza.com, wirklichkeit.com, hostmaster.emvi.net, macrocount.com and internationalcrime.com share IP numbers with criticalert.com.
Name Servers
criticalert.com's delegation uses two name servers, this-domain-for-sale.com and ns.buydomains.com.
criticalert.com shares the same name server setup as other domains, for example smslisten.com, marvelousmovie.com, tctd.org, mugrecipes.com and togethercoalition.com.
criticalert.com shares some name servers with other domains, such as bydomains.com, directtiling.com, implantlink.com and mobilerunway.com.
These name servers are often used together with ns2.buydomains.com.
Host names with a single IP:
- this-domain-for-sale.com points to 52.20.26.87
- ns.buydomains.com points to 52.20.26.87
Host names that point to 52.20.26.87: this-domain-for-sale.com and ns.buydomains.com