optionalfailure.com - robtex.com
optionalfailure.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=1774407527 | ||||||
Same first word
optionalfailure.com |
DNS History
7 records (7 active, 0 former)
●NSkyree.ns.cloudflare.com2026-03-04 → 2026-03-25 · 2 obs
● 2026-03-25 03:04:02
●NSsue.ns.cloudflare.com2026-03-04 → 2026-03-25 · 2 obs
● 2026-03-25 03:04:02
●MXoptionalfailure-com.mail.protection.outlook.com2026-03-04 → 2026-03-25 · 2 obs
● 2026-03-25 03:04:02
●A104.21.70.2402026-03-04 → 2026-03-25 · 2 obs
● 2026-03-25 03:04:02
●A172.67.140.1642026-03-04 → 2026-03-25 · 2 obs
● 2026-03-25 03:04:02
●A2606:4700:3030::6815:46f02026-03-04 → 2026-03-25 · 2 obs
● 2026-03-25 03:04:02
●A2606:4700:3031::ac43:8ca42026-03-04 → 2026-03-25 · 2 obs
● 2026-03-25 03:04:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net... | - |
| optionalfailure.com | sue.ns.cloudflare.com, kyree.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.145
NS records: sue.ns.cloudflare.com, kyree.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optionalfailure.com (unsigned zone)
⏱️ Timing
Total: 143ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.70.240, 172.67.140.164 |
| AAAA | 2 | 2606:4700:3030::6815:46f0, 2606:4700:3031::ac43:8ca4 |
| NS | 2 | kyree.ns.cloudflare.com, sue.ns.cloudflare.com |
| MX | 1 | optionalfailure-com.mail.protection.outl |
| TXT | 2 | MS=ms14822701, v=spf1 include:spf.protection.outlook.co |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | kyree.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (sue.ns.cloudflare.com, sue.ns.cloudflare.com, sue.ns.cloudflare.com...)
Analysis
IP Addresses
optionalfailure.com maps to four IP numbers: 2606:4700:3030::6815:46f0, 2606:4700:3031::ac43:8ca4, 104.21.70.240 and 172.67.140.164.
other host names include rybapp.com, www.bikestore-ostbahnhof.de, holysmokesbbq.us, www.newstrack.com and skiphotel.com; they share IP numbers with optionalfailure.com.
Name Servers
Two name servers kyree.ns.cloudflare.com and sue.ns.cloudflare.com handle the delegation for optionalfailure.com.
optionalfailure.com shares the same name server setup as other domains, for instance mpoi.net, helius-internal.com, techinusa.us, fxon.fr and leclix.com.
optionalfailure.com at least partially shares name servers with other domains, for instance (0x78766964656f73)s.website, flindershockey.org, mowofaiaoperationsltd.digital, toppharmacy.tk and holyblasphemy.net.
These name servers are commonly used with nile.ns.cloudflare.com and sky.ns.cloudflare.com.
Six IP addresses per host:
kyree.ns.cloudflare.com points to 2606:4700:58::a29f:2ccf, 2803:f800:50::6ca2:c3cf, 2a06:98c1:50::ac40:23cf, 108.162.195.207, 162.159.44.207 and 172.64.35.207; sue.ns.cloudflare.com points to 2606:4700:50::adf5:3a91, 2803:f800:50::6ca2:c091, 2a06:98c1:50::ac40:2091, 108.162.192.145, 172.64.32.145 and 173.245.58.145
Mail Servers
optionalfailure.com is handled by a single mail server, optionalfailure-com.mail.protection.outlook.com.
Hostname optionalfailure-com.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:c803::, 2a01:111:f403:c922::1, 2a01:111:f403:f902::1, 2a01:111:f403:f90b::, 52.101.41.0, 52.101.41.21, 52.101.41.24 and 52.101.194.19.