rtb.optappbid.com - robtex.com
rtb.optappbid.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.dnsimple.com ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:1804🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | ns1.dnsimple.com | ||||||
| A | 162.159.24.4Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.dnsimple.com | ||||||
| NS | ns2.dnsimple-edge.net | ||||||
| A | 2620:111:8005::53🇺🇸 AS327712620:111:8005::/48 Vultr Customer Route | ||||||
| A | 199.247.153.53🇺🇸 AS32771199.247.153.0/24 Vultr Customer Route | ||||||
| NS | ns3.dnsimple.com | ||||||
| A | 2400:cb00:2049:1::a29f:1a04🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | ns3.dnsimple.com | ||||||
| A | 162.159.26.4Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.dnsimple.com | ||||||
| NS | ns4.dnsimple-edge.org | ||||||
| A | 2620:111:8007::53🇺🇸 AS327712620:111:8007::/48 Vultr Customer Route | ||||||
| A | 199.247.155.53🇺🇸 AS32771199.247.155.0/24 Vultr Customer Route | ||||||
| SOA | ns1.dnsimple.comadmin@dnsimple.com serial=1775743613 | ||||||
optappbid.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.243.5🇺🇸 Amazon13.248.240.0/20 | ||||||
| A | 76.223.105.230🇺🇸 Amazon76.223.96.0/20 | ||||||
| NS | ns37.domaincontrol.com ⭐ | ||||||
| NS | ns38.domaincontrol.com | ||||||
| MX | mxa.mailgun.org ⭐ | ||||||
| MX | mxb.mailgun.org ⭐ | ||||||
| TXT | v=spf1 include:mailgun.org ~all | ||||||
| SOA | ns37.domaincontrol.comdns@jomax.net 2026-04-08 #1 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.dnsimple.com2026-04-11 → 2026-04-12 · 2 obs
● 2026-04-12 22:53:20
●NSns2.dnsimple-edge.net2026-04-11 → 2026-04-12 · 2 obs
● 2026-04-12 22:53:20
●NSns3.dnsimple.com2026-04-11 → 2026-04-12 · 2 obs
● 2026-04-12 22:53:20
●NSns4.dnsimple-edge.org2026-04-11 → 2026-04-12 · 2 obs
● 2026-04-12 22:53:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| optappbid.com | ns37.domaincontrol.com, ns38.domaincontrol.com | 4 records |
| rtb.optappbid.com | ns4.dnsimple-edge.org, ns3.dnsimple.com, ns2.dnsimple-edge.net, ns1.dnsimple.com | - |
✅ Authoritative Response
Server:162.159.24.4
NS records: ns4.dnsimple-edge.org, ns3.dnsimple.com, ns2.dnsimple-edge.net, ns1.dnsimple.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optappbid.com (unsigned zone)
⏱️ Timing
Total: 451ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1.dnsimple.com, ns2.dnsimple-edge.net... |
| SOA | 1 | ns1.dnsimple.com admin.dnsimple.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns37.domaincontrol.com, ns37.domaincontrol.com, ns38.domaincontrol.com...)
Analysis
Name Servers
rtb.optappbid.com is delegated to four name servers: ns1.dnsimple.com, ns3.dnsimple.com, ns2.dnsimple-edge.net and ns4.dnsimple-edge.org.
rtb.optappbid.com at least partially shares name servers with other domains, including replyemailautomator.com, yuso.it, tyre-shopper.co.uk, lockerapp.cloud and rightfilms.com.
These name servers are commonly used with ns2.dnsimple.com and ns4.dnsimple.com.
Hosts with two IP numbers:
Host ns1.dnsimple.com points to 2400:cb00:2049:1::a29f:1804 and 162.159.24.4
Host ns3.dnsimple.com points to 2400:cb00:2049:1::a29f:1a04 and 162.159.26.4
Host ns2.dnsimple-edge.net points to 2620:111:8005::53 and 199.247.153.53
Host ns4.dnsimple-edge.org points to 2620:111:8007::53 and 199.247.155.53