openoffer.org - robtex.com
openoffer.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.55.187.121🇺🇸 CODERO-DFW-AS216.55.187.0/24 | ||||||
| PTR | 216-55-187-121.dedicated.codero.net | ||||||
| NS | ns1.codero.com ⭐ | ||||||
| A | 18.209.216.105🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix | ||||||
| PTR | ec2-18-209-216-105.compute-1.amazonaws.com | ||||||
| NS | ns2.codero.com | ||||||
| A | 69.64.66.6🇺🇸 CODERO-DFW-AS69.64.66.0/24 | ||||||
| PTR | ns2.codero.com | ||||||
| MX | mail.openoffer.org ⭐ | ||||||
| A | 216.55.187.121🇺🇸 CODERO-DFW-AS216.55.187.0/24 | ||||||
| PTR | 216-55-187-121.dedicated.codero.net | ||||||
| TXT | v=spf1 a mx a: 216.55.187.121 a:mail.openoffer.org ~all | ||||||
| SOA | ns1.codero.comhostmaster@codero.com serial=2013260932 | ||||||
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=1774463436 | ||||||
Subdomains
mail.openoffer.org |
Same first word
DNS History
4 records (4 active, 0 former)
●NSns1.codero.com2015-08-12 → 2026-03-25 · 2 obs
● 2026-03-25 18:52:32
●NSns2.codero.com2015-08-12 → 2026-03-25 · 2 obs
● 2026-03-25 18:52:32
●MXmail.openoffer.org2015-08-12 → 2026-03-25 · 2 obs
● 2026-03-25 18:52:32
●A216.55.187.1212015-08-12 → 2026-03-25 · 2 obs
● 2026-03-25 18:52:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| openoffer.org | ns1.codero.com, ns2.codero.com | - |
✅ Authoritative Response
Server:18.209.216.105
NS records: ns1.codero.com, ns2.codero.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for openoffer.org (unsigned zone)
⏱️ Timing
Total: 3317ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.55.187.121 |
| NS | 2 | ns2.codero.com, ns1.codero.com |
| MX | 1 | mail.openoffer.org (pri: 10) |
| TXT | 1 | v=spf1 a mx a: 216.55.187.121 a:mail.ope |
| SOA | 1 | ns1.codero.com hostmaster.codero.com |
Analysis
Hierarchy
The parent of mail.openoffer.org is openoffer.org.
IP Addresses
openoffer.org points to a single IP: 216.55.187.121.
Other host names, such as mail.openoffer.org, share IP numbers with openoffer.org.
Name Servers
Two name servers ns1.codero.com and ns2.codero.com handle delegation for openoffer.org.
openoffer.org uses the same name server setup as other domains, for example emed.com.mx, locationswatch.com, antalyasightseeing.com, ultraflex4.com and luxurycruisesforless.com.
openoffer.org shares name servers with other domains at least partially, for instance d-c.us, feo.org.fj, lechers.us and cnmsupport.com.
Host names with one IP number: The host name ns1.codero.com points to 18.209.216.105 and the host name ns2.codero.com points to 69.64.66.6.
Mail Servers
openoffer.org is handled by a single mail server, mail.openoffer.org.
mail.openoffer.org points to a single IP: 216.55.187.121.